package models

import (
	"crypto/sha256"
	"fmt"
	"path/filepath"
)

type SkipScanInfo struct {
	/*
		这里的 UID 计算方式有两种:
		1. 电影，由电影的文件夹路径计算 sha256 得到，X:\电影\Three Thousand Years of Longing (2022)
		2. 连续剧，由连续剧的文件夹路径计算 sha256 得到，只能具体到一集（S01E01 这里是拼接出来的不是真正的文件名）
			X:\连续剧\绝命毒师S01E01
	*/
	UID  string `gorm:"type:varchar(64);primarykey"`
	Skip bool   `gorm:"type:bool;default:false"`
}

func NewSkipScanInfoByUID(uid string, skip bool) *SkipScanInfo {

	var skipScanInfo SkipScanInfo
	skipScanInfo.UID = uid
	skipScanInfo.Skip = skip

	return &skipScanInfo
}

func GenerateUID4Movie(movieFPath string) string {
	movieDirPath := filepath.Dir(movieFPath)
	fileUID := fmt.Sprintf("%x", sha256.Sum256([]byte(movieDirPath)))
	return fileUID
}

func GenerateUID4Series(seriesDirFPath string, season, eps int) string {

	mixInfo := fmt.Sprintf("%sS%02dE%02d", seriesDirFPath, season, eps)
	fileUID := fmt.Sprintf("%x", sha256.Sum256([]byte(mixInfo)))
	return fileUID
}

func NewSkipScanInfoByMovie(movieFPath string, skip bool) *SkipScanInfo {

	var skipScanInfo SkipScanInfo
	skipScanInfo.UID = GenerateUID4Movie(movieFPath)
	skipScanInfo.Skip = skip

	return &skipScanInfo
}

func NewSkipScanInfoBySeries(seriesDirFPath string, season, eps int, skip bool) *SkipScanInfo {

	var skipScanInfo SkipScanInfo
	skipScanInfo.UID = GenerateUID4Series(seriesDirFPath, season, eps)
	skipScanInfo.Skip = skip

	return &skipScanInfo
}