package client

import (
	"context"
	"errors"
	"time"

	"gorm.io/gorm"

	"github.com/topfans/backend/pkg/models"
)

// AssetClient 验证 asset 目标存在 + 返回 owner_uid / star_id
type AssetClient struct {
	db *gorm.DB
}

func NewAssetClient(db *gorm.DB) *AssetClient {
	return &AssetClient{db: db}
}

// GetAssetForReport 验证目标存在 + 返回 (owner_uid, star_id, snapshot map)
func (c *AssetClient) GetAssetForReport(ctx context.Context, assetID int64) (ownerUID int64, starID int64, snapshot map[string]interface{}, err error) {
	var asset models.Asset
	if err = c.db.WithContext(ctx).First(&asset, assetID).Error; err != nil {
		if errors.Is(err, gorm.ErrRecordNotFound) {
			return 0, 0, nil, ErrTargetNotFound
		}
		return 0, 0, nil, err
	}
	starID = asset.StarID
	snapshot = map[string]interface{}{
		"asset_id":    asset.ID,
		"owner_uid":   asset.OwnerUID,
		"name":        asset.Name,
		"cover_url":   asset.CoverURL,
		"description": asset.Description,
		"star_id":     asset.StarID,
		"snapshot_at": time.Now().UnixMilli(),
	}
	return asset.OwnerUID, starID, snapshot, nil
}

var ErrTargetNotFound = errors.New("target not found")