package models

import "time"

// Sweepstake represents a lottery/cup style competition with prizes
// Visible from start until end+3 days. Winners are selected at end.
type Sweepstake struct {
	BaseModel
	Title             string     `json:"title" gorm:"size:255;not null"`
	Description       string     `json:"description" gorm:"type:text"`
	ImageURL          string     `json:"image_url" gorm:"size:500"`
	RulesURL          string     `json:"rules_url" gorm:"size:500"`
	StartAt           time.Time  `json:"start_at" gorm:"not null;index"`
	EndAt             time.Time  `json:"end_at" gorm:"not null;index"`
	Status            string     `json:"status" gorm:"size:16;not null;default:'draft';index"` // draft|scheduled|active|locked|finalized|archived
	PickerStyle       string     `json:"picker_style" gorm:"size:16;not null;default:'wheel'"` // wheel|cycler
	TotalPrizes       int        `json:"total_prizes" gorm:"not null;default:1"`
	PrizeSummary      string     `json:"prize_summary" gorm:"type:text"`
	WinnersSelectedAt *time.Time `json:"winners_selected_at"`
	VisibilityUntil   *time.Time `json:"visibility_until"`
	DrawSeed          string     `json:"draw_seed" gorm:"size:64"`
	MaxEntriesPerUser int        `json:"max_entries_per_user" gorm:"not null;default:1"`

	Prizes  []SweepstakePrize  `json:"prizes" gorm:"foreignKey:SweepstakeID;constraint:OnDelete:CASCADE"`
	Entries []SweepstakeEntry  `json:"-" gorm:"foreignKey:SweepstakeID;constraint:OnDelete:CASCADE"`
	Winners []SweepstakeWinner `json:"-" gorm:"foreignKey:SweepstakeID;constraint:OnDelete:CASCADE"`
}

func (Sweepstake) TableName() string { return "sweepstakes" }

// SweepstakePrize defines a prize tier and quantity
type SweepstakePrize struct {
	BaseModel
	SweepstakeID uint   `json:"sweepstake_id" gorm:"index;not null"`
	Name         string `json:"name" gorm:"size:255;not null"`
	Description  string `json:"description" gorm:"type:text"`
	ImageURL     string `json:"image_url" gorm:"size:500"`
	Value        string `json:"value" gorm:"size:255"`
	Quantity     int    `json:"quantity" gorm:"not null;default:1"`
	DisplayOrder int    `json:"display_order" gorm:"not null;default:0"`
	Kind         string `json:"kind" gorm:"size:16;not null;default:'physical'"` // physical|points|xp|points_xp
	Points       int64  `json:"points" gorm:"not null;default:0"`
	XP           int64  `json:"xp" gorm:"not null;default:0"`
}

func (SweepstakePrize) TableName() string { return "sweepstake_prizes" }

// SweepstakeEntry is a user's participation record
type SweepstakeEntry struct {
	BaseModel
	SweepstakeID  uint       `json:"sweepstake_id" gorm:"index;not null"`
	UserID        uint       `json:"user_id" gorm:"index;not null"`
	Status        string     `json:"status" gorm:"size:16;not null;default:'valid';index"` // valid|invalid|withdrawn
	IPHash        string     `json:"ip_hash" gorm:"size:64"`
	VisualPlayedAt *time.Time `json:"visual_played_at"`
	ViewCount     int        `json:"view_count" gorm:"not null;default:0"`
}

func (SweepstakeEntry) TableName() string { return "sweepstake_entries" }

// SweepstakeWinner stores selected winners mapped to prizes
type SweepstakeWinner struct {
	BaseModel
	SweepstakeID   uint   `json:"sweepstake_id" gorm:"index;not null"`
	EntryID        uint   `json:"entry_id" gorm:"index;not null"`
	UserID         uint   `json:"user_id" gorm:"index;not null"`
	PrizeID        *uint  `json:"prize_id" gorm:"index"`
	PrizeName      string `json:"prize_name" gorm:"size:255"`
	AnnouncedAt    *time.Time `json:"announced_at"`
	NotifiedUserAt *time.Time `json:"notified_user_at"`
	NotifiedAdminAt *time.Time `json:"notified_admin_at"`
	ClaimStatus    string `json:"claim_status" gorm:"size:16;not null;default:'pending';index"` // pending|claimed|delivered
	ClaimNote      string `json:"claim_note" gorm:"type:text"`
	AwardedAt      *time.Time `json:"awarded_at"`
}

func (SweepstakeWinner) TableName() string { return "sweepstake_winners" }