package projectinstance

import (
	"time"

	"chat-agent-system/internal/workflowdef"
)

const (
	LifecyclePlanning = "planning"
	LifecycleActive   = "active"

	InstancePlanning = "planning"
	InstanceActive   = "active"

	DutyAuthor   = "author"
	DutyReviewer = "reviewer"
	DutyApprover = "approver"
)

// DocDuty 文档三权职责指派。
type DocDuty struct {
	AuthorUserID   int64 `json:"author_user_id,omitempty"`
	ReviewerUserID int64 `json:"reviewer_user_id,omitempty"`
	ApproverUserID int64 `json:"approver_user_id,omitempty"`
}

// DocTaskPlan 文档任务裁剪与职责。
type DocTaskPlan struct {
	TaskKey string  `json:"task_key"`
	Enabled bool    `json:"enabled"`
	Duties  DocDuty `json:"duties"`
}

// StagePlan 阶段裁剪与文档任务。
type StagePlan struct {
	StageKey string        `json:"stage_key"`
	Enabled  bool          `json:"enabled"`
	DocTasks []DocTaskPlan `json:"doc_tasks"`
}

// WorkflowPlan 项目工作流规划快照。
type WorkflowPlan struct {
	WorkflowDefinitionKey string      `json:"workflow_definition_key"`
	WorkflowVersion       int         `json:"workflow_version"`
	WorkflowVersionID     int64       `json:"workflow_version_id,omitempty"`
	Stages                []StagePlan `json:"stages"`
}

// WorkflowInstance 项目工作流实例。
type WorkflowInstance struct {
	ID                int64        `json:"id"`
	ProjectID         int64        `json:"project_id"`
	WorkflowVersionID int64        `json:"workflow_version_id"`
	InstanceNo        int          `json:"instance_no"`
	Status            string       `json:"status"`
	ConfigRevision    int          `json:"config_revision"`
	PlanHash          string       `json:"plan_hash"`
	ConfigSnapshot    WorkflowPlan `json:"config_snapshot"`
	ActivatedBy       *int64       `json:"activated_by,omitempty"`
	ActivatedAt       *time.Time   `json:"activated_at,omitempty"`
	CreatedBy         *int64       `json:"created_by,omitempty"`
	CreatedAt         time.Time    `json:"created_at"`
	UpdatedAt         time.Time    `json:"updated_at"`
}

// ProjectSettings 项目设置聚合视图。
type ProjectSettings struct {
	ProjectID                int64             `json:"project_id"`
	LifecycleStatus          string            `json:"lifecycle_status"`
	ActiveWorkflowKey        string            `json:"active_workflow_key"`
	WorkflowSelectionVersion int               `json:"workflow_selection_version"`
	WorkflowPlanRevision     int               `json:"workflow_plan_revision"`
	Plan                     *WorkflowPlan     `json:"plan,omitempty"`
	PlanningInstance         *WorkflowInstance `json:"planning_instance,omitempty"`
	LiveInstance             *WorkflowInstance `json:"live_instance,omitempty"`
	CanEditPlan              bool              `json:"can_edit_plan"`
	CanActivate              bool              `json:"can_activate"`
	PublishedWorkflows       []PublishedOption `json:"published_workflows,omitempty"`
}

// PublishedOption 可选已发布工作流。
type PublishedOption struct {
	DefinitionKey   string `json:"definition_key"`
	DefinitionName  string `json:"definition_name"`
	LatestVersion   int    `json:"latest_version"`
	WorkflowVersion int64  `json:"workflow_version_id"`
	ProductDomain   string `json:"product_domain,omitempty"`
}

// SavePlanInput 保存工作流规划。
type SavePlanInput struct {
	Plan                     WorkflowPlan `json:"plan"`
	ExpectedPlanRevision     int          `json:"expected_plan_revision"`
	ExpectedSelectionVersion int          `json:"expected_selection_version"`
}

// ActivationPreview 激活预览与确认令牌。
type ActivationPreview struct {
	ConfirmationToken        string              `json:"confirmation_token"`
	PlanHash                 string              `json:"plan_hash"`
	ExpectedProjectVersion   int                 `json:"expected_project_version"`
	ExpectedPlanRevision     int                 `json:"expected_plan_revision"`
	Summary                  PreviewSummary      `json:"summary"`
	Validation               workflowdef.ValidationResult `json:"validation"`
	ExpiresAt                time.Time           `json:"expires_at"`
}

// PreviewSummary 激活影响摘要。
type PreviewSummary struct {
	WorkflowName     string `json:"workflow_name"`
	WorkflowVersion  int    `json:"workflow_version"`
	EnabledStages    int    `json:"enabled_stages"`
	EnabledDocTasks  int    `json:"enabled_doc_tasks"`
	AssignedDuties   int    `json:"assigned_duties"`
	FirstStageKey    string `json:"first_stage_key,omitempty"`
	FirstStageName   string `json:"first_stage_name,omitempty"`
}

// ActivateInput 二次确认激活。
type ActivateInput struct {
	ConfirmationToken        string `json:"confirmation_token"`
	ExpectedProjectVersion   int    `json:"expected_project_version"`
	ExpectedPlanRevision     int    `json:"expected_plan_revision"`
}

// ActivateResult 激活结果。
type ActivateResult struct {
	ProjectID         int64            `json:"project_id"`
	LifecycleStatus   string           `json:"lifecycle_status"`
	ActiveWorkflowKey string           `json:"active_workflow_key"`
	Instance          WorkflowInstance `json:"instance"`
}