package config

import (
	"os"
	"strconv"
)

type Config struct {
	Port                   string
	DBPath                 string
	AdminUsername          string
	AdminPassword          string
	JWTSecret              string
	CrawlerIntervalMinutes int
	CrawlerWorkers         int
}

func LoadConfig() *Config {
	port := os.Getenv("PORT")
	if port == "" {
		port = "8080"
	}

	dbPath := os.Getenv("DB_PATH")
	if dbPath == "" {
		dbPath = "./data/rsspipe.db"
	}

	adminUser := os.Getenv("ADMIN_USERNAME")
	if adminUser == "" {
		adminUser = "admin"
	}

	adminPass := os.Getenv("ADMIN_PASSWORD")
	if adminPass == "" {
		adminPass = "admin123456"
	}

	jwtSecret := os.Getenv("JWT_SECRET")
	if jwtSecret == "" {
		jwtSecret = "rsspipe-super-secret-jwt-key-2026"
	}

	intervalMin := 15
	if intervalStr := os.Getenv("CRAWLER_INTERVAL_MINUTES"); intervalStr != "" {
		if v, err := strconv.Atoi(intervalStr); err == nil && v > 0 {
			intervalMin = v
		}
	}

	workers := 10
	if workerStr := os.Getenv("CRAWLER_WORKERS"); workerStr != "" {
		if v, err := strconv.Atoi(workerStr); err == nil && v > 0 {
			workers = v
		}
	}

	return &Config{
		Port:                   port,
		DBPath:                 dbPath,
		AdminUsername:          adminUser,
		AdminPassword:          adminPass,
		JWTSecret:              jwtSecret,
		CrawlerIntervalMinutes: intervalMin,
		CrawlerWorkers:         workers,
	}
}