package controllers

import (
	"net/http"
	"time"

	"fotbal-club/internal/services"

	"github.com/gin-gonic/gin"
)

type AdminWeatherController struct {
	weatherService *services.WeatherService
}

func NewAdminWeatherController(weatherService *services.WeatherService) *AdminWeatherController {
	return &AdminWeatherController{
		weatherService: weatherService,
	}
}

// GetWeather returns weather information for the club location
func (wc *AdminWeatherController) GetWeather(c *gin.Context) {
	// Get location from query parameter or use club location
	location := c.Query("location")

	weather, err := wc.weatherService.GetWeatherByLocation(location)
	if err != nil {
		c.JSON(http.StatusInternalServerError, gin.H{
			"error":   "Failed to fetch weather data",
			"details": err.Error(),
		})
		return
	}

	// Transform the response to include absolute icon URLs
	if weather.Current.Condition.Icon != "" {
		weather.Current.Condition.Icon = wc.weatherService.GetWeatherIconURL(weather.Current.Condition.Icon)
	}

	// Update forecast day icons
	for i := range weather.Forecast.ForecastDay {
		if weather.Forecast.ForecastDay[i].Day.Condition.Icon != "" {
			weather.Forecast.ForecastDay[i].Day.Condition.Icon = wc.weatherService.GetWeatherIconURL(weather.Forecast.ForecastDay[i].Day.Condition.Icon)
		}
		// Update hour icons
		for j := range weather.Forecast.ForecastDay[i].Hour {
			if weather.Forecast.ForecastDay[i].Hour[j].Condition.Icon != "" {
				weather.Forecast.ForecastDay[i].Hour[j].Condition.Icon = wc.weatherService.GetWeatherIconURL(weather.Forecast.ForecastDay[i].Hour[j].Condition.Icon)
			}
		}
	}

	c.JSON(http.StatusOK, weather)
}

// GetWeatherForClub returns weather for the configured club location
func (wc *AdminWeatherController) GetWeatherForClub(c *gin.Context) {
	weather, err := wc.weatherService.GetWeatherForClub()
	if err != nil {
		c.JSON(http.StatusInternalServerError, gin.H{
			"error":   "Failed to fetch weather data for club",
			"details": err.Error(),
		})
		return
	}

	// Transform the response to include absolute icon URLs
	if weather.Current.Condition.Icon != "" {
		weather.Current.Condition.Icon = wc.weatherService.GetWeatherIconURL(weather.Current.Condition.Icon)
	}

	// Update forecast day icons
	for i := range weather.Forecast.ForecastDay {
		if weather.Forecast.ForecastDay[i].Day.Condition.Icon != "" {
			weather.Forecast.ForecastDay[i].Day.Condition.Icon = wc.weatherService.GetWeatherIconURL(weather.Forecast.ForecastDay[i].Day.Condition.Icon)
		}
	}

	c.JSON(http.StatusOK, weather)
}

// GetWeatherForMatch returns weather forecast for a specific match time and location
func (wc *AdminWeatherController) GetWeatherForMatch(c *gin.Context) {
	// Get match datetime and location from query parameters
	matchDateTime := c.Query("match_datetime")
	location := c.Query("location")

	if matchDateTime == "" {
		c.JSON(http.StatusBadRequest, gin.H{
			"error": "match_datetime parameter is required",
		})
		return
	}

	weather, err := wc.weatherService.GetWeatherForMatch(matchDateTime, location)
	if err != nil {
		c.JSON(http.StatusInternalServerError, gin.H{
			"error":   "Failed to fetch weather data for match",
			"details": err.Error(),
		})
		return
	}

	// Transform the response to include absolute icon URLs
	if weather.Current.Condition.Icon != "" {
		weather.Current.Condition.Icon = wc.weatherService.GetWeatherIconURL(weather.Current.Condition.Icon)
	}

	// Update forecast day icons
	for i := range weather.Forecast.ForecastDay {
		if weather.Forecast.ForecastDay[i].Day.Condition.Icon != "" {
			weather.Forecast.ForecastDay[i].Day.Condition.Icon = wc.weatherService.GetWeatherIconURL(weather.Forecast.ForecastDay[i].Day.Condition.Icon)
		}
		// Update hour icons
		for j := range weather.Forecast.ForecastDay[i].Hour {
			if weather.Forecast.ForecastDay[i].Hour[j].Condition.Icon != "" {
				weather.Forecast.ForecastDay[i].Hour[j].Condition.Icon = wc.weatherService.GetWeatherIconURL(weather.Forecast.ForecastDay[i].Hour[j].Condition.Icon)
			}
		}
	}

	// Find the closest hourly forecast to the match time
	matchTime, err := time.Parse("2006-01-02T15:04:05", matchDateTime)
	if err != nil {
		// Try alternative format
		matchTime, err = time.Parse("2006-01-02 15:04:05", matchDateTime)
		if err != nil {
			c.JSON(http.StatusBadRequest, gin.H{
				"error": "Invalid match_datetime format",
			})
			return
		}
	}

	closestHour := wc.weatherService.FindClosestHourlyForecast(weather, matchTime)

	response := gin.H{
		"weather":      weather,
		"match_time":   matchDateTime,
		"closest_hour": closestHour,
	}

	c.JSON(http.StatusOK, response)
}