package repository

import (
	"context"
	"errors"
	"fmt"
	"kontor-api-gin/internal/helpers"
	"kontor-api-gin/internal/models"
	"log/slog"
	"time"

	"github.com/google/uuid"
	"gorm.io/gorm"
)

type MediaMusicRepository struct {
	db *gorm.DB
}

func NewMediaMusicRepository(db *gorm.DB) *MediaMusicRepository {
	repo := &MediaMusicRepository{db: db}
	return repo
}

func (repository *MediaMusicRepository) FindAll(context context.Context) ([]models.MediaMusic, error) {
	var musics []models.MediaMusic

	result := repository.db.Find(&musics)
	slog.Info("MediaMusicRepository#FindAll", "count", result.RowsAffected)

	return musics, nil
}

func (repository *MediaMusicRepository) GetById(context context.Context, id string) (*models.MediaMusic, error) {
	var music = models.MediaMusic{ID: id}
	slog.Info("MediaMusicRepository#GetById", "id", id)
	result := repository.db.First(&music)
	if result.Error != nil {
		slog.Info("MediaMusicRepository#GetById", "error", result.Error.Error())
	}
	return &music, result.Error
}

func (repository *MediaMusicRepository) Add(context context.Context, url string) (*models.MediaMusic, error) {
	slog.Info("MediaMusicRepository#Add", "url", url)
	webLink := helpers.StripUrl(url, "v")
	var music models.MediaMusic
	search_result := repository.db.Where("url = ?", webLink).First(&music)
	if search_result.RowsAffected > 0 {
		slog.Info("search for existing url", "result", search_result, "music", music)
		return &music, nil
	}
	if errors.Is(search_result.Error, gorm.ErrRecordNotFound) {
		slog.Info("MediaMusicRepository#Add URL not found", "url", webLink)
		music = models.MediaMusic{
			ID:             uuid.NewString(),
			CreatedAt:      time.Now(),
			UpdatedAt:      time.Now(),
			DeletedAt:      nil,
			Version:        0,
			WebLink:        webLink,
			ShouldDownload: false,
			Review:         true,
			Title:          "",
			FileName:       "",
		}
		add_result := repository.db.Create(&music)
		if add_result.Error != nil {
			slog.Info("add new MediaMusic", "error", add_result.Error)
			return nil, add_result.Error
		}
		slog.Info("add new MediaMusic", "music", music)
		return &music, nil
	}
	if search_result.Error != nil {
		return nil, search_result.Error
	}
	return nil, fmt.Errorf("MediaMusicRepository#Add unknown error")
}

func (repository *MediaMusicRepository) Update(context context.Context, update models.MediaMusicDTO) (*models.MediaMusic, error) {
	slog.Info("MediaMusicRepository#Update", "music", update)
	var music = models.MediaMusic{ID: update.ID}
	slog.Info("MediaMusicRepository#Update", "id", update.ID)
	result := repository.db.First(&music)
	if result.Error != nil {
		slog.Info("MediaMusicRepository#Update", "error", result.Error.Error())
		return nil, result.Error
	}
	music.Update(update)
	repository.db.Save(&music)
	return &music, nil
}

func (repository *MediaMusicRepository) Delete(context context.Context, id string) error {
	var actor = models.MediaMusic{ID: id}
	slog.Info("MediaMusicRepository#Delete", "id", id)
	result := repository.db.Delete(&actor)
	if result.Error != nil {
		slog.Info("MediaMusicRepository#Delete", "error", result.Error.Error())
	}
	return result.Error
}