package repository

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

	"github.com/labstack/echo/v5"
	"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}
		err := repository.db.NewSelect().Model(&existing_item).Where("id = ?", dto.ID).Scan(context.Background())
		if err != nil {
			slog.Info("check existing id: not found - inserting")
			_, err := repository.db.NewInsert().Model(&model).Exec(context.Background())
			if err != nil {
				slog.Info("error during import", "error", err.Error())
			}
		} else {
			slog.Info("check existing id: found - updating")
			_, err := repository.db.NewUpdate().Model(&model).
				Set("updated_at = ? ", time.Now).
				Where("id = ?", model.ID).
				Exec(context.Background())
			if err != nil {
				slog.Info("error during updating", "error", err.Error())
			}
		}
	}
}

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

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

	err := repository.db.NewSelect().Model(&models).Scan(context)
	if err != nil {
		slog.Info(err.Error())
		return nil, echo.ErrInternalServerError
	}
	slog.Info("MailRepository#FindAll", "count", len(models))

	return models, nil
}

func (repository *MediaFileRepository) GetById(context context.Context, id string) (*models.MediaFile, error) {
	var model = models.MediaFile{ID: id}
	slog.Info("MediaFileRepository#GetById", "id", id)
	err := repository.db.NewSelect().Model(&model).Where("id = ?", id).Scan(context)
	if err != nil {
		slog.Info("AssignmentRepository#GetById", "error", err.Error())
		return nil, err
	}
	return &model, err
}

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
}