package preferences

import (
	"context"
	"strings"

	"gorm.io/gorm"
	"stream.api/internal/database/model"
	"stream.api/pkg/logger"
)

type UpdateInput struct {
	EmailNotifications     *bool
	PushNotifications      *bool
	MarketingNotifications *bool
	TelegramNotifications  *bool
	Autoplay               *bool
	Loop                   *bool
	Muted                  *bool
	ShowControls           *bool
	Pip                    *bool
	Airplay                *bool
	Chromecast             *bool
	Language               *string
	Locale                 *string
}

func LoadUserPreferences(ctx context.Context, db *gorm.DB, userID string) (*model.UserPreference, error) {
	return model.FindOrCreateUserPreference(ctx, db, userID)
}

func UpdateUserPreferences(ctx context.Context, db *gorm.DB, l logger.Logger, userID string, req UpdateInput) (*model.UserPreference, error) {
	pref, err := model.FindOrCreateUserPreference(ctx, db, userID)
	if err != nil {
		l.Error("Failed to load preferences", "error", err)
		return nil, err
	}

	if req.EmailNotifications != nil {
		pref.EmailNotifications = model.BoolPtr(*req.EmailNotifications)
	}
	if req.PushNotifications != nil {
		pref.PushNotifications = model.BoolPtr(*req.PushNotifications)
	}
	if req.MarketingNotifications != nil {
		pref.MarketingNotifications = *req.MarketingNotifications
	}
	if req.TelegramNotifications != nil {
		pref.TelegramNotifications = *req.TelegramNotifications
	}
	if req.Autoplay != nil {
		pref.Autoplay = *req.Autoplay
	}
	if req.Loop != nil {
		pref.Loop = *req.Loop
	}
	if req.Muted != nil {
		pref.Muted = *req.Muted
	}
	if req.ShowControls != nil {
		pref.ShowControls = model.BoolPtr(*req.ShowControls)
	}
	if req.Pip != nil {
		pref.Pip = model.BoolPtr(*req.Pip)
	}
	if req.Airplay != nil {
		pref.Airplay = model.BoolPtr(*req.Airplay)
	}
	if req.Chromecast != nil {
		pref.Chromecast = model.BoolPtr(*req.Chromecast)
	}
	if req.Language != nil {
		pref.Language = model.StringPtr(strings.TrimSpace(*req.Language))
	}
	if req.Locale != nil {
		pref.Locale = model.StringPtr(strings.TrimSpace(*req.Locale))
	}
	if strings.TrimSpace(model.StringValue(pref.Language)) == "" {
		pref.Language = model.StringPtr("en")
	}
	if strings.TrimSpace(model.StringValue(pref.Locale)) == "" {
		pref.Locale = model.StringPtr(model.StringValue(pref.Language))
	}

	if err := db.WithContext(ctx).Save(pref).Error; err != nil {
		l.Error("Failed to save preferences", "error", err)
		return nil, err
	}

	return pref, nil
}