package main

import (
	"encoding/csv"
	"fmt"
	"github.com/manifoldco/promptui"
	"golang.org/x/text/encoding/simplifiedchinese"
	"golang.org/x/text/transform"
	"os"
	"strings"
)

func getCsvInfo(dir string) (dataMap []map[string]string, title []string, files []string) {
	fp := fmt.Sprintf("%s/%s/", dir, "csvfile")
	if _, err := os.Stat(fp); os.IsNotExist(err) {
		// 文件夹不存在，创建它
		err := os.Mkdir(fp, 0755) // 0755 是常见的目录权限
		if err != nil {
			fatal("无法创建目录 %s: %v", fp, err)
		}
	}
	entries, err := os.ReadDir(fp)
	if err != nil {
		fatal("获取文件目录失败 %s: %v", fp, err)
	}
	if len(entries) == 0 {
		warning("请将需导入文件放入%s目录下", fp)
		exit()
	}
	var csvFiles []string
	for _, entry := range entries {
		if !entry.IsDir() && strings.HasSuffix(strings.ToLower(entry.Name()), ".csv") {
			csvFiles = append(csvFiles, entry.Name())
		}
	}
	for {
		prompt := promptui.Select{
			Label: "请选择需要导入的csv文件: ",
			Items: append([]string{"全选", "导入非`已导入_`开头的文件"}, csvFiles...),
			Size:  len(csvFiles) + 2,
		}
		_, f, err := prompt.Run()
		if err != nil {
			warning("Prompt failed %v\n", err)
			continue
		}
		f = strings.TrimSpace(f)

		switch f {
		case "全选":
			for _, s := range csvFiles {
				files = append(files, fmt.Sprintf("%s%s", fp, s))
			}

		case "导入非`已导入_`开头的文件":
			for _, s := range csvFiles {
				if !strings.HasPrefix(s, "已导入_") {
					files = append(files, fmt.Sprintf("%s%s", fp, s))
				}
			}
		default:
			files = append(files, fmt.Sprintf("%s%s", fp, f))
		}
		break
	}
	if len(files) == 0 {
		warning("未找到符合条件的文件")
		finish(dir)
	}

	for _, v := range files {
		data, fileTitle := ReadCsvData(v)
		if title == nil {
			title = fileTitle
		}
		dataMap = append(dataMap, data...)
	}
	return dataMap, title, files
}

func ReadCsvData(fp string) (dataMap []map[string]string, title []string) {
	log("正在读取CSV文件，请稍等...")
	// 打开CSV文件
	file, err := os.Open(fp)
	if err != nil {
		fatal("无法打开文件: %v", err)
	}
	defer file.Close()
	decoder := simplifiedchinese.GBK.NewDecoder()
	// 创建CSV读取器
	reader := csv.NewReader(transform.NewReader(file, decoder))
	// 可选：设置更宽松的解析选项
	reader.LazyQuotes = true // 允许非引号包裹的字段中包含引号
	// 读取所有记录
	records, err := reader.ReadAll()
	if err != nil {
		fatal("读取CSV记录出错: %v", err)
	}
	if len(records) < 2 {
		fatal("CSV文件至少需要两行，第一行是标题，第二行是数据")
	}
	// 创建map来存储数据
	dataMap = make([]map[string]string, len(records))
	title = records[0]
	for i := 1; i < len(records); i++ {

		dataMap[i-1] = make(map[string]string)
		for j := 0; j < len(records[i]); j++ { // 假设第一列是唯一标识符
			dataMap[i-1][title[j]] = records[i][j]
		}
	}

	log("文件读取完毕")
	return
}

func desc(video *Video) {
	var d strings.Builder
	tip("描述信息，请输入一段描述文字，描述文字越多，生成视频越精彩。")
	input("请设置描述信息: ")
	text, _ := reader.ReadString('\n')
	d.WriteString(fmt.Sprintf("%s ", strings.TrimSpace(text)))
	d.WriteString("--watermark ")
	d.WriteString("false ")
	for {
		prompt := promptui.Select{
			Label: "分辨率: ",
			Items: []string{"480p", "720p"},
		}
		_, r, err := prompt.Run()
		if err != nil {
			warning("Prompt failed %v\n", err)
			continue
		}
		d.WriteString("--resolution ")
		d.WriteString(r)
		d.WriteString(" ")
		break
	}

	for {
		prompt := promptui.Select{
			Label: "视频时长(秒): ",
			Items: []string{"5", "10"},
		}
		_, r, err := prompt.Run()
		if err != nil {
			warning("Prompt failed %v\n", err)
			continue
		}
		d.WriteString("--dur ")
		d.WriteString(r)
		d.WriteString(" ")
		break
	}
	tip("adaptive：根据所上传图片的比例，自动选择最合适的宽高比。")
	for {
		prompt := promptui.Select{
			Label: "视频的宽高比例: ",
			Items: []string{"adaptive", "16:9", "9:16", "4:3", "3:4", "21:9", "9:21", "1:1"},
		}
		_, r, err := prompt.Run()
		if err != nil {
			warning("Prompt failed %v\n", err)
			continue
		}
		d.WriteString("--ratio ")
		d.WriteString(r)
		d.WriteString(" ")
		break
	}

	for {
		prompt := promptui.Select{
			Label: "帧率: ",
			Items: []string{"16", "24"},
		}
		_, r, err := prompt.Run()
		if err != nil {
			warning("Prompt failed %v\n", err)
			continue
		}
		d.WriteString("--framepersecond ")
		d.WriteString(r)
		d.WriteString(" ")
		break
	}

	for {
		prompt := promptui.Select{
			Label: "是否固定摄像头: ",
			Items: []string{"false", "true"},
		}
		_, r, err := prompt.Run()
		if err != nil {
			warning("Prompt failed %v\n", err)
			continue
		}
		d.WriteString("--camerafixed ")
		d.WriteString(r)
		d.WriteString(" ")
		break
	}
	video.Text = d.String()
}