package config

import (
	"crypto/rsa"
	"gitee.com/xuyiping_admin/pkg/di"
	"os"
	"strings"
	"sync"
)

var (
	Module   = di.Provide(Options)
	options  *AppConfig
	appEnv   string
	initOnce sync.Once
)

// AppConfig store all configuration options
type AppConfig struct {
	AppName        string `yaml:"app_name"`
	AppEnv         string `yaml:"app_environment"`
	Debug          bool   `yaml:"debug" env:"APP_DEBUG"`
	HTTPServerAddr string `yaml:"http_server_addr" env:"HTTP_SERVER_ADDR"`

	// 数据库配置 额外加载文件部分 database.yaml
	StoreSetting StoreSetting `json:"storeSetting" yaml:"store"`
	// redis 配置
	RedisSetting RedisSetting `json:"RedisSetting" yaml:"redis_setting"`
	JwtSecret    string       `json:"jwtSecret" yaml:"jwt_secret"`

	ExcelSetting ExcelSetting `json:"excelSetting" yaml:"excel_setting"`

	WechatSetting     WechatSetting     `json:"wechatSetting" yaml:"wechat_setting"`
	JwtTokenKeyConfig JwtTokenKeyConfig `json:"jwtTokenKeyConfig"`
	JwtExpireTime     int               `json:"jwtExpireTime" yaml:"jwt_expire_time"`
}

type JwtTokenKeyConfig struct {
	PrivateKey *rsa.PrivateKey `json:"privateKey"`
	PublicKey  *rsa.PublicKey  `json:"publicKey"`
}

type WechatSetting struct {
	Appid  string `yaml:"appid"`
	Secret string `yaml:"secret"`
}

type ExcelSetting struct {
	SheetName string  `yaml:"sheet_name"` // = "Sheet1" //默认Sheet名称
	Height    float64 `yaml:"height"`     // = 25.0     //默认行高度
}

// StoreSetting 数据库配置
type StoreSetting struct {
	// 开启 SyDb SQL 记录
	DriverName      string `yaml:"driver_name" json:"driver_name"`
	ShowSQL         bool   `yaml:"show_sql" env:"STORE_SHOW_SQL"`
	KptEventDSNRW   string `yaml:"kpt_tmr_group_rw" env:"LINGO_COURSE_DSN_RW"`
	KptEventDSNMigr string `yaml:"kpt_tmr_group_migr" env:"LINGO_COURSE_DSN_MIGR"`
}

type RedisSetting struct {
	// sso 配置
	SSOCache SSOCache `json:"SSOCache" yaml:"sso_cache"`
}

type SSOCache struct {
	Addr        string `json:"addr" yaml:"addr"`
	Requirepass string `json:"requirepass" yaml:"requirepass"`
	DB          int    `json:"DB" yaml:"DB"`
	Expiry      int    `json:"expiry" yaml:"expiry"`
}

func Options() *AppConfig {
	return options
}

func init() {
	appEnv = strings.ToLower(os.Getenv("APP_ENVIRONMENT"))
	cfg := &AppConfig{}
	var err error
	initOnce.Do(func() {
		switch appEnv {
		default:
			err = Initialize("app.test.yaml", cfg)
		case "develop":
			err = Initialize("app.develop.yaml", cfg)
		case "production":
			err = Initialize("app.production.yaml", cfg)
		}
		if err != nil {
			panic(err)
		}
		cfg.JwtTokenKeyConfig = openPrivateKey()
		options = cfg
	})
}