package model

import "time"

// ApprovalWorkflow 审批流程定义
type ApprovalWorkflow struct {
	ID          uint      `gorm:"primarykey" json:"id"`
	Name        string    `gorm:"size:128;not null" json:"name"`
	Description string    `gorm:"size:500" json:"description"`
	Category    string    `gorm:"size:32;default:resource" json:"category"` // resource, app, permission
	IsDefault   bool      `gorm:"default:false" json:"is_default"`
	IsActive    bool      `gorm:"default:true" json:"is_active"`
	CreatedAt   time.Time `json:"created_at"`
	UpdatedAt   time.Time `json:"updated_at"`

	Steps []ApprovalWorkflowStep `gorm:"foreignKey:WorkflowID" json:"steps,omitempty"`
}

func (ApprovalWorkflow) TableName() string {
	return "approval_workflows"
}

// ApprovalWorkflowStep 审批流程步骤
type ApprovalWorkflowStep struct {
	ID           uint      `gorm:"primarykey" json:"id"`
	WorkflowID   uint      `json:"workflow_id"`
	StepNumber   int       `gorm:"not null" json:"step_number"`
	Name         string    `gorm:"size:128;not null" json:"name"`
	StepType     string    `gorm:"size:32;not null" json:"step_type"` // submit, audit, execute
	ApproverIDs  string    `gorm:"type:text" json:"approver_ids"`     // JSON array of user IDs
	IsRequired   bool      `gorm:"default:true" json:"is_required"`
	TimeoutHours int       `gorm:"default:24" json:"timeout_hours"`
	AutoApprove  bool      `gorm:"default:false" json:"auto_approve_on_timeout"`
	CreatedAt    time.Time `json:"created_at"`
	UpdatedAt    time.Time `json:"updated_at"`
}

func (ApprovalWorkflowStep) TableName() string {
	return "approval_workflow_steps"
}

// CreateWorkflowRequest 创建审批流程请求
type CreateWorkflowRequest struct {
	Name        string                  `json:"name" binding:"required"`
	Description string                  `json:"description"`
	Category    string                  `json:"category"`
	Steps       []CreateWorkflowStepReq `json:"steps"`
}

type CreateWorkflowStepReq struct {
	StepNumber         int    `json:"step_number"`
	Name               string `json:"name" binding:"required"`
	StepType           string `json:"step_type" binding:"required,oneof=submit audit execute"`
	ApproverIDs        string `json:"approver_ids"`
	IsRequired         bool   `json:"is_required"`
	TimeoutHours       int    `json:"timeout_hours"`
	AutoApproveTimeout bool   `json:"auto_approve_on_timeout"`
}

// UpdateWorkflowRequest 更新审批流程请求
type UpdateWorkflowRequest struct {
	Name        *string                 `json:"name,omitempty"`
	Description *string                 `json:"description,omitempty"`
	Category    *string                 `json:"category,omitempty"`
	IsActive    *bool                   `json:"is_active,omitempty"`
	IsDefault   *bool                   `json:"is_default,omitempty"`
	Steps       []CreateWorkflowStepReq `json:"steps,omitempty"`
}