// Package plugins — payment 插件实现（带 build tag，未启用时不编译）
//go:build payment

package plugins

import (
	"context"
	"fmt"

	"go_win_template/internal/payment"
)

// paymentPluginImpl 支付插件
type paymentPluginImpl struct {
	enabled bool
	svc     *payment.Service
}

func (p *paymentPluginImpl) Name() string            { return "payment" }
func (p *paymentPluginImpl) Enabled() bool           { return p.enabled }
func (p *paymentPluginImpl) Init(ctx context.Context) error {
	cfg, _ := LoadOrDefault()
	pcfg := payment.Config{
		AppID:            getStringParam(cfg, "payment", "app_id"),
		MchID:            getStringParam(cfg, "payment", "mch_id"),
		APIKey:           getStringParam(cfg, "payment", "api_key"),
		BaseURL:          getStringParam(cfg, "payment", "base_url"),
		AutoRefreshToken: true,
	}
	p.svc = payment.NewService(pcfg)
	fmt.Printf("[payment] initialized, base_url=%s\n", pcfg.BaseURL)
	return nil
}
func (p *paymentPluginImpl) Register(app *App) error { return nil }
func (p *paymentPluginImpl) Shutdown() error         { return nil }

// GetPaymentService 返回支付服务（any 类型，供 App 层类型断言）
func (p *paymentPluginImpl) GetPaymentService() any {
	return p.svc
}

func init() {
	cfg, _ := LoadOrDefault()
	Register(&paymentPluginImpl{enabled: cfg.Plugins["payment"].Enabled})
}

func getStringParam(cfg *Config, plugin, key string) string {
	if opts, ok := cfg.Plugins[plugin]; ok {
		if v, ok := opts.Params[key].(string); ok {
			return v
		}
	}
	return ""
}