package analysisadminlogic

import (
	"context"

	"lone-services/pkg/modelbase"
	"lone-services/pkg/utils"
	"lone-services/pkg/validate"
	analysis "lone-services/rpc/analysis/pb"
	userpb "lone-services/rpc/user/pb"
	"lone-services/services/analysis/internal/dao"
	"lone-services/services/analysis/internal/logic/common"
	"lone-services/services/analysis/internal/model"
	"lone-services/services/analysis/internal/svc"
	"lone-services/services/analysis/validator"

	"github.com/zeromicro/go-zero/core/logx"
	"google.golang.org/grpc/codes"
	"google.golang.org/grpc/status"
)

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

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

func (l *UserListLogic) UserList(in *analysis.AdminUserListReq) (*analysis.Response, error) {
	var req validator.AdminUserListValidator
	if msg := validate.ValidateFromProto(in, &req); msg != utils.StringEmpty {
		return outParams(msg), nil
	}
	if _, fail := common.RequireAdmin(l.ctx); fail != nil {
		return fail, nil
	}

	params := modelbase.Params{
		Order: "id desc",
		Page:  int(req.Page),
		Size:  int(req.Size),
	}

	if req.Keyword != utils.StringEmpty {
		bizIds, err := l.filterBizIds(req.Keyword)
		if err != nil {
			l.Errorf("admin user list filter: %v", err)
			return common.FailResponse(utils.Fail), nil
		}
		if len(bizIds) == utils.NumberZero {
			return common.OkResponse(modelbase.PageResult{Items: []dao.AdminUserListItem{}}), nil
		}
		params.In = map[string][]string{"id": idStrings(bizIds)}
	}

	var users []dao.User
	page, err := model.UserModel{}.Init().Page(params, &users)
	if err != nil {
		l.Errorf("admin user list page: %v", err)
		return common.FailResponse(utils.Fail), nil
	}
	if len(users) == utils.NumberZero {
		page.Items = []dao.AdminUserListItem{}
		return common.OkResponse(page), nil
	}

	pageIds := make([]int64, 0, len(users))
	for _, row := range users {
		pageIds = append(pageIds, row.Id)
	}

	profiles, err := l.loadProfiles(pageIds)
	if err != nil {
		l.Errorf("admin user list profiles: %v", err)
		return common.FailResponse(utils.Fail), nil
	}
	logs, err := loadImageLogs(pageIds)
	if err != nil {
		l.Errorf("admin user list logs: %v", err)
		return common.FailResponse(utils.Fail), nil
	}

	items := make([]dao.AdminUserListItem, 0, len(users))
	for _, row := range users {
		item := dao.AdminUserListItem{
			Id:        row.Id,
			Status:    userStatus(row),
			CreatedAt: row.CreatedAt,
		}
		if profile, ok := profiles[row.Id]; ok {
			item.Name = profile.GetName()
			item.Avatar = profile.GetAvatar()
			mobile, _ := utils.DecryptPhone(profile.GetMobile())
			item.Mobile = mobile
			item.Gender = profile.GetGender()
			item.GenderText = formatGender(item.Gender)
			item.Birthday = profile.GetBirthday()
			item.Age = utils.CalcAgeStr(item.Birthday)
		} else {
			item.GenderText = formatGender(utils.NumberZero)
		}
		if logRow, ok := logs[row.Id]; ok {
			item.DetectionNumber = logRow.DetectionNumber
		}
		items = append(items, item)
	}

	page.Items = items
	return common.OkResponse(page), nil
}

func (l *UserListLogic) filterBizIds(keyword string) ([]int64, error) {
	if l.svcCtx.UserSvcName == utils.StringEmpty {
		return nil, status.Error(codes.FailedPrecondition, "user service empty")
	}
	cli, err := svc.GetRpcClient(l.svcCtx.UserSvcName)
	if err != nil {
		return nil, err
	}
	res, err := userpb.NewUserClient(cli.Conn()).InternalUsersByBiz(l.ctx, &userpb.InternalUsersByBizReq{
		ClientCode: dao.ClientCodeUserSkin,
		Keyword:    keyword,
	})
	if err != nil {
		return nil, err
	}
	ids := make([]int64, 0, len(res.GetItems()))
	for _, item := range res.GetItems() {
		if item.GetBizId() > utils.NumberZero {
			ids = append(ids, item.GetBizId())
		}
	}
	return ids, nil
}

func (l *UserListLogic) loadProfiles(bizIds []int64) (map[int64]*userpb.BizUserItem, error) {
	out := make(map[int64]*userpb.BizUserItem, len(bizIds))
	if len(bizIds) == utils.NumberZero {
		return out, nil
	}
	if l.svcCtx.UserSvcName == utils.StringEmpty {
		return nil, status.Error(codes.FailedPrecondition, "user service empty")
	}
	cli, err := svc.GetRpcClient(l.svcCtx.UserSvcName)
	if err != nil {
		return nil, err
	}
	res, err := userpb.NewUserClient(cli.Conn()).InternalUsersByBiz(l.ctx, &userpb.InternalUsersByBizReq{
		ClientCode: dao.ClientCodeUserSkin,
		BizIds:     bizIds,
	})
	if err != nil {
		return nil, err
	}
	for _, item := range res.GetItems() {
		out[item.GetBizId()] = item
	}
	return out, nil
}