package enums

// CertificationStatus 认证状态枚举
type CertificationStatus string

const (
	// 主流程状态
	StatusPending          CertificationStatus = "pending"           // 待认证
	StatusInfoSubmitted    CertificationStatus = "info_submitted"    // 已提交企业信息
	StatusEnterpriseVerified CertificationStatus = "enterprise_verified" // 已企业认证
	StatusContractApplied  CertificationStatus = "contract_applied"  // 已申请签署合同
	StatusContractSigned   CertificationStatus = "contract_signed"   // 已签署合同
	StatusCompleted        CertificationStatus = "completed"         // 认证完成
)

// IsValidStatus 检查状态是否有效
func IsValidStatus(status CertificationStatus) bool {
	validStatuses := []CertificationStatus{
		StatusPending, StatusInfoSubmitted, StatusEnterpriseVerified,
		StatusContractApplied, StatusContractSigned, StatusCompleted,
	}

	for _, validStatus := range validStatuses {
		if status == validStatus {
			return true
		}
	}
	return false
}

// GetStatusName 获取状态的中文名称
func GetStatusName(status CertificationStatus) string {
	statusNames := map[CertificationStatus]string{
		StatusPending:           "待认证",
		StatusInfoSubmitted:     "已提交企业信息",
		StatusEnterpriseVerified: "已企业认证",
		StatusContractApplied:   "已申请合同",
		StatusContractSigned:    "已签署合同",
		StatusCompleted:         "认证完成",
	}

	if name, exists := statusNames[status]; exists {
		return name
	}
	return string(status)
}

// IsFinalStatus 判断是否为最终状态
func IsFinalStatus(status CertificationStatus) bool {
	return status == StatusCompleted
}

// GetStatusCategory 获取状态分类
func GetStatusCategory(status CertificationStatus) string {
	switch status {
	case StatusPending:
		return "initial"
	case StatusInfoSubmitted, StatusEnterpriseVerified, StatusContractApplied, StatusContractSigned:
		return "processing"
	case StatusCompleted:
		return "completed"
	default:
		return "unknown"
	}
}

// GetStatusPriority 获取状态优先级（用于排序）
func GetStatusPriority(status CertificationStatus) int {
	priorities := map[CertificationStatus]int{
		StatusPending:           0,
		StatusInfoSubmitted:     1,
		StatusEnterpriseVerified: 2,
		StatusContractApplied:   3,
		StatusContractSigned:    4,
		StatusCompleted:         5,
	}

	if priority, exists := priorities[status]; exists {
		return priority
	}
	return 999
}