package logic

import (
	"context"
	"errors"
	"fmt"
	"member/gen_result/pb/member"
	"member/internal/domain"
	ers "member/internal/lib/error"
	"member/internal/model"
	"member/internal/svc"
	"member/internal/utils"
	"time"

	"github.com/go-sql-driver/mysql"
	"github.com/zeromicro/go-zero/core/logx"
)

type CreateUserAccountLogic struct {
	ctx    context.Context
	svcCtx *svc.ServiceContext
	logx.Logger
}

func NewCreateUserAccountLogic(ctx context.Context, svcCtx *svc.ServiceContext) *CreateUserAccountLogic {
	return &CreateUserAccountLogic{
		ctx:    ctx,
		svcCtx: svcCtx,
		Logger: logx.WithContext(ctx),
	}
}

type createLoginUserReq struct {
	LoginId  string `json:"login_id" validate:"account"`
	Platform int64  `json:"platform" validate:"required,oneof=1 2 3"`
	Token    string `json:"token" validate:"required"`
}

// HasPasswordFunc 這樣方便測試
var HasPasswordFunc = utils.HashPassword

// CreateUserAccount 建立帳號與密碼 -> 可登入，但可不可以做其他事情看業務流程，也可以只註冊就好
func (l *CreateUserAccountLogic) CreateUserAccount(in *member.CreateLoginUserReq) (*member.Response, error) {
	// 驗證資料
	if err := l.svcCtx.Validate.ValidateAll(&createLoginUserReq{
		LoginId:  in.GetLoginId(),
		Platform: in.GetPlatform(),
		Token:    in.GetToken(),
	}); err != nil {
		return nil, ers.InvalidFormat(err.Error())
	}

	token, err := HasPasswordFunc(in.GetToken(), l.svcCtx.Config.Bcrypt.Cost)
	if err != nil {
		return nil, ers.ArkInternal(fmt.Sprintf("failed to encrypt err: %v", err.Error()))
	}

	// 新增進去
	now := time.Now().UTC().Unix()
	_, err = l.svcCtx.AccountModel.Insert(l.ctx, &model.Account{
		Account:    in.LoginId,
		Token:      token,
		Platform:   in.Platform,
		CreateTime: now,
		UpdateTime: now,
	})
	if err != nil {
		// 新增進去
		var mysqlErr *mysql.MySQLError
		if errors.As(err, &mysqlErr) && mysqlErr.Number == 1062 {
			// 處理重複條目錯誤
			return nil, ers.DBDuplicate(in.LoginId)
		}

		return nil, ers.DBError(err.Error())
	}

	return &member.Response{
		Status: &member.BaseResp{
			Code:    domain.CodeOk.ToString(),
			Message: "success",
			Error:   "",
		},
	}, nil
}