package config

import (
	"fmt"

	"lone-services/pkg/utils"
	"lone-services/pkg/wechat/auth"
	"lone-services/pkg/wechat/qrcode"
)

type WechatConfig struct {
	AppID      string
	Secret     string
	Page       string
	Width      int
	EnvVersion string
}

func LoadWechatConfig(clientCode string) (*WechatConfig, error) {
	if clientCode == utils.StringEmpty {
		return nil, fmt.Errorf("client_code empty")
	}
	prefix := "wechat." + clientCode

	appID := utils.GetConfigString(prefix + ".appid")
	secret := utils.GetConfigString(prefix + ".secret")

	if appID == utils.StringEmpty || secret == utils.StringEmpty {
		return nil, fmt.Errorf("wechat config missing for client %s", clientCode)
	}

	page := utils.GetConfigString(prefix + ".page")
	if page == utils.StringEmpty {
		page = "pages/index/index"
	}
	width := utils.GetConfigInt(prefix + ".width")
	if width <= 0 {
		width = 430
	}
	envVersion := utils.GetConfigString(prefix + ".env_version")

	if envVersion == utils.StringEmpty {
		envVersion = "trial"
	}

	return &WechatConfig{
		AppID:      appID,
		Secret:     secret,
		Page:       page,
		Width:      width,
		EnvVersion: envVersion,
	}, nil
}

func (c *WechatConfig) NewAuthClient() *auth.Client {
	return auth.NewClient(c.AppID, c.Secret)
}

func (c *WechatConfig) NewQrcodeClient() *qrcode.Client {
	return qrcode.NewClient(c.NewAuthClient())
}