package repository

import (
	"context"
	"errors"

	"gorm.io/gorm"
	"pay-bridge/internal/model"
)

// ChannelConfigRepository 渠道配置数据访问
type ChannelConfigRepository struct {
	db *gorm.DB
}

func NewChannelConfigRepository(db *gorm.DB) *ChannelConfigRepository {
	return &ChannelConfigRepository{db: db}
}

// GetByAppChannel 按 app_id + channel_code 查询
func (r *ChannelConfigRepository) GetByAppChannel(ctx context.Context, appID, channelCode string) (*model.ChannelConfig, error) {
	var cfg model.ChannelConfig
	err := r.db.WithContext(ctx).Where("app_id = ? AND channel_code = ? AND status = 1", appID, channelCode).First(&cfg).Error
	if errors.Is(err, gorm.ErrRecordNotFound) {
		return nil, nil
	}
	return &cfg, err
}

// Create 创建渠道配置
func (r *ChannelConfigRepository) Create(ctx context.Context, cfg *model.ChannelConfig) error {
	return r.db.WithContext(ctx).Create(cfg).Error
}

// Update 更新渠道配置
func (r *ChannelConfigRepository) Update(ctx context.Context, id uint64, updates map[string]any) error {
	return r.db.WithContext(ctx).Model(&model.ChannelConfig{}).Where("id = ?", id).Updates(updates).Error
}

// ListByApp 查询应用下所有启用的渠道配置
func (r *ChannelConfigRepository) ListByApp(ctx context.Context, appID string) ([]*model.ChannelConfig, error) {
	var cfgs []*model.ChannelConfig
	err := r.db.WithContext(ctx).Where("app_id = ? AND status = 1", appID).Find(&cfgs).Error
	return cfgs, err
}