package config

import (
	"os"

	"gopkg.in/yaml.v3"
)

type Config struct {
	Server   ServerConfig   `yaml:"server"`
	Database DatabaseConfig `yaml:"database"`
	Auth     AuthConfig     `yaml:"auth"`
}

type ServerConfig struct {
	Listen string `yaml:"listen"`
}

type DatabaseConfig struct {
	Path string `yaml:"path"`
}

type AuthConfig struct {
	DaemonAPIKey   string `yaml:"daemon_api_key"`
	DashboardToken string `yaml:"dashboard_token"`
}

func DefaultConfig() *Config {
	return &Config{
		Server: ServerConfig{
			Listen: ":8080",
		},
		Database: DatabaseConfig{
			Path: "ccrm.db",
		},
		Auth: AuthConfig{
			DaemonAPIKey:   "change-me-daemon-key",
			DashboardToken: "change-me-dashboard-token",
		},
	}
}

func Load(path string) (*Config, error) {
	cfg := DefaultConfig()

	if path == "" {
		return cfg, nil
	}

	data, err := os.ReadFile(path)
	if err != nil {
		if os.IsNotExist(err) {
			return cfg, nil
		}
		return nil, err
	}

	if err := yaml.Unmarshal(data, cfg); err != nil {
		return nil, err
	}

	return cfg, nil
}