package logic

import (
	"context"
	"strconv"

	"lone-services/pkg/modelbase"
	"lone-services/pkg/utils"
	"lone-services/pkg/validate"
	sale "lone-services/rpc/sale/pb"
	"lone-services/services/sale/internal/dao"
	"lone-services/services/sale/internal/model"
	"lone-services/services/sale/internal/svc"
	"lone-services/services/sale/validator"

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

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

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

func (l *CreateLogic) Create(in *sale.CreateReq) (*sale.Response, error) {
	var req validator.CreateValidator
	if msg := validate.ValidateFromProto(in, &req); msg != utils.StringEmpty {
		return outResponse(utils.ErrorParams, msg), nil
	}
	if msg := validateSaleTypeRules(req.Type, req.Account, req.BusinessLicense); msg != utils.StringEmpty {
		return outResponse(utils.ErrorParams, msg), nil
	}

	adminInfo := utils.GetUserFromCtx(l.ctx)
	if adminInfo.ID < utils.NumberOne {
		return failResponse(utils.ErrorNoLoginInfo), nil
	}

	identity, idErr := ensureSaleIdentity(l.ctx, l.svcCtx.UserSvcName, req.Mobile, req.Password)
	if idErr != nil {
		l.Errorf("sale ensure identity: %v", idErr)
		if msg, ok := userRPCError(idErr); ok {
			return outResponse(utils.Fail, msg), nil
		}
		return failResponse(utils.Fail), nil
	}
	if identity.GetUserId() < utils.NumberOne || identity.GetMobile() == utils.StringEmpty {
		return failResponse(utils.Fail), nil
	}

	m := model.SaleModel{}.Init()
	var existing dao.SaleStatusUpdate
	if err := m.GetOne(modelbase.Params{
		Eq: map[string]string{"user_id": strconv.FormatInt(identity.GetUserId(), utils.NumberTen)},
	}, &existing); err != nil {
		l.Errorf("sale create check user_id: %v", err)
		return failResponse(utils.Fail), nil
	}
	if existing.Id > utils.NumberZero {
		return failResponse(utils.ErrorDataIsExist), nil
	}

	names, nErr := fetchRegionNames(l.ctx, l.svcCtx.ChoreSvcName, req.TerritoryId, req.ProvinceId, req.CityId, req.DistrictId)
	if nErr != nil {
		l.Errorf("sale regions: %v", nErr)
		return failResponse(utils.Fail), nil
	}
	territoryName := names[req.TerritoryId]
	if territoryName == utils.StringEmpty {
		return outResponse(utils.ErrorParams, "请选择地域"), nil
	}
	province := names[req.ProvinceId]
	if province == utils.StringEmpty {
		return outResponse(utils.ErrorParams, "请选择省份"), nil
	}
	city := names[req.CityId]
	if city == utils.StringEmpty {
		return outResponse(utils.ErrorParams, "请选择城市"), nil
	}
	district := names[req.DistrictId]
	if district == utils.StringEmpty {
		return outResponse(utils.ErrorParams, "请选择区县"), nil
	}

	birthDate, bErr := utils.ParseDateOnly(req.BirthDate)
	if bErr != nil {
		return outResponse(utils.ErrorParams, "生日格式不正确"), nil
	}

	data := dao.SaleCreate{
		UserId:          identity.GetUserId(),
		SaleId:          req.SaleId,
		Mobile:          identity.GetMobile(),
		Name:            req.Name,
		IdCardFront:     req.IdCardFront,
		IdCardBack:      req.IdCardBack,
		BusinessLicense: req.BusinessLicense,
		Region:          buildRegion(province, city, district),
		ProvinceId:      req.ProvinceId,
		CityId:          req.CityId,
		DistrictId:      req.DistrictId,
		TerritoryId:     req.TerritoryId,
		TerritoryName:   territoryName,
		GroupId:         req.GroupId,
		Address:         req.Address,
		Status:          dao.SaleStatusEnabled,
		Account:         req.Account,
		Type:            uint8(req.Type),
		Sex:             uint8(req.Sex),
		BirthDate:       birthDate,
		AdminId:         adminInfo.ID,
		AdminName:       adminInfo.Name,
	}
	if err := m.Create(&data); err != nil {
		l.Errorf("sale create: %v", err)
		return failResponse(utils.Fail), nil
	}

	return okResponse(nil), nil
}