package service

import (
	"fmt"

	"github.com/gofiber/fiber/v2"
	"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
	publishBiz *biz.PublishBiz
}

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

	userImpl *impl.UserImpl,
	platImpl *impl.PlatImpl,
	publishBiz *biz.PublishBiz,
) *AppService {
	return &AppService{
		cfg:       cfg,
		tokenImpl: tokenImpl,

		userImpl:   userImpl,
		platImpl:   platImpl,
		publishBiz: publishBiz,
	}
}

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
	}

	return pkg.HandleResponse(c, fiber.Map{
		"access_token": accessToken,
		"user_limit":   tokenInfo.UserLimit,
		"expire_time":  tokenInfo.ExpireTime,
	})
}

func (a *AppService) GetUserAndAutoStatus(c *fiber.Ctx, req *entitys.GetUserAndAutoStatusRequest) error {
	tokenInfo, err := a.publishBiz.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 := manager.GetPublishManager(a.cfg, a.tokenImpl.GetDb())
	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.publishBiz.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, "")
	if err != nil {
		return err
	}

	for _, plat := range plats {
		loginRelation := &model.LoginRelation{
			UserIndex:   userIndex,
			PlatIndex:   plat.Index,
			LoginStatus: 2,
			Status:      1,
		}
		// 这里需要调用 loginRelationImpl 的 Add 方法
		_ = loginRelation
	}

	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
	// 这里简化处理
	err := a.userImpl.DeleteByKey(c.UserContext(), a.userImpl.PrimaryKey(), int64(req.ID))
	if err != nil {
		return err
	}
	return pkg.HandleResponse(c, fiber.Map{})
}

func (a *AppService) GetApp(c *fiber.Ctx, req *entitys.GetAppRequest) error {
	_, err := a.publishBiz.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{"login_relation.status": 1}).
		And(builder.Eq{"plat.status": 1})

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

	return pkg.HandleResponse(c, result)
}