package config

import "time"

// Config 系統配置
type Config struct {
	// Database 資料庫配置
	Database DatabaseConfig

	// Redis 快取配置
	Redis RedisConfig

	// RBAC 配置
	RBAC RBACConfig

	// Role 角色配置
	Role RoleConfig
}

// DatabaseConfig 資料庫配置
type DatabaseConfig struct {
	Host     string
	Port     int
	Username string
	Password string
	Database string
	MaxIdle  int
	MaxOpen  int
}

// RedisConfig Redis 配置
type RedisConfig struct {
	Host     string
	Port     int
	Password string
	DB       int

	// Cache TTL
	PermissionTreeTTL time.Duration
	UserPermissionTTL time.Duration
	RolePolicyTTL     time.Duration
}

// RBACConfig RBAC 配置
type RBACConfig struct {
	ModelPath   string
	SyncPeriod  time.Duration
	EnableCache bool
}

// RoleConfig 角色配置
type RoleConfig struct {
	// UID 前綴 (例如: AM, RL)
	UIDPrefix string

	// UID 數字長度
	UIDLength int

	// 管理員角色 UID
	AdminRoleUID string

	// 管理員用戶 UID
	AdminUserUID string

	// 預設角色名稱
	DefaultRoleName string
}

// DefaultConfig 預設配置
func DefaultConfig() Config {
	return Config{
		Redis: RedisConfig{
			PermissionTreeTTL: 10 * time.Minute,
			UserPermissionTTL: 5 * time.Minute,
			RolePolicyTTL:     10 * time.Minute,
		},
		RBAC: RBACConfig{
			ModelPath:   "./rbac_model.conf",
			SyncPeriod:  30 * time.Second,
			EnableCache: true,
		},
		Role: RoleConfig{
			UIDPrefix:       "AM",
			UIDLength:       6,
			AdminRoleUID:    "AM000000",
			AdminUserUID:    "B000000",
			DefaultRoleName: "user",
		},
	}
}