package logic

import (
	"context"
	"strings"
	"time"

	"spark-server/internal/module/friend/entity"
	"spark-server/internal/pkg/errs"
	"spark-server/internal/pkg/i18n"
	"spark-server/internal/pkg/reqctx"
	"spark-server/internal/pkg/validate"
)

type ReportInput struct {
	Reason entity.ReportReason `json:"reason" validate:"required,oneof=1 2 3 4" label:"field.report_reason" errmsg:"required:validate.friend.report_reason_required;oneof:validate.friend.report_reason_invalid"`
	Detail string              `json:"detail" validate:"omitempty,max=512" label:"field.report_detail" errmsg:"max:validate.friend.report_detail_invalid"`
}

func (s *Service) Report(ctx context.Context, userID, targetID int64, in ReportInput) error {
	if !s.ready() || userID <= 0 {
		return errs.ErrUnauthorized
	}
	if err := validate.StructLang(reqctx.Lang(ctx), in); err != nil {
		return err
	}
	if targetID <= 0 || entity.SameUser(userID, targetID) {
		return errs.ErrInvalidArgument.WithMsg(i18n.T(reqctx.Lang(ctx), i18n.KeyFriendSelf, nil))
	}
	if _, err := s.activeUser(ctx, targetID); err != nil {
		return err
	}
	id, err := s.ids.NextID()
	if err != nil {
		return err
	}
	return s.repo.CreateReport(ctx, &entity.Report{
		ID: id, UserID: userID, TargetID: targetID,
		Reason: in.Reason, Detail: strings.TrimSpace(in.Detail), CreatedAt: time.Now(),
	})
}