package main

import (
	"bufio"
	"context"
	"github.com/manifoldco/promptui"
	"time"

	"encoding/json"
	"fmt"
	"github.com/common-nighthawk/go-figure"
	"github.com/volcengine/volcengine-go-sdk/service/arkruntime"
	"github.com/volcengine/volcengine-go-sdk/service/arkruntime/model"
	"github.com/volcengine/volcengine-go-sdk/volcengine"

	"os"
	"strings"
)

var (
	reader = bufio.NewReader(os.Stdin)
)

var statusMap = map[string]string{
	"queued":    "排队中",
	"running":   "任务运行中",
	"cancelled": "取消任务",
	"succeeded": "任务成功",
	"failed":    "任务失败",
}

type Conf struct {
	Key   string `json:"key"`
	Model string `json:"model"`
}

type Video struct {
	Url  string `json:"url"`
	Text string `json:"text"`
}

func setVideoInfo() *Video {
	var video = new(Video)
	img(video)
	desc(video)
	return video
}

var c *Conf

func main() {

	log("正在读取配置。。。")
	c = getConf()
	success("读取配置成功！请务必保证网络通畅")
	client := arkruntime.NewClientWithApiKey(c.Key)
	video := setVideoInfo()
	//finish(client, video)
	do(client, c, video)
}

func do(client *arkruntime.Client, c *Conf, video *Video) {
	ctx := context.Background()
	createReq := model.CreateContentGenerationTaskRequest{
		Model: c.Model,
		Content: []*model.CreateContentGenerationContentItem{
			{
				// 文本提示词与参数组合
				Type: model.ContentGenerationContentItemTypeText,
				Text: volcengine.String(video.Text),
			},
			{
				// 图片URL
				Type: model.ContentGenerationContentItemTypeImage,
				ImageURL: &model.ImageURL{
					URL: video.Url, //请上传可以访问的图片URL
				},
			},
		},
	}

	createResponse, err := client.CreateContentGenerationTask(ctx, createReq)
	if err != nil {
		warning("创建视频失败: %v", err)
		return
	}
	success("视频正在制作中,请稍后，taskId: %s", createResponse.ID)
	listenTask(ctx, client, createResponse.ID, video)
}

func listenTask(ctx context.Context, client *arkruntime.Client, taskId string, video *Video) {
	var (
		req = model.GetContentGenerationTaskRequest{taskId}
	)
	for {
		time.Sleep(time.Second * 1)
		resp, err := client.GetContentGenerationTask(ctx, req)
		if err != nil {
			warning("获取视频信息失败: %v", err)
			continue
		}
		log(statusMap[resp.Status])
		if resp.Status == "succeeded" {
			tip("本次消耗token: %d\n", resp.Usage.TotalTokens)
			success("请复制下面地址到浏览器进行下载：\n")
			fmt.Println(resp.Content.VideoURL)
			finish(client, video)
		}
	}
}

func finish(client *arkruntime.Client, video *Video) {
	prompt := promptui.Select{
		Label: "",
		Items: []string{"退出", "重新生成", "修改设置重新生成"},
	}
	_, r, err := prompt.Run()
	if err != nil {
		warning("Prompt failed %v\n", err)
		return
	}
	switch r {
	case "退出":
		prompt1 := promptui.Select{
			Label: "是否退出",
			Items: []string{"否", "是"},
		}
		_, q, _err := prompt1.Run()
		if _err != nil {
			warning("Prompt failed %v\n", err)
			return
		}
		if q == "是" {
			tip("最后祝您身体健康，再见")
			exit()
		} else {
			finish(client, video)
		}

	case "重新生成":
		do(client, c, video)
	case "修改设置重新生成":
		video = setVideoInfo()
		do(client, c, video)
	}
}

func getConf() *Conf {
	wd, err := os.Getwd()
	fp := fmt.Sprintf("%s/%s", wd, "ex_pic_to_video_conf")
	if err != nil {
		fatal("获取当前路径失败")
		exit()
	}
	file, err := os.Open(fp)
	if err != nil {
		if !os.IsNotExist(err) {
			os.Remove(fp)
		}
		return cConf(fp)
	}
	defer file.Close()
	content, err := os.ReadFile(fp)
	if err != nil {
		fatal("获取配置信息失败")
		exit()
	}

	var (
		pwd  string
		conf = new(Conf)
	)
	for {
		input("请输入访问密码: ")
		pwd, _ = reader.ReadString('\n')
		cjson, err := decrypt([]byte(padToLength(strings.TrimSpace(pwd), 16, ' ')), string(content))
		if err != nil {
			warning("密码错误")
			continue
		}
		err = json.Unmarshal([]byte(cjson), &conf)
		if err != nil {
			warning("配置读取失败")
		}
		break
	}
	return conf
}

func cConf(fp string) *Conf {
	conf := new(Conf)
	log("进入初始化配置向导")
	log("----------------------")

	input("请设置key: ")
	k, _ := reader.ReadString('\n')
	conf.Key = strings.TrimSpace(k)
	if conf.Key == "lsxd2025" {
		conf.Key = ""
		conf.Model = ""
		myFigure := figure.NewFigure("LSXD", "", true)
		myFigure.Print()
		success("欢迎进入调试模式！")
		return conf
	}

	input("请设置model: ")
	m, _ := reader.ReadString('\n')
	conf.Model = strings.TrimSpace(m)

	var (
		pwd string
	)
	for {
		input("请设置访问密码(密码长度请小于16位): ")
		pwd, _ = reader.ReadString('\n')
		if len(strings.TrimSpace(pwd)) > 16 {
			warning("密码长度请小于16位")
			continue
		}
		break
	}
	cjson, _ := json.Marshal(conf)
	pad := padToLength(strings.TrimSpace(pwd), 16, ' ')
	en, e := encrypt([]byte(pad), string(cjson))
	if e != nil {
		fatal("设置失败，程序退出:%v", e)
		exit()
	}
	if err := os.WriteFile(fp, []byte(en), 0666); err != nil {
		fatal("写入失败，程序退出")
		exit()
	}
	return conf
}

func exit() {
	os.Exit(1)
}