package conf

import (
	"path/filepath"

	"github.com/alist-org/alist/v3/cmd/flags"
	"github.com/alist-org/alist/v3/pkg/utils/random"
)

type Database struct {
	Type        string `json:"type" env:"DB_TYPE"`
	Host        string `json:"host" env:"DB_HOST"`
	Port        int    `json:"port" env:"DB_PORT"`
	User        string `json:"user" env:"DB_USER"`
	Password    string `json:"password" env:"DB_PASS"`
	Name        string `json:"name" env:"DB_NAME"`
	DBFile      string `json:"db_file" env:"DB_FILE"`
	TablePrefix string `json:"table_prefix" env:"DB_TABLE_PREFIX"`
	SSLMode     string `json:"ssl_mode" env:"DB_SSL_MODE"`
}

type Scheme struct {
	Https    bool   `json:"https" env:"HTTPS"`
	CertFile string `json:"cert_file" env:"CERT_FILE"`
	KeyFile  string `json:"key_file" env:"KEY_FILE"`
}

type LogConfig struct {
	Enable     bool   `json:"enable" env:"LOG_ENABLE"`
	Name       string `json:"name" env:"LOG_NAME"`
	MaxSize    int    `json:"max_size" env:"MAX_SIZE"`
	MaxBackups int    `json:"max_backups" env:"MAX_BACKUPS"`
	MaxAge     int    `json:"max_age" env:"MAX_AGE"`
	Compress   bool   `json:"compress" env:"COMPRESS"`
}

type Config struct {
	Force                 bool      `json:"force" env:"FORCE"`
	Address               string    `json:"address" env:"ADDR"`
	Port                  int       `json:"port" env:"PORT"`
	SiteURL               string    `json:"site_url" env:"SITE_URL"`
	Cdn                   string    `json:"cdn" env:"CDN"`
	JwtSecret             string    `json:"jwt_secret" env:"JWT_SECRET"`
	TokenExpiresIn        int       `json:"token_expires_in" env:"TOKEN_EXPIRES_IN"`
	Database              Database  `json:"database"`
	Scheme                Scheme    `json:"scheme"`
	TempDir               string    `json:"temp_dir" env:"TEMP_DIR"`
	BleveDir              string    `json:"bleve_dir" env:"BLEVE_DIR"`
	Log                   LogConfig `json:"log"`
	MaxConnections        int       `json:"max_connections" env:"MAX_CONNECTIONS"`
	TlsInsecureSkipVerify bool      `json:"tls_insecure_skip_verify" env:"TLS_INSECURE_SKIP_VERIFY"`
}

func DefaultConfig() *Config {
	tempDir := filepath.Join(flags.DataDir, "temp")
	indexDir := filepath.Join(flags.DataDir, "bleve")
	logPath := filepath.Join(flags.DataDir, "log/log.log")
	dbPath := filepath.Join(flags.DataDir, "data.db")
	return &Config{
		Address:        "0.0.0.0",
		Port:           5244,
		JwtSecret:      random.String(16),
		TokenExpiresIn: 48,
		TempDir:        tempDir,
		Database: Database{
			Type:        "sqlite3",
			Port:        0,
			TablePrefix: "x_",
			DBFile:      dbPath,
		},
		BleveDir: indexDir,
		Log: LogConfig{
			Enable:     true,
			Name:       logPath,
			MaxSize:    10,
			MaxBackups: 5,
			MaxAge:     28,
		},
		MaxConnections:        0,
		TlsInsecureSkipVerify: false,
	}
}