package service

import (
	"fmt"
	"github.com/gofiber/fiber/v2"
	"os"
	"path/filepath"
	"xorm.io/builder"

	"geo/internal/biz"
	"geo/internal/config"
	"geo/internal/data/impl"
	"geo/internal/data/model"
	"geo/internal/entitys"
	"geo/internal/manager"
	"geo/pkg"
	"geo/tmpl/errcode"
)

type AppService struct {
	cfg               *config.Config
	tokenImpl         *impl.TokenImpl
	userImpl          *impl.UserImpl
	platImpl          *impl.PlatImpl
	loginRelationImpl *impl.LoginRelationImpl
	publishBiz        *biz.PublishBiz
	authBiz           *biz.AuthBiz
	productBiz        *biz.ProductBiz
}

func NewAppService(
	cfg *config.Config,
	tokenImpl *impl.TokenImpl,

	userImpl *impl.UserImpl,
	platImpl *impl.PlatImpl,
	publishBiz *biz.PublishBiz,
	authBiz *biz.AuthBiz,
	loginRelationImpl *impl.LoginRelationImpl,
	productBiz *biz.ProductBiz,
) *AppService {
	return &AppService{
		cfg:               cfg,
		tokenImpl:         tokenImpl,
		loginRelationImpl: loginRelationImpl,
		userImpl:          userImpl,
		platImpl:          platImpl,
		publishBiz:        publishBiz,
		authBiz:           authBiz,
		productBiz:        productBiz,
	}
}

func (a *AppService) LoginApp(c *fiber.Ctx, req *entitys.LoginAppRequest) error {
	cond := builder.NewCond().
		And(builder.Eq{"secret": req.Secret}).
		And(builder.Eq{"status": 1})
	tokenInfo := &model.Token{}
	err := a.tokenImpl.GetOneBySearchStruct(c.UserContext(), &cond, tokenInfo)
	if err != nil || tokenInfo == nil {
		return errcode.Forbidden("密钥无效")
	}

	accessToken := pkg.GenerateUUID()
	err = a.tokenImpl.UpdateByKey(c.UserContext(), a.tokenImpl.PrimaryKey(), tokenInfo.ID, &model.Token{
		AccessToken: accessToken,
	})
	if err != nil {
		return err
	}
	a.publishBiz.Notify(&entitys.NotifyData{
		TokenId:   int(tokenInfo.ID),
		NotifyUrl: tokenInfo.Notifyurl,
		Type:      entitys.NotifyTypeToken,
		Status:    1,
		Msg:       accessToken,
	})
	return pkg.HandleResponse(c, fiber.Map{
		"access_token": accessToken,
		"user_limit":   tokenInfo.UserLimit,
		"expire_time":  tokenInfo.ExpireTime,
		"user_name":    tokenInfo.Name,
	})
}

func (a *AppService) GetUserAndAutoStatus(c *fiber.Ctx, req *entitys.GetUserAndAutoStatusRequest) error {
	tokenInfo, err := a.authBiz.ValidateAccessToken(c.UserContext(), req.AccessToken)
	if err != nil {
		return err
	}

	cond := builder.NewCond().
		And(builder.Eq{"token_id": tokenInfo.ID}).
		And(builder.Eq{"status": 1})
	users := make([]model.User, 0)
	_, err = a.userImpl.GetListToStruct(c.UserContext(), &cond, nil, &users, "id desc")
	if err != nil {
		return err
	}

	pm, err := manager.GetPublishManager(a.cfg, a.tokenImpl.GetDb(), a.publishBiz)
	if err != nil {
		return err
	}
	return pkg.HandleResponse(c, fiber.Map{
		"user":        users,
		"auto_status": pm.AutoStatus,
	})
}

func (a *AppService) AddUser(c *fiber.Ctx, req *entitys.AddUserRequest) error {
	tokenInfo, err := a.authBiz.ValidateAccessToken(c.UserContext(), req.AccessToken)
	if err != nil {
		return err
	}

	cond := builder.NewCond().
		And(builder.Eq{"token_id": tokenInfo.ID}).
		And(builder.Eq{"status": 1})
	userCount, err := a.userImpl.CountByCond(c.UserContext(), &cond)
	if err != nil {
		return err
	}

	if userCount >= int64(tokenInfo.UserLimit) {
		return errcode.ParamErr(fmt.Sprintf("用户已达上限(%d)", tokenInfo.UserLimit))
	}

	userIndex := pkg.GenerateUserIndex()
	err = a.userImpl.Add(c.UserContext(), &model.User{
		TokenID:   tokenInfo.ID,
		UserIndex: userIndex,
		Name:      req.Name,
		Status:    1,
	})
	if err != nil {
		return errcode.SqlErr(err)
	}

	// 获取平台列表并关联
	platCond := builder.NewCond().And(builder.Eq{"status": 1})
	plats := make([]model.Plat, 0)
	_, err = a.platImpl.GetListToStruct(c.UserContext(), &platCond, nil, &plats, "id desc")
	if err != nil {
		return err
	}
	loginRelations := make([]model.LoginRelation, 0, len(plats))
	for _, plat := range plats {
		loginRelations = append(loginRelations, model.LoginRelation{
			UserIndex:   userIndex,
			PlatIndex:   plat.Index,
			LoginStatus: 2,
			Status:      1,
		})

	}
	err = a.loginRelationImpl.Add(c.UserContext(), loginRelations)
	if err != nil {
		return err
	}
	return pkg.HandleResponse(c, fiber.Map{
		"user_name":  req.Name,
		"user_index": userIndex,
	})
}

func (a *AppService) DelUser(c *fiber.Ctx, req *entitys.DelUserRequest) error {
	// 需要从请求中获取 access_token
	_, err := a.authBiz.ValidateAccessToken(c.UserContext(), req.AccessToken)
	if err != nil {
		return err
	}
	// 这里简化处理
	err = a.userImpl.DeleteByKey(c.UserContext(), "user_index", req.UserIndex)
	if err != nil {
		return err
	}
	return pkg.HandleResponse(c, fiber.Map{})
}

func (a *AppService) GetApp(c *fiber.Ctx, req *entitys.GetAppRequest) error {
	_, err := a.authBiz.ValidateAccessToken(c.UserContext(), req.AccessToken)
	if err != nil {
		return err
	}

	cond := builder.NewCond().
		And(builder.Eq{"login_relation.user_index": req.UserIndex}).
		And(builder.Eq{"plat.status": 1})

	result, err := a.platImpl.GetPlatListWithLoginStatus(c.UserContext(), &cond)
	if err != nil {
		return err
	}

	return pkg.HandleResponse(c, result)
}

func (a *AppService) SendCookie(c *fiber.Ctx, req *entitys.SendCookieRequest) error {
	_, err := a.authBiz.ValidateAccessToken(c.UserContext(), req.AccessToken)
	if err != nil {
		return err
	}
	dir := filepath.Join(a.cfg.Sys.CookiesDir, req.UserIndex)
	cookieFile := filepath.Join(dir, req.PlatIndex+".json")
	os.WriteFile(cookieFile, []byte(req.CookieData), 0644)
	_, _ = a.productBiz.OssUpload(c.UserContext(), req.UserIndex, req.PlatIndex, []byte(req.CookieData))
	// 更新登录状态为未登录
	err = a.publishBiz.UpdateLoginStatus(c.UserContext(), req.UserIndex, req.PlatIndex, 1)
	if err != nil {
		return err
	}
	return nil
}

func (a *AppService) PlatList(c *fiber.Ctx, req *entitys.PlatListRequest) error {
	_, err := a.authBiz.ValidateAccessToken(c.UserContext(), req.AccessToken)
	if err != nil {
		return err
	}

	cond := builder.NewCond().
		And(builder.Eq{"status": 1})
	if req.PlatType != 0 {
		cond.And(builder.Eq{"plat_type": req.PlatType})
	}
	list, err := a.platImpl.GetRange(c.UserContext(), &cond)
	if err != nil {
		return err
	}
	return pkg.HandleResponse(c, list)
}