package config

import "fmt"

// DatabaseConfig 数据库配置
type DatabaseConfig struct {
	Type                 string         `mapstructure:"type"`
	SQLite               SQLiteConfig   `mapstructure:"sqlite"`
	Postgres             PostgresConfig `mapstructure:"postgres"`
	MaxIdleConns         int            `mapstructure:"max_idle_conns"`
	MaxOpenConns         int            `mapstructure:"max_open_conns"`
	LogLevel             string         `mapstructure:"log_level"`
	SlowThresholdMs      int            `mapstructure:"slow_threshold_ms"`
	IgnoreRecordNotFound bool           `mapstructure:"ignore_record_not_found"`
	ParameterizedQueries bool           `mapstructure:"parameterized_queries"`
}

// SQLiteConfig SQLite 配置
type SQLiteConfig struct {
	Path string `mapstructure:"path"`
}

// PostgresConfig PostgreSQL 配置
type PostgresConfig struct {
	Host     string `mapstructure:"host"`
	Port     int    `mapstructure:"port"`
	User     string `mapstructure:"user"`
	Password string `mapstructure:"password"`
	DBName   string `mapstructure:"dbname"`
	SSLMode  string `mapstructure:"sslmode"`
}

// DSN 返回 PostgreSQL 连接字符串
func (d PostgresConfig) DSN() string {
	return fmt.Sprintf(
		"host=%s port=%d user=%s password=%s dbname=%s sslmode=%s",
		d.Host, d.Port, d.User, d.Password, d.DBName, d.SSLMode,
	)
}