package models

import (
	"fmt"
	"kontor-api-gin/internal/helpers"
	"log/slog"
	"time"
)

type MediaLoFi struct {
	ID             string     `gorm:"type:string;primary_key;"  json:"id"`
	CreatedAt      time.Time  `gorm:"column:created_date"       json:"created_date"`
	UpdatedAt      time.Time  `gorm:"column:last_modified_date" json:"last_modified_date"`
	DeletedAt      *time.Time `gorm:"column:deleted_date"       json:"deleted_date"`
	Version        int        `gorm:"default:0"                 json:"version"`
	WebLink        string     `gorm:"column:url"                json:"url"`
	Review         bool       `gorm:"column:review"             json:"review"`
	ShouldDownload bool       `gorm:"column:should_download"    json:"should_download"`
	Title          string     `gorm:"size:300;column:title"     json:"title"`
	FileName       string     `gorm:"column:file_name"          json:"file_name"`
}

func (media_lofi *MediaLoFi) Update(update MediaLoFiDTO) {
	media_lofi.CreatedAt = update.CreatedAt.Time
	media_lofi.UpdatedAt = time.Now()
	media_lofi.Version = media_lofi.Version + 1
	media_lofi.WebLink = update.WebLink
	media_lofi.Review = update.Review
	media_lofi.ShouldDownload = update.ShouldDownload
	media_lofi.Title = update.Title
	media_lofi.FileName = update.FileName
}

func (media_lofi *MediaLoFi) TableName() string {
	return "media_lofi"
}

type MediaLofiAdd struct {
	Url string `json:"url"`
}

type MediaLoFiDTO struct {
	ID             string             `json:"id"                     binding:"required"`
	CreatedAt      helpers.KontorTime `json:"created_date"`
	UpdatedAt      helpers.KontorTime `json:"last_modified_date"`
	DeletedAt      *time.Time         `json:"deleted_date,omitempty"`
	Version        int                `json:"version"`
	FileName       string             `json:"file_name"`
	Review         bool               `json:"review"`
	ShouldDownload bool               `json:"should_download"`
	Title          string             `json:"title"`
	WebLink        string             `json:"url"`
}

type MediaLoFiDTOList []MediaLoFiDTO

func (source *MediaLoFiDTOList) CompareIds(target *MediaLoFiDTOList) (missing, obsolete []string) {
	sources := make(map[string]MediaLoFiDTO, len(*source))
	targets := make(map[string]MediaLoFiDTO, len(*target))
	for _, source := range *source {
		sources[source.ID] = source
	}
	for _, target := range *target {
		targets[target.ID] = target
	}
	// iterate source IDs
	for id := range sources {
		if _, ok := targets[id]; ok {
			slog.Debug(fmt.Sprintf("ID %s found in both lists", id))
		} else {
			missing = append(missing, id)
		}
	}
	for id := range targets {
		if _, ok := sources[id]; ok {
			slog.Debug(fmt.Sprintf("ID %s found in both lists", id))
		} else {
			obsolete = append(obsolete, id)
		}
	}
	slog.Info("CompareIds", "missing", len(missing), "obsolete", len(obsolete))
	slog.Debug("CompareIds", "missing", missing, "obsolete", obsolete)
	return missing, obsolete
}

func ConvertMediaLoFisToDtos(media_lofis []MediaLoFi) []MediaLoFiDTO {
	dtos := make([]MediaLoFiDTO, len(media_lofis))
	for i, media_lofi := range media_lofis {
		dtos[i] = MediaLoFiDTO{
			ID:             media_lofi.ID,
			CreatedAt:      helpers.KontorTime{Time: media_lofi.CreatedAt},
			UpdatedAt:      helpers.KontorTime{Time: media_lofi.UpdatedAt},
			DeletedAt:      media_lofi.DeletedAt,
			Version:        media_lofi.Version,
			WebLink:        media_lofi.WebLink,
			Review:         media_lofi.Review,
			ShouldDownload: media_lofi.ShouldDownload,
			Title:          media_lofi.Title,
			FileName:       media_lofi.FileName,
		}
	}
	return dtos
}