package config

import (
	"github.com/caarlos0/env"
)

// Config 全局配置，从环境变量加载
type Config struct {
	PG                   string `env:"PG" envDefault:"postgresql://postgres:pan@localhost:5432/silk"`
	Redis                string `env:"REDIS" envDefault:"redis://:pan@localhost:6379"`
	JWTSecret            string `env:"JWT_SECRET" envDefault:"silk-secret-please-change-me"`
	JWTExpiresIn         string `env:"JWT_EXPIRES_IN" envDefault:"2h"`
	MQTT                 string `env:"MQTT" envDefault:"mqtt://pan:pan@localhost:1883"`
	IoTDBURL             string `env:"IOTDB_URL" envDefault:"http://127.0.0.1:18081"`
	S3Endpoint           string `env:"S3_ENDPOINT" envDefault:"http://100.83.103.1:7480"`
	S3AccessKey          string `env:"S3_ACCESS_KEY" envDefault:"silk-app"`
	S3SecretKey          string `env:"S3_SECRET_KEY" envDefault:"Silk-App-Secret-2026!"`
	S3Bucket             string `env:"S3_BUCKET" envDefault:"silk-video-events"`
	S3BucketImages       string `env:"S3_BUCKET_IMAGES" envDefault:"silk-images"`
	S3Region             string `env:"S3_REGION" envDefault:"us-east-1"`
	WVPAPIBase           string `env:"WVP_API_BASE" envDefault:"http://localhost:18978"`
	WVPUsername          string `env:"WVP_USERNAME" envDefault:"admin"`
	WVPPassword          string `env:"WVP_PASSWORD" envDefault:"admin"`
	ZLMAPIBase           string `env:"ZLM_API_BASE" envDefault:"http://100.83.103.1:8081"`
	ZLMSecret            string `env:"ZLM_SECRET" envDefault:"su6TiedN2rVAmBbIDX0aa0QTiBJLBdcf"`
	RecorderAPIBase      string `env:"RECORDER_API_BASE" envDefault:"http://localhost:9090"`
	InternalAPIKey       string `env:"INTERNAL_API_KEY" envDefault:"silk-internal-2026"`
	Port                 int    `env:"PORT" envDefault:"3000"`
	DefaultAdminUsername string `env:"DEFAULT_ADMIN_USERNAME" envDefault:"admin"`
	DefaultAdminPassword string `env:"DEFAULT_ADMIN_PASSWORD" envDefault:"silk@123"`
	DefaultAdminEmail    string `env:"DEFAULT_ADMIN_EMAIL" envDefault:"admin@silk.local"`
}

// Load 从环境变量加载配置
func Load() (*Config, error) {
	cfg := &Config{}
	if err := env.Parse(cfg); err != nil {
		return nil, err
	}
	return cfg, nil
}