package main

import (
	"log"
	"os"
	"time"

	"github.com/trackeep/backend/config"
	"github.com/trackeep/backend/models"
	"golang.org/x/crypto/bcrypt"
)

// SeedData creates initial data for testing
func SeedData() {
	// Only seed data if demo mode is enabled
	if os.Getenv("VITE_DEMO_MODE") != "true" {
		log.Println("Demo mode disabled, skipping seed data")
		return
	}

	db := config.GetDB()
	if db == nil {
		log.Println("Database not initialized, skipping seed data")
		return
	}

	// Check if demo user already exists
	demoEmail := os.Getenv("VITE_DEMO_USER_EMAIL")
	if demoEmail == "" {
		demoEmail = "demo@trackeep.com"
	}

	var existingUser models.User
	if err := db.Where("email = ?", demoEmail).First(&existingUser).Error; err != nil {
		// Create demo user with proper password hashing
		hashedPassword, err := bcrypt.GenerateFromPassword([]byte("demo123"), bcrypt.DefaultCost)
		if err != nil {
			log.Printf("Failed to hash demo password: %v", err)
			return
		}

		user := models.User{
			Email:    demoEmail,
			Username: "demo",
			Password: string(hashedPassword),
			FullName: "Demo User",
			Role:     "admin", // Make demo user an admin for testing
			Theme:    "dark",
		}

		if err := db.Create(&user).Error; err != nil {
			log.Printf("Failed to create demo user: %v", err)
			return
		}
		existingUser = user
		log.Println("Created new demo user")
	} else {
		log.Println("Demo user already exists, creating demo data...")
	}

	// Create some demo tags
	tags := []models.Tag{
		{Name: "development", Color: "#39b9ff", UserID: existingUser.ID},
		{Name: "learning", Color: "#ff6b6b", UserID: existingUser.ID},
		{Name: "productivity", Color: "#51cf66", UserID: existingUser.ID},
		{Name: "golang", Color: "#845ef7", UserID: existingUser.ID},
		{Name: "javascript", Color: "#f76707", UserID: existingUser.ID},
		{Name: "documentation", Color: "#339af0", UserID: existingUser.ID},
		{Name: "tools", Color: "#20c997", UserID: existingUser.ID},
	}

	for _, tag := range tags {
		if err := db.Where("name = ? AND user_id = ?", tag.Name, tag.UserID).FirstOrCreate(&tag).Error; err != nil {
			log.Printf("Failed to create tag %s: %v", tag.Name, err)
		}
	}

	// Create some demo bookmarks
	bookmarks := []models.Bookmark{
		{
			UserID:      existingUser.ID,
			Title:       "Golang Official Documentation",
			URL:         "https://golang.org/doc/",
			Description: "Official Go programming language documentation",
			IsRead:      false,
			IsFavorite:  true,
		},
		{
			UserID:      existingUser.ID,
			Title:       "SolidJS Documentation",
			URL:         "https://www.solidjs.com/docs",
			Description: "Reactive JavaScript library documentation",
			IsRead:      true,
			IsFavorite:  false,
		},
		{
			UserID:      existingUser.ID,
			Title:       "Gin Web Framework",
			URL:         "https://gin-gonic.com/",
			Description: "HTTP web framework written in Go",
			IsRead:      false,
			IsFavorite:  true,
		},
		{
			UserID:      existingUser.ID,
			Title:       "GitHub",
			URL:         "https://github.com",
			Description: "Where the world builds software",
			IsRead:      false,
			IsFavorite:  true,
		},
		{
			UserID:      existingUser.ID,
			Title:       "Stack Overflow",
			URL:         "https://stackoverflow.com",
			Description: "Where developers learn, share, & build careers",
			IsRead:      true,
			IsFavorite:  false,
		},
	}

	for _, bookmark := range bookmarks {
		if err := db.Where("url = ? AND user_id = ?", bookmark.URL, bookmark.UserID).FirstOrCreate(&bookmark).Error; err != nil {
			log.Printf("Failed to create bookmark %s: %v", bookmark.Title, err)
		}
	}

	// Create some demo tasks
	tasks := []models.Task{
		{
			UserID:   existingUser.ID,
			Title:    "Complete Trackeep backend API",
			Status:   models.TaskStatusInProgress,
			Priority: models.TaskPriorityHigh,
			Progress: 75,
		},
		{
			UserID:   existingUser.ID,
			Title:    "Implement authentication system",
			Status:   models.TaskStatusCompleted,
			Priority: models.TaskPriorityHigh,
			Progress: 100,
		},
		{
			UserID:   existingUser.ID,
			Title:    "Add file upload functionality",
			Status:   models.TaskStatusPending,
			Priority: models.TaskPriorityMedium,
			Progress: 0,
		},
		{
			UserID:   existingUser.ID,
			Title:    "Write unit tests for API endpoints",
			Status:   models.TaskStatusPending,
			Priority: models.TaskPriorityLow,
			Progress: 0,
		},
		{
			UserID:   existingUser.ID,
			Title:    "Review and optimize database queries",
			Status:   models.TaskStatusPending,
			Priority: models.TaskPriorityMedium,
			Progress: 25,
		},
	}

	for _, task := range tasks {
		if err := db.Where("title = ? AND user_id = ?", task.Title, task.UserID).FirstOrCreate(&task).Error; err != nil {
			log.Printf("Failed to create task %s: %v", task.Title, err)
		}
	}

	// Create some demo notes
	notes := []models.Note{
		{
			UserID:      existingUser.ID,
			Title:       "Trackeep Project Notes",
			Content:     "# Trackeep Project\n\nA self-hosted productivity and knowledge hub built with Go backend and SolidJS frontend.\n\n## Features\n- Bookmark management\n- Task tracking\n- Note taking\n- File uploads\n- Authentication system",
			ContentType: "markdown",
			IsPinned:    true,
		},
		{
			UserID:      existingUser.ID,
			Title:       "API Design Principles",
			Content:     "## RESTful API Design\n\n- Use proper HTTP methods\n- Implement proper error handling\n- Add authentication and authorization\n- Provide clear documentation\n- Version the API",
			ContentType: "markdown",
			IsPinned:    false,
		},
		{
			UserID:      existingUser.ID,
			Title:       "Development Workflow",
			Content:     "## Git Workflow\n\n1. Create feature branch\n2. Make changes and commit\n3. Test thoroughly\n4. Create pull request\n5. Code review\n6. Merge to main",
			ContentType: "markdown",
			IsPinned:    false,
		},
	}

	for _, note := range notes {
		if err := db.Where("title = ? AND user_id = ?", note.Title, note.UserID).FirstOrCreate(&note).Error; err != nil {
			log.Printf("Failed to create note %s: %v", note.Title, err)
		}
	}

	// Create some demo time entries
	now := time.Now()
	timeEntries := []models.TimeEntry{
		{
			UserID:      existingUser.ID,
			Description: "Working on Trackeep backend API",
			StartTime:   now.Add(-2 * time.Hour),
			EndTime:     &[]time.Time{now.Add(-1 * time.Hour)}[0],
			Duration:    &[]int{3600}[0], // 1 hour
			Billable:    true,
			HourlyRate:  &[]float64{75.0}[0],
			IsRunning:   false,
			Source:      "manual",
		},
		{
			UserID:      existingUser.ID,
			Description: "Review and optimize database queries",
			StartTime:   now.Add(-4 * time.Hour),
			EndTime:     &[]time.Time{now.Add(-2 * time.Hour)}[0],
			Duration:    &[]int{7200}[0], // 2 hours
			Billable:    true,
			HourlyRate:  &[]float64{75.0}[0],
			IsRunning:   false,
			Source:      "manual",
		},
		{
			UserID:      existingUser.ID,
			Description: "Write unit tests for API endpoints",
			StartTime:   now.Add(-30 * time.Minute),
			Duration:    &[]int{1800}[0], // 30 minutes
			Billable:    false,
			IsRunning:   true,
			Source:      "manual",
		},
	}

	for _, timeEntry := range timeEntries {
		if err := db.Where("description = ? AND user_id = ?", timeEntry.Description, timeEntry.UserID).FirstOrCreate(&timeEntry).Error; err != nil {
			log.Printf("Failed to create time entry %s: %v", timeEntry.Description, err)
		}
	}

	// Create sample learning paths
	learningPaths := []models.LearningPath{
		{
			CreatorID:   existingUser.ID,
			Title:       "Complete Web Development with JavaScript",
			Description: "Learn modern web development from scratch with JavaScript, React, Node.js, and more.",
			Category:    "web-development",
			Difficulty:  "beginner",
			Duration:    "12 weeks",
			IsPublished: true,
			IsFeatured:  true,
			Thumbnail:   "/images/learning-paths/web-dev.jpg",
		},
		{
			CreatorID:   existingUser.ID,
			Title:       "Python for Data Science",
			Description: "Master Python programming and data science libraries like pandas, numpy, and scikit-learn.",
			Category:    "data-science",
			Difficulty:  "intermediate",
			Duration:    "8 weeks",
			IsPublished: true,
			IsFeatured:  true,
			Thumbnail:   "/images/learning-paths/python-data.jpg",
		},
		{
			CreatorID:   existingUser.ID,
			Title:       "Go Backend Development",
			Description: "Learn Go programming language and build scalable backend applications and APIs.",
			Category:    "programming",
			Difficulty:  "intermediate",
			Duration:    "10 weeks",
			IsPublished: true,
			IsFeatured:  false,
			Thumbnail:   "/images/learning-paths/go-backend.jpg",
		},
		{
			CreatorID:   existingUser.ID,
			Title:       "Cybersecurity Fundamentals",
			Description: "Introduction to cybersecurity concepts, ethical hacking, and security best practices.",
			Category:    "cybersecurity",
			Difficulty:  "beginner",
			Duration:    "6 weeks",
			IsPublished: true,
			IsFeatured:  false,
			Thumbnail:   "/images/learning-paths/cybersecurity.jpg",
		},
		{
			CreatorID:   existingUser.ID,
			Title:       "Mobile App Development with React Native",
			Description: "Build cross-platform mobile applications for iOS and Android using React Native.",
			Category:    "mobile-development",
			Difficulty:  "intermediate",
			Duration:    "8 weeks",
			IsPublished: true,
			IsFeatured:  false,
			Thumbnail:   "/images/learning-paths/react-native.jpg",
		},
		// Popular Programming Language Career Paths
		{
			CreatorID:   existingUser.ID,
			Title:       "JavaScript Mastery: From Basics to Advanced",
			Description: "Become a JavaScript expert covering ES6+, async programming, DOM manipulation, and modern frameworks.",
			Category:    "programming",
			Difficulty:  "beginner",
			Duration:    "10 weeks",
			IsPublished: true,
			IsFeatured:  true,
			Thumbnail:   "/images/learning-paths/javascript.jpg",
		},
		{
			CreatorID:   existingUser.ID,
			Title:       "TypeScript Professional Development",
			Description: "Master TypeScript for building type-safe applications with advanced patterns and best practices.",
			Category:    "programming",
			Difficulty:  "intermediate",
			Duration:    "6 weeks",
			IsPublished: true,
			IsFeatured:  true,
			Thumbnail:   "/images/learning-paths/typescript.jpg",
		},
		{
			CreatorID:   existingUser.ID,
			Title:       "Python Programming Complete Course",
			Description: "Learn Python from scratch with OOP, data structures, algorithms, and real-world applications.",
			Category:    "programming",
			Difficulty:  "beginner",
			Duration:    "12 weeks",
			IsPublished: true,
			IsFeatured:  true,
			Thumbnail:   "/images/learning-paths/python.jpg",
		},
		{
			CreatorID:   existingUser.ID,
			Title:       "Java Enterprise Development",
			Description: "Build enterprise applications with Java, Spring Boot, microservices, and cloud deployment.",
			Category:    "programming",
			Difficulty:  "intermediate",
			Duration:    "14 weeks",
			IsPublished: true,
			IsFeatured:  false,
			Thumbnail:   "/images/learning-paths/java.jpg",
		},
		{
			CreatorID:   existingUser.ID,
			Title:       "C# and .NET Development",
			Description: "Master C# programming and .NET framework for building Windows, web, and cloud applications.",
			Category:    "programming",
			Difficulty:  "intermediate",
			Duration:    "12 weeks",
			IsPublished: true,
			IsFeatured:  false,
			Thumbnail:   "/images/learning-paths/csharp.jpg",
		},
		{
			CreatorID:   existingUser.ID,
			Title:       "Rust Systems Programming",
			Description: "Learn Rust for systems programming, memory safety, and high-performance applications.",
			Category:    "programming",
			Difficulty:  "advanced",
			Duration:    "16 weeks",
			IsPublished: true,
			IsFeatured:  false,
			Thumbnail:   "/images/learning-paths/rust.jpg",
		},
		{
			CreatorID:   existingUser.ID,
			Title:       "C++ Game Development",
			Description: "Master C++ for game development with Unreal Engine, graphics programming, and performance optimization.",
			Category:    "programming",
			Difficulty:  "advanced",
			Duration:    "18 weeks",
			IsPublished: true,
			IsFeatured:  false,
			Thumbnail:   "/images/learning-paths/cpp.jpg",
		},
		{
			CreatorID:   existingUser.ID,
			Title:       "PHP Full-Stack Development",
			Description: "Build dynamic web applications with PHP, Laravel, MySQL, and modern frontend frameworks.",
			Category:    "programming",
			Difficulty:  "beginner",
			Duration:    "10 weeks",
			IsPublished: true,
			IsFeatured:  false,
			Thumbnail:   "/images/learning-paths/php.jpg",
		},
		{
			CreatorID:   existingUser.ID,
			Title:       "Ruby on Rails Development",
			Description: "Learn Ruby and Rails framework for rapid web application development with best practices.",
			Category:    "programming",
			Difficulty:  "intermediate",
			Duration:    "8 weeks",
			IsPublished: true,
			IsFeatured:  false,
			Thumbnail:   "/images/learning-paths/ruby.jpg",
		},
		{
			CreatorID:   existingUser.ID,
			Title:       "Swift iOS Development",
			Description: "Create native iOS applications with Swift, SwiftUI, and modern iOS development practices.",
			Category:    "mobile-development",
			Difficulty:  "intermediate",
			Duration:    "12 weeks",
			IsPublished: true,
			IsFeatured:  false,
			Thumbnail:   "/images/learning-paths/swift.jpg",
		},
		{
			CreatorID:   existingUser.ID,
			Title:       "Kotlin Android Development",
			Description: "Build modern Android applications with Kotlin, Jetpack Compose, and Android architecture patterns.",
			Category:    "mobile-development",
			Difficulty:  "intermediate",
			Duration:    "12 weeks",
			IsPublished: true,
			IsFeatured:  false,
			Thumbnail:   "/images/learning-paths/kotlin.jpg",
		},
		{
			CreatorID:   existingUser.ID,
			Title:       "SQL Database Mastery",
			Description: "Master SQL, database design, optimization, and advanced query techniques for data management.",
			Category:    "database",
			Difficulty:  "intermediate",
			Duration:    "8 weeks",
			IsPublished: true,
			IsFeatured:  false,
			Thumbnail:   "/images/learning-paths/sql.jpg",
		},
		{
			CreatorID:   existingUser.ID,
			Title:       "DevOps Engineering Career Path",
			Description: "Learn CI/CD, Docker, Kubernetes, cloud platforms, and infrastructure as code.",
			Category:    "devops",
			Difficulty:  "intermediate",
			Duration:    "12 weeks",
			IsPublished: true,
			IsFeatured:  false,
			Thumbnail:   "/images/learning-paths/devops.jpg",
		},
		// Advanced Cybersecurity Paths
		{
			CreatorID:   existingUser.ID,
			Title:       "Ethical Hacking and Penetration Testing",
			Description: "Master ethical hacking techniques, vulnerability assessment, and penetration testing methodologies.",
			Category:    "cybersecurity",
			Difficulty:  "advanced",
			Duration:    "16 weeks",
			IsPublished: true,
			IsFeatured:  true,
			Thumbnail:   "/images/learning-paths/ethical-hacking.jpg",
		},
		{
			CreatorID:   existingUser.ID,
			Title:       "Network Security and Defense",
			Description: "Learn network security, firewall configuration, intrusion detection, and security operations.",
			Category:    "cybersecurity",
			Difficulty:  "intermediate",
			Duration:    "12 weeks",
			IsPublished: true,
			IsFeatured:  false,
			Thumbnail:   "/images/learning-paths/network-security.jpg",
		},
		{
			CreatorID:   existingUser.ID,
			Title:       "Cloud Security Architecture",
			Description: "Master cloud security, AWS/Azure security services, compliance, and secure cloud architecture.",
			Category:    "cybersecurity",
			Difficulty:  "advanced",
			Duration:    "14 weeks",
			IsPublished: true,
			IsFeatured:  false,
			Thumbnail:   "/images/learning-paths/cloud-security.jpg",
		},
		{
			CreatorID:   existingUser.ID,
			Title:       "Digital Forensics and Incident Response",
			Description: "Learn digital forensics, incident response, malware analysis, and cybersecurity investigation.",
			Category:    "cybersecurity",
			Difficulty:  "advanced",
			Duration:    "18 weeks",
			IsPublished: true,
			IsFeatured:  false,
			Thumbnail:   "/images/learning-paths/digital-forensics.jpg",
		},
	}

	// Create ZTM Courses
	ztmCourses := []models.Course{
		// Programming Courses
		{
			Title:         "Complete Python Developer in 2026: Zero to Mastery",
			Description:   "Learn Python from scratch, get hired, and have fun along the way with the most up-to-date Python course on the web. Python is the entryway into the world of A.I., Cybersecurity, and many other high demand fields!",
			Slug:          "complete-python-developer-2026",
			URL:           "https://zerotomastery.io/courses/learn-python/",
			Thumbnail:     "https://images.ctfassets.net/aq13lwl6616q/2wqtcZLn5BirJ42EDfoair/95be1804195bb47acb392cec54eb551b/Complete_Python_Developer_Zero_to_Mastery.jpg",
			Instructor:    "Andrei Neagoie",
			Duration:      "32 Hours",
			LessonsCount:  346,
			Level:         "beginner",
			Category:      "programming",
			Price:         89.99,
			Rating:        4.7,
			StudentsCount: 250000,
			Prerequisites: []string{"Basic computer skills", "No programming experience required"},
			WhatYouLearn:  []string{"Python programming", "Data structures", "Algorithms", "OOP", "Web development with Python", "Automation"},
			Topics:        []string{"Python", "Programming", "Web Development", "Data Science", "Automation"},
			ToolsAndTech:  []string{"Python", "Django", "Flask", "NumPy", "Pandas", "Git"},
			IsZTMCourse:   true,
			IsActive:      true,
			IsFeatured:    true,
		},
		{
			Title:         "Master the Coding Interview: Data Structures + Algorithms",
			Description:   "The ultimate coding interview bootcamp to ace your coding interviews and land your dream job. Learn data structures & algorithms and the exact steps to take to get more interviews, more job offers, and a higher salary.",
			Slug:          "coding-interview-data-structures-algorithms",
			URL:           "https://zerotomastery.io/courses/learn-data-structures-and-algorithms/",
			Thumbnail:     "https://images.ctfassets.net/aq13lwl6616q/34oTrOaPCY3VKnubPKZCKv/a8eb7d89a56594d9d5acb91252b451b5/MTCI.png",
			Instructor:    "Andrei Neagoie",
			Duration:      "21 Hours",
			LessonsCount:  270,
			Level:         "intermediate",
			Category:      "programming",
			Price:         89.99,
			Rating:        4.8,
			StudentsCount: 180000,
			Prerequisites: []string{"Basic programming knowledge", "Understanding of basic data types"},
			WhatYouLearn:  []string{"Data structures", "Algorithms", "Problem solving", "Coding interviews", "Big O notation"},
			Topics:        []string{"Algorithms", "Data Structures", "Coding Interview", "Problem Solving"},
			ToolsAndTech:  []string{"Python", "JavaScript", "Data Structures", "Algorithms"},
			IsZTMCourse:   true,
			IsActive:      true,
			IsFeatured:    true,
		},
		{
			Title:         "Complete UI/UX Product Design Bootcamp: Zero to Mastery",
			Description:   "Go from beginner to hired as a UI/UX Designer this year! This is the only design bootcamp you need to learn and master web design, mobile design, Figma, UI & UX, and HTML + CSS.",
			Slug:          "ui-ux-product-design-bootcamp",
			URL:           "https://zerotomastery.io/courses/ui-ux-product-design-bootcamp/",
			Thumbnail:     "https://images.ctfassets.net/aq13lwl6616q/75XmCBS35kqsky2S2mtuoP/1f6b6aa94f921f14a833459d5ac8e82e/image.png",
			Instructor:    "Andrei Neagoie, Daniel Schifano",
			Duration:      "29 Hours",
			LessonsCount:  285,
			Level:         "beginner",
			Category:      "design",
			Price:         89.99,
			Rating:        4.6,
			StudentsCount: 95000,
			Prerequisites: []string{"No design experience required", "Computer with internet access"},
			WhatYouLearn:  []string{"UI Design", "UX Design", "Figma", "Web design", "Mobile design", "HTML & CSS"},
			Topics:        []string{"UI Design", "UX Design", "Figma", "Product Design", "Web Design"},
			ToolsAndTech:  []string{"Figma", "HTML", "CSS", "Adobe XD", "Sketch"},
			IsZTMCourse:   true,
			IsActive:      true,
			IsFeatured:    false,
		},
		{
			Title:         "Advanced Ethical Hacking Bootcamp: Network Hacking & Security",
			Description:   "Take your ethical hacking skills to the next level. Learn how to exploit network vulnerabilities, bypass security measures, and craft your own exploits from scratch in this advanced network hacking course.",
			Slug:          "advanced-ethical-hacking-bootcamp",
			URL:           "https://zerotomastery.io/courses/advanced-ethical-hacking/",
			Thumbnail:     "https://images.ctfassets.net/aq13lwl6616q/6pQ2cKjY6Lcus7FbiGjpNL/6ac6f5608a36aac3759e16b2edfff067/Course_Thumbnail_-_Advanced_Ethical_Hacking_-_final2.jpg",
			Instructor:    "Aleksa Tamburkovski",
			Duration:      "7.5 Hours",
			LessonsCount:  76,
			Level:         "advanced",
			Category:      "cybersecurity",
			Price:         89.99,
			Rating:        4.8,
			StudentsCount: 45000,
			Prerequisites: []string{"Basic networking knowledge", "Linux fundamentals", "Previous ethical hacking experience"},
			WhatYouLearn:  []string{"Advanced network hacking", "Exploit development", "Security bypassing", "Penetration testing"},
			Topics:        []string{"Ethical Hacking", "Network Security", "Penetration Testing", "Exploit Development"},
			ToolsAndTech:  []string{"Metasploit", "Nmap", "Wireshark", "Burp Suite", "Kali Linux"},
			IsZTMCourse:   true,
			IsActive:      true,
			IsFeatured:    true,
		},
		{
			Title:         "CompTIA Security+ Certification Bootcamp",
			Description:   "Go from complete beginner to acing the globally-recognized CompTIA Security+ certification exam. You'll learn the latest cybersecurity best practices, techniques, and tools.",
			Slug:          "comptia-security-certification-bootcamp",
			URL:           "https://zerotomastery.io/courses/security-plus-boot-camp/",
			Thumbnail:     "https://images.ctfassets.net/aq13lwl6616q/2rvchxj7ZN43q1oF6mOy8T/19361b3478be905a14145c1c7994f6e4/Course_Thumbnail_-_CompTIA_Security__-_Normal_2.png",
			Instructor:    "Aleksa Tamburkovski",
			Duration:      "9 Hours",
			LessonsCount:  91,
			Level:         "beginner",
			Category:      "cybersecurity",
			Price:         89.99,
			Rating:        4.7,
			StudentsCount: 62000,
			Prerequisites: []string{"Basic IT knowledge", "No cybersecurity experience required"},
			WhatYouLearn:  []string{"CompTIA Security+", "Cybersecurity fundamentals", "Network security", "Risk management"},
			Topics:        []string{"CompTIA Security+", "Cybersecurity", "Network Security", "Risk Management"},
			ToolsAndTech:  []string{"Security Tools", "Network Monitoring", "SIEM", "Firewall Configuration"},
			IsZTMCourse:   true,
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			Prerequisites: []string{"JavaScript knowledge", "TypeScript understanding", "Web development experience"},
			WhatYouLearn:  []string{"Angular", "Enterprise applications", "TypeScript", "Frontend frameworks", "Web development"},
			Topics:        []string{"Angular", "TypeScript", "Frontend", "Web Development", "Enterprise Apps"},
			ToolsAndTech:  []string{"Angular", "TypeScript", "RxJS", "Node.js", "Angular CLI"},
			IsZTMCourse:   true,
			IsActive:      true,
			IsFeatured:    true,
		},
		{
			Title:         "Complete Vue Developer [Pinia, Vitest]",
			Description:   "The only Vue.js tutorial + projects course you need to learn Vue (including all new Vue 3 features), build large-scale Vue applications from scratch, and get hired as a Vue Developer this year.",
			Slug:          "complete-vue-developer-pinia-vitest",
			URL:           "https://zerotomastery.io/courses/learn-vue-js/",
			Thumbnail:     "https://images.ctfassets.net/aq13lwl6616q/34oTrOaPCY3VKnubPKZCKv/a8eb7d89a56594d9d5acb91252b451b5/MTCI.png",
			Instructor:    "Luis Ramirez Jr, Andrei Neagoie",
			Duration:      "30 Days",
			LessonsCount:  200,
			Level:         "intermediate",
			Category:      "web-development",
			Price:         89.99,
			Rating:        4.9,
			StudentsCount: 40000,
			Prerequisites: []string{"JavaScript knowledge", "Understanding of web frameworks", "Frontend development experience"},
			WhatYouLearn:  []string{"Vue.js", "Vue 3", "Pinia", "Vitest", "Modern Vue development"},
			Topics:        []string{"Vue.js", "Frontend", "JavaScript", "Web Development", "Vue 3"},
			ToolsAndTech:  []string{"Vue.js", "Pinia", "Vitest", "JavaScript", "Vue Router"},
			IsZTMCourse:   true,
			IsActive:      true,
			IsFeatured:    true,
		},
		{
			Title:         "PHP Development Bootcamp: Zero to Mastery",
			Description:   "Learn modern PHP and become a better developer. This is the only PHP course you need to go from complete beginner to coding your own PHP applications and working with existing PHP applications.",
			Slug:          "php-development-bootcamp-zero-to-mastery",
			URL:           "https://zerotomastery.io/courses/learn-php-bootcamp/",
			Thumbnail:     "https://images.ctfassets.net/aq13lwl6616q/2n1XBWfwVs3XyltFQ6ECzA/7c77783335cddcd14b40121417520d51/Course_Thumbnail_-_Business_Intelligence_with_Excel_-_Academy_2.png",
			Instructor:    "Luis Ramirez Jr",
			Duration:      "42 Days",
			LessonsCount:  280,
			Level:         "beginner",
			Category:      "web-development",
			Price:         89.99,
			Rating:        4.9,
			StudentsCount: 35000,
			Prerequisites: []string{"Basic computer skills", "Understanding of web concepts", "No PHP experience required"},
			WhatYouLearn:  []string{"PHP programming", "Modern PHP", "Web development", "Backend development", "PHP applications"},
			Topics:        []string{"PHP", "Web Development", "Backend", "Programming", "Modern PHP"},
			ToolsAndTech:  []string{"PHP", "Composer", "MySQL", "Laravel concepts", "Web Servers"},
			IsZTMCourse:   true,
			IsActive:      true,
			IsFeatured:    true,
		},
		{
			Title:         "Web Security & Bug Bounty: Learn Penetration Testing",
			Description:   "Start a career or earn a side income by becoming a Bug Bounty Hunter. No previous experience needed, we teach you everything from scratch. Hack websites, fix vulnerabilities, improve web security, and much more. You'll learn penetration testing from the very beginning and master the most modern pentesting tools and best practices!",
			Slug:          "web-security-bug-bounty-penetration-testing",
			URL:           "https://zerotomastery.io/courses/learn-penetration-testing/",
			Thumbnail:     "https://images.ctfassets.net/aq13lwl6616q/6pQ2cKjY6Lcus7FbiGjpNL/6ac6f5608a36aac3759e16b2edfff067/Course_Thumbnail_-_Advanced_Ethical_Hacking_-_final2.jpg",
			Instructor:    "Aleksa Tamburkovski, Andrei Neagoie",
			Duration:      "22 Days",
			LessonsCount:  150,
			Level:         "intermediate",
			Category:      "cybersecurity",
			Price:         89.99,
			Rating:        4.9,
			StudentsCount: 25000,
			Prerequisites: []string{"Basic web knowledge", "Understanding of HTTP", "Security interest"},
			WhatYouLearn:  []string{"Penetration testing", "Bug bounty hunting", "Web security", "Vulnerability assessment", "Security tools"},
			Topics:        []string{"Penetration Testing", "Bug Bounty", "Web Security", "Cybersecurity", "Vulnerabilities"},
			ToolsAndTech:  []string{"Burp Suite", "Nmap", "OWASP Tools", "Security Testing", "Web Vulnerabilities"},
			IsZTMCourse:   true,
			IsActive:      true,
			IsFeatured:    true,
		},
		{
			Title:         "DevOps Bootcamp: Terraform",
			Description:   "Learn Terraform from scratch, from an industry expert. You'll learn Terraform fundamentals all the way to provisioning real-world cloud infrastructure on AWS so that you go from beginner to being able to get hired as a DevOps Engineer or System Administrator!",
			Slug:          "devops-bootcamp-terraform",
			URL:           "https://zerotomastery.io/courses/learn-terraform-certification/",
			Thumbnail:     "https://images.ctfassets.net/aq13lwl6616q/395iMiqbPBUPQGGEluVUXT/ca0636cf2e4f182c5f5821386bcd02ee/Academy_3_Course_Thumbnail_-_Bash_Programming.png",
			Instructor:    "Andrei Dumitrescu",
			Duration:      "20 Days",
			LessonsCount:  140,
			Level:         "intermediate",
			Category:      "devops",
			Price:         89.99,
			Rating:        4.9,
			StudentsCount: 30000,
			Prerequisites: []string{"Cloud computing basics", "Understanding of infrastructure", "DevOps interest"},
			WhatYouLearn:  []string{"Terraform", "Infrastructure as Code", "AWS", "Cloud provisioning", "DevOps automation"},
			Topics:        []string{"Terraform", "DevOps", "AWS", "Infrastructure as Code", "Cloud Computing"},
			ToolsAndTech:  []string{"Terraform", "AWS", "CloudFormation", "DevOps Tools", "Infrastructure"},
			IsZTMCourse:   true,
			IsActive:      true,
			IsFeatured:    true,
		},
		{
			Title:         "Dart: The Complete Developer's Guide",
			Description:   "Learn Dart programming in depth from an actual Google Developer Expert. This is the only Dart tutorial + projects course you need to learn Dart and build real-world applications from scratch. Go from zero To Dart Mastery.",
			Slug:          "dart-complete-developers-guide",
			URL:           "https://zerotomastery.io/courses/learn-dart/",
			Thumbnail:     "https://images.ctfassets.net/aq13lwl6616q/4ccXdWhFx7lsHuLhxN9SWB/ac1fa69b5f895b12b0345f382ef10ec7/Blue__49_.jpg",
			Instructor:    "Andrea Bizzotto",
			Duration:      "30 Days",
			LessonsCount:  180,
			Level:         "beginner",
			Category:      "programming",
			Price:         89.99,
			Rating:        4.9,
			StudentsCount: 20000,
			Prerequisites: []string{"Basic programming knowledge", "Understanding of programming concepts"},
			WhatYouLearn:  []string{"Dart programming", "Mobile development", "Flutter preparation", "Dart ecosystem", "Google Dart"},
			Topics:        []string{"Dart", "Programming", "Mobile Development", "Flutter", "Google Technologies"},
			ToolsAndTech:  []string{"Dart", "Flutter", "Dart SDK", "Mobile Development", "Programming"},
			IsZTMCourse:   true,
			IsActive:      true,
			IsFeatured:    true,
		},
		{
			Title:         "Flutter Bootcamp: Zero to Mastery",
			Description:   "Learn Flutter from scratch with an industry expert. You'll learn Flutter programming fundamentals all the way to advanced skills and reinforce your skills by building a Twitter clone. The only course you need to go from complete Flutter beginner to being able to deploy your own iOS and Android apps and get hired as a Flutter Developer!",
			Slug:          "flutter-bootcamp-zero-to-mastery",
			URL:           "https://zerotomastery.io/courses/flutter-bootcamp/",
			Thumbnail:     "https://images.ctfassets.net/aq13lwl6616q/75XmCBS35kqsky2S2mtuoP/1f6b6aa94f921f14a833459d5ac8e82e/image.png",
			Instructor:    "Tadas Petra",
			Duration:      "30 Days",
			LessonsCount:  200,
			Level:         "beginner",
			Category:      "mobile-development",
			Price:         89.99,
			Rating:        4.9,
			StudentsCount: 40000,
			Prerequisites: []string{"Basic programming knowledge", "Understanding of mobile concepts", "Dart knowledge helpful"},
			WhatYouLearn:  []string{"Flutter", "Mobile app development", "iOS development", "Android development", "Cross-platform apps"},
			Topics:        []string{"Flutter", "Mobile Development", "iOS", "Android", "Cross-Platform"},
			ToolsAndTech:  []string{"Flutter", "Dart", "Mobile SDKs", "iOS Development", "Android Development"},
			IsZTMCourse:   true,
			IsActive:      true,
			IsFeatured:    true,
		},
	}

	for _, course := range ztmCourses {
		if err := db.Where("slug = ?", course.Slug).FirstOrCreate(&course).Error; err != nil {
			log.Printf("Failed to create course %s: %v", course.Title, err)
		}
	}

	// Create Learning Path to Course mappings
	learningPathCourses := []models.LearningPathCourse{
		// Python Programming Path
		{LearningPathID: 3, CourseID: 1, Order: 1, IsRequired: true, Notes: "Start with Python fundamentals", EstimatedWeeks: 12},

		// JavaScript Mastery Path
		{LearningPathID: 1, CourseID: 2, Order: 1, IsRequired: true, Notes: "Essential for coding interviews and problem solving", EstimatedWeeks: 6},

		// TypeScript Professional Development Path
		{LearningPathID: 2, CourseID: 2, Order: 1, IsRequired: true, Notes: "TypeScript builds on JavaScript fundamentals", EstimatedWeeks: 4},
		{LearningPathID: 2, CourseID: 12, Order: 2, IsRequired: false, Notes: "Improve productivity with advanced text editing", EstimatedWeeks: 2},

		// Java Enterprise Development Path
		{LearningPathID: 4, CourseID: 2, Order: 1, IsRequired: true, Notes: "Data structures and algorithms essential for Java", EstimatedWeeks: 6},

		// C# and .NET Development Path
		{LearningPathID: 5, CourseID: 2, Order: 1, IsRequired: true, Notes: "Programming fundamentals for C#", EstimatedWeeks: 6},

		// Rust Systems Programming Path
		{LearningPathID: 6, CourseID: 2, Order: 1, IsRequired: true, Notes: "Advanced algorithms for systems programming", EstimatedWeeks: 8},

		// C++ Game Development Path
		{LearningPathID: 7, CourseID: 2, Order: 1, IsRequired: true, Notes: "Critical for game development optimization", EstimatedWeeks: 8},

		// SQL Database Mastery Path
		{LearningPathID: 12, CourseID: 7, Order: 1, IsRequired: true, Notes: "Excel skills complement database work", EstimatedWeeks: 4},
		{LearningPathID: 12, CourseID: 11, Order: 2, IsRequired: true, Notes: "Statistics for data analysis", EstimatedWeeks: 6},

		// DevOps Engineering Path
		{LearningPathID: 13, CourseID: 6, Order: 1, IsRequired: true, Notes: "Fundamental for DevOps automation", EstimatedWeeks: 6},
		{LearningPathID: 13, CourseID: 12, Order: 2, IsRequired: false, Notes: "Advanced text editing for DevOps", EstimatedWeeks: 2},

		// Ethical Hacking Path
		{LearningPathID: 14, CourseID: 4, Order: 1, IsRequired: true, Notes: "Advanced network hacking techniques", EstimatedWeeks: 4},
		{LearningPathID: 14, CourseID: 5, Order: 2, IsRequired: true, Notes: "Foundation certification for cybersecurity", EstimatedWeeks: 5},

		// Network Security Path
		{LearningPathID: 15, CourseID: 5, Order: 1, IsRequired: true, Notes: "Essential security certification", EstimatedWeeks: 5},
		{LearningPathID: 15, CourseID: 4, Order: 2, IsRequired: false, Notes: "Advanced techniques for network security", EstimatedWeeks: 4},

		// Cloud Security Path
		{LearningPathID: 16, CourseID: 5, Order: 1, IsRequired: true, Notes: "Security fundamentals for cloud", EstimatedWeeks: 5},
		{LearningPathID: 16, CourseID: 4, Order: 2, IsRequired: false, Notes: "Advanced security techniques", EstimatedWeeks: 4},

		// Digital Forensics Path
		{LearningPathID: 17, CourseID: 5, Order: 1, IsRequired: true, Notes: "Security foundation for forensics", EstimatedWeeks: 5},
	}

	for _, lpc := range learningPathCourses {
		if err := db.Where("learning_path_id = ? AND course_id = ?", lpc.LearningPathID, lpc.CourseID).FirstOrCreate(&lpc).Error; err != nil {
			log.Printf("Failed to create learning path course mapping: %v", err)
		}
	}

	for _, lp := range learningPaths {
		if err := db.Where("title = ? AND creator_id = ?", lp.Title, lp.CreatorID).FirstOrCreate(&lp).Error; err != nil {
			log.Printf("Failed to create learning path %s: %v", lp.Title, err)
		}
	}

	log.Println("Demo data seeded successfully")
}