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 MediaLoFiRepository struct {
	db *gorm.DB
}

func NewMediaLoFiRepository(db *gorm.DB) *MediaLoFiRepository {
	repo := &MediaLoFiRepository{db: db}
	return repo
}

func (repository *MediaLoFiRepository) FindAll(context context.Context) ([]models.MediaLoFi, error) {
	var lofis []models.MediaLoFi

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

	return lofis, nil
}

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

func (repository *MediaLoFiRepository) Add(context context.Context, url string) (*models.MediaLoFi, error) {
	slog.Info("MediaLoFiRepository#Add", "url", url)
	webLink := helpers.StripUrl(url, "v")
	var lofi models.MediaLoFi
	search_result := repository.db.Where("url = ?", webLink).First(&lofi)
	if search_result.RowsAffected > 0 {
		slog.Info("search for existing url", "result", search_result, "lofi", lofi)
		return &lofi, nil
	}
	if errors.Is(search_result.Error, gorm.ErrRecordNotFound) {
		slog.Info("MediaLoFiRepository#Add URL not found", "url", webLink)
		lofi = models.MediaLoFi{
			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(&lofi)
		if add_result.Error != nil {
			slog.Info("add new MediaLofi", "error", add_result.Error)
			return nil, add_result.Error
		}
		slog.Info("add new MediaLofi", "lofi", lofi)
		return &lofi, nil
	}
	if search_result.Error != nil {
		return nil, search_result.Error
	}
	return nil, fmt.Errorf("MediaLoFiRepository#Add unknown error")
}

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