package repository

import (
	"context"
	"fmt"
	"kontor-api-echo/internal/models"
	"log/slog"

	"github.com/uptrace/bun"
)

type MediaFileRepository struct {
	db *bun.DB
}

func (repository *MediaFileRepository) Import(dtos models.MediaFileDTOList) {
	slog.Info("MediaFileRepository#Import")
	for index, dto := range dtos {
		slog.Info("importing", "index", index, "video", dto)
		model := dto.ConvertDTOToModel()
		existing_item := models.MediaFile{ID: dto.ID}
		result_existing := repository.db.First(&existing_item)
		if result_existing.Error != nil {
			slog.Info("check existing id: not found - inserting")
			result := repository.db.Create(&model)
			if result.Error != nil {
				slog.Info("error during import", "error", result.Error.Error())
			}
		} else {
			slog.Info("check existing id: found - updating")
			result := repository.db.Save(&model)
			if result.Error != nil {
				slog.Info("error during updating", "error", result.Error.Error())
			}
		}
	}
}

func NewMediaFileRepository(db *bun.DB) *MediaFileRepository {
	repo := &MediaFileRepository{db: db}
	return repo
}

func (repository *MediaFileRepository) FindAll(context context.Context) ([]models.MediaFile, error) {
	var files []models.MediaFile

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

	return files, nil
}

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

func (repository *MediaFileRepository) Add(context context.Context, url string) (*models.MediaFile, error) {
	slog.Info("MediaFileRepository#Add", "url", url)
	return nil, fmt.Errorf("unimplemented method MediaFileRepository#Add")
}

func (repository *MediaFileRepository) Delete(context context.Context, id string) error {
	slog.Info("MediaFileRepository#Delete", "id", id)
	_, err := repository.db.NewDelete().Model((*models.MediaFile)(nil)).Where("id = ?", id).Exec(context)
	if err != nil {
		slog.Info("MediaFileRepository#Delete", "error", err.Error())
	}
	return err
}