package handles

import (
	"github.com/alist-org/alist/v3/internal/conf"
	"github.com/alist-org/alist/v3/internal/model"
	"github.com/alist-org/alist/v3/internal/offline_download/tool"
	"github.com/alist-org/alist/v3/internal/op"
	"github.com/alist-org/alist/v3/server/common"
	"github.com/gin-gonic/gin"
	"github.com/xhofe/tache"
)

type SetAria2Req struct {
	Uri    string `json:"uri" form:"uri"`
	Secret string `json:"secret" form:"secret"`
}

func SetAria2(c *gin.Context) {
	var req SetAria2Req
	if err := c.ShouldBind(&req); err != nil {
		common.ErrorResp(c, err, 400)
		return
	}
	items := []model.SettingItem{
		{Key: conf.Aria2Uri, Value: req.Uri, Type: conf.TypeString, Group: model.OFFLINE_DOWNLOAD, Flag: model.PRIVATE},
		{Key: conf.Aria2Secret, Value: req.Secret, Type: conf.TypeString, Group: model.OFFLINE_DOWNLOAD, Flag: model.PRIVATE},
	}
	if err := op.SaveSettingItems(items); err != nil {
		common.ErrorResp(c, err, 500)
		return
	}
	_tool, err := tool.Tools.Get("aria2")
	version, err := _tool.Init()
	if err != nil {
		common.ErrorResp(c, err, 500)
		return
	}
	common.SuccessResp(c, version)
}

type SetQbittorrentReq struct {
	Url      string `json:"url" form:"url"`
	Seedtime string `json:"seedtime" form:"seedtime"`
}

func SetQbittorrent(c *gin.Context) {
	var req SetQbittorrentReq
	if err := c.ShouldBind(&req); err != nil {
		common.ErrorResp(c, err, 400)
		return
	}
	items := []model.SettingItem{
		{Key: conf.QbittorrentUrl, Value: req.Url, Type: conf.TypeString, Group: model.OFFLINE_DOWNLOAD, Flag: model.PRIVATE},
		{Key: conf.QbittorrentSeedtime, Value: req.Seedtime, Type: conf.TypeNumber, Group: model.OFFLINE_DOWNLOAD, Flag: model.PRIVATE},
	}
	if err := op.SaveSettingItems(items); err != nil {
		common.ErrorResp(c, err, 500)
		return
	}
	_tool, err := tool.Tools.Get("qBittorrent")
	if err != nil {
		common.ErrorResp(c, err, 500)
		return
	}
	if _, err := _tool.Init(); err != nil {
		common.ErrorResp(c, err, 500)
		return
	}
	common.SuccessResp(c, "ok")
}

func OfflineDownloadTools(c *gin.Context) {
	tools := tool.Tools.Names()
	common.SuccessResp(c, tools)
}

type AddOfflineDownloadReq struct {
	Urls         []string `json:"urls"`
	Path         string   `json:"path"`
	Tool         string   `json:"tool"`
	DeletePolicy string   `json:"delete_policy"`
}

func AddOfflineDownload(c *gin.Context) {
	user := c.MustGet("user").(*model.User)
	if !user.CanAddOfflineDownloadTasks() {
		common.ErrorStrResp(c, "permission denied", 403)
		return
	}

	var req AddOfflineDownloadReq
	if err := c.ShouldBind(&req); err != nil {
		common.ErrorResp(c, err, 400)
		return
	}
	reqPath, err := user.JoinPath(req.Path)
	if err != nil {
		common.ErrorResp(c, err, 403)
		return
	}
	var tasks []tache.TaskWithInfo
	for _, url := range req.Urls {
		t, err := tool.AddURL(c, &tool.AddURLArgs{
			URL:          url,
			DstDirPath:   reqPath,
			Tool:         req.Tool,
			DeletePolicy: tool.DeletePolicy(req.DeletePolicy),
		})
		if err != nil {
			common.ErrorResp(c, err, 500)
			return
		}
		tasks = append(tasks, t)
	}
	common.SuccessResp(c, gin.H{
		"tasks": getTaskInfos(tasks),
	})
}