package pikpak

import (
	"fmt"
	"github.com/Xhofe/alist/conf"
	"github.com/Xhofe/alist/drivers/base"
	"github.com/Xhofe/alist/model"
	"github.com/Xhofe/alist/utils"
	"github.com/gin-gonic/gin"
	log "github.com/sirupsen/logrus"
	"path/filepath"
)

type PikPak struct{}

func (driver PikPak) Config() base.DriverConfig {
	return base.DriverConfig{
		Name: "PikPak",
	}
}

func (driver PikPak) Items() []base.Item {
	return []base.Item{
		{
			Name:     "username",
			Label:    "username",
			Type:     base.TypeString,
			Required: true,
		},
		{
			Name:     "password",
			Label:    "password",
			Type:     base.TypeString,
			Required: true,
		},
		{
			Name:     "root_folder",
			Label:    "root folder id",
			Type:     base.TypeString,
			Required: false,
		},
	}
}

func (driver PikPak) Save(account *model.Account, old *model.Account) error {
	err := driver.Login(account)
	_ = model.SaveAccount(account)
	return err
}

func (driver PikPak) File(path string, account *model.Account) (*model.File, error) {
	path = utils.ParsePath(path)
	if path == "/" {
		return &model.File{
			Id:        account.RootFolder,
			Name:      account.Name,
			Size:      0,
			Type:      conf.FOLDER,
			Driver:    driver.Config().Name,
			UpdatedAt: account.UpdatedAt,
		}, nil
	}
	dir, name := filepath.Split(path)
	files, err := driver.Files(dir, account)
	if err != nil {
		return nil, err
	}
	for _, file := range files {
		if file.Name == name {
			return &file, nil
		}
	}
	return nil, base.ErrPathNotFound
}

func (driver PikPak) Files(path string, account *model.Account) ([]model.File, error) {
	path = utils.ParsePath(path)
	var files []model.File
	cache, err := base.GetCache(path, account)
	if err == nil {
		files, _ = cache.([]model.File)
	} else {
		file, err := driver.File(path, account)
		if err != nil {
			return nil, err
		}
		rawFiles, err := driver.GetFiles(file.Id, account)
		if err != nil {
			return nil, err
		}
		files = make([]model.File, 0)
		for _, file := range rawFiles {
			files = append(files, *driver.FormatFile(&file))
		}
		if len(files) > 0 {
			_ = base.SetCache(path, files, account)
		}
	}
	return files, nil
}

func (driver PikPak) Link(path string, account *model.Account) (*base.Link, error) {
	file, err := driver.File(path, account)
	if err != nil {
		return nil, err
	}
	var resp File
	_, err = driver.Request(fmt.Sprintf("https://api-drive.mypikpak.com/drive/v1/files/%s?_magic=2021&thumbnail_size=SIZE_LARGE", file.Id),
		base.Get, nil, nil, &resp, account)
	if err != nil {
		return nil, err
	}
	return &base.Link{
		Url: resp.WebContentLink,
	}, nil
}

func (driver PikPak) Path(path string, account *model.Account) (*model.File, []model.File, error) {
	path = utils.ParsePath(path)
	log.Debugf("pikpak path: %s", path)
	file, err := driver.File(path, account)
	if err != nil {
		return nil, nil, err
	}
	if !file.IsDir() {
		link, err := driver.Link(path, account)
		if err != nil {
			return nil, nil, err
		}
		file.Url = link.Url
		return file, nil, nil
	}
	files, err := driver.Files(path, account)
	if err != nil {
		return nil, nil, err
	}
	return nil, files, nil
}

func (driver PikPak) Proxy(c *gin.Context, account *model.Account) {

}

func (driver PikPak) Preview(path string, account *model.Account) (interface{}, error) {
	return nil, base.ErrNotSupport
}

func (driver PikPak) MakeDir(path string, account *model.Account) error {
	path = utils.ParsePath(path)
	dir, name := filepath.Split(path)
	parentFile, err := driver.File(dir, account)
	if err != nil {
		return err
	}
	if !parentFile.IsDir() {
		return base.ErrNotFolder
	}
	_, err = driver.Request("https://api-drive.mypikpak.com/drive/v1/files", base.Post, nil, &base.Json{
		"kind":      "drive#folder",
		"parent_id": parentFile.Id,
		"name":      name,
	}, nil, account)
	if err == nil {
		_ = base.DeleteCache(dir, account)
	}
	return err
}

func (driver PikPak) Move(src string, dst string, account *model.Account) error {
	srcDir, _ := filepath.Split(src)
	dstDir, dstName := filepath.Split(dst)
	srcFile, err := driver.File(src, account)
	if err != nil {
		return err
	}
	// rename
	if srcDir == dstDir {
		_, err = driver.Request("https://api-drive.mypikpak.com/drive/v1/files/"+srcFile.Id, base.Patch, nil, &base.Json{
			"name": dstName,
		}, nil, account)
	} else {
		// move
		dstDirFile, err := driver.File(dstDir, account)
		if err != nil {
			return err
		}
		_, err = driver.Request("https://api-drive.mypikpak.com/drive/v1/files:batchMove", base.Post, nil, &base.Json{
			"ids": []string{srcFile.Id},
			"to": base.Json{
				"parent_id": dstDirFile.Id,
			},
		}, nil, account)
	}
	if err == nil {
		_ = base.DeleteCache(srcDir, account)
		_ = base.DeleteCache(dstDir, account)
	}
	return err
}

func (driver PikPak) Copy(src string, dst string, account *model.Account) error {
	srcFile, err := driver.File(src, account)
	if err != nil {
		return err
	}
	dstDirFile, err := driver.File(utils.Dir(dst), account)
	if err != nil {
		return err
	}
	_, err = driver.Request("https://api-drive.mypikpak.com/drive/v1/files:batchCopy", base.Post, nil, &base.Json{
		"ids": []string{srcFile.Id},
		"to": base.Json{
			"parent_id": dstDirFile.Id,
		},
	}, nil, account)
	if err == nil {
		_ = base.DeleteCache(utils.Dir(dst), account)
	}
	return err
}

func (driver PikPak) Delete(path string, account *model.Account) error {
	file, err := driver.File(path, account)
	if err != nil {
		return err
	}
	_, err = driver.Request("https://api-drive.mypikpak.com/drive/v1/files:batchTrash", base.Post, nil, &base.Json{
		"ids": []string{file.Id},
	}, nil, account)
	if err == nil {
		_ = base.DeleteCache(utils.Dir(path), account)
	}
	return err
}

func (driver PikPak) Upload(file *model.FileStream, account *model.Account) error {
	return base.ErrNotImplement
}

var _ base.Driver = (*PikPak)(nil)