package app

import (
	"context"
	"encoding/json"
	"strings"

	"git.5iot.com/iotlcm-public/iotlcm-app/internal/library/rabbitmq"

	"github.com/gogf/gf/v2/errors/gerror"
	"github.com/gogf/gf/v2/frame/g"
	"github.com/gogf/gf/v2/os/gtime"
)

const (
	appAsyncEventBalanceRechargePaid = "balance_recharge_paid"
	appAsyncEventRenewCompleted      = "card_renew_completed"
	appAsyncEventChangeCompleted     = "card_change_completed"
	appAsyncEventAllocateCompleted   = "card_allocate_completed"
)

type appBusinessAsyncEvent struct {
	EventType   string `json:"eventType"`
	OrderSn     string `json:"orderSn,omitempty"`
	BatchNo     string `json:"batchNo,omitempty"`
	BatchType   int    `json:"batchType,omitempty"`
	PayProvider string `json:"payProvider,omitempty"`
	PayTradeNo  string `json:"payTradeNo,omitempty"`
	TenantId    string `json:"tenantId,omitempty"`
	UserId      int64  `json:"userId,omitempty"`
	DeptId      int64  `json:"deptId,omitempty"`
	Trigger     string `json:"trigger,omitempty"`
	CreatedAt   string `json:"createdAt"`
}

func (s *sAppCard) publishAppBusinessAsyncEvent(ctx context.Context, event appBusinessAsyncEvent) error {
	event.EventType = strings.TrimSpace(event.EventType)
	if event.EventType == "" {
		return nil
	}
	if event.CreatedAt == "" {
		event.CreatedAt = gtime.Now().Format("Y-m-d H:i:s")
	}
	if !g.Cfg().MustGet(ctx, "appBusinessAsync.enabled", false).Bool() {
		return nil
	}

	payload, err := json.Marshal(event)
	if err != nil {
		return gerror.Wrap(err, "序列化小程序业务异步事件失败")
	}

	provider := strings.ToLower(strings.TrimSpace(g.Cfg().MustGet(ctx, "appBusinessAsync.provider", "rabbitmq").String()))
	queueName := strings.TrimSpace(g.Cfg().MustGet(ctx, "appBusinessAsync.queueName", "iotlcm.app.business").String())
	failOnPublish := g.Cfg().MustGet(ctx, "appBusinessAsync.failOnPublish", false).Bool()

	var publishErr error
	switch provider {
	case "log", "stdout":
		g.Log().Infof(ctx, "小程序业务异步事件: queue=%s payload=%s", queueName, string(payload))
	case "rabbitmq":
		publishErr = rabbitmq.PublishBytes(ctx, queueName, payload)
		if publishErr != nil {
			g.Log().Warningf(ctx, "小程序业务异步事件 RabbitMQ 发布失败: queue=%s payload=%s err:%+v", queueName, string(payload), publishErr)
		} else {
			g.Log().Infof(ctx, "小程序业务异步事件 RabbitMQ 发布成功: queue=%s eventType=%s orderSn=%s batchNo=%s", queueName, event.EventType, event.OrderSn, event.BatchNo)
		}
	default:
		publishErr = gerror.Newf("不支持的小程序业务异步事件发布器: %s", provider)
		g.Log().Warningf(ctx, "%v: queue=%s payload=%s", publishErr, queueName, string(payload))
	}

	if publishErr != nil && failOnPublish {
		return publishErr
	}
	return nil
}