package bizdev

import (
	"context"
	"time"

	"chat-agent-system/internal/ctxmgr"
	"chat-agent-system/internal/docgov"
	"chat-agent-system/internal/maturity"
	"chat-agent-system/internal/squad"
)

type TaskMeta = squad.TaskMeta
type AdvisorBriefing = squad.AdvisorBriefing

type MaturityStage = maturity.MaturityStage

const (
	StageV01_Triage      = maturity.StageV01_Triage
	StageV05_Feasibility = maturity.StageV05_Feasibility
	StageV10_Quoting     = maturity.StageV10_Quoting
)

// StageMeta 商务对接阶段元数据说明
type StageMeta struct {
	Stage       MaturityStage `json:"stage"`
	Title       string        `json:"title"`
	Description string        `json:"description"`
	Tasks       []string      `json:"tasks"`
}

type MaterialInput struct {
	Filename string `json:"filename"`
	Content  []byte `json:"content"`
	AssetID  int64  `json:"asset_id,omitempty"`
}

type Attachment = squad.Attachment
type CaseSearchOptions = ctxmgr.CaseSearchOptions

type TaskRunRequest struct {
	TaskKey         string               `json:"task_key"`
	Title           string               `json:"title,omitempty"` // 自由任务人类可读标题（非标任务自主规划使用）
	ProjectName     string               `json:"project_name"`
	CustomerName    string               `json:"customer_name"`
	DeviceType      string               `json:"device_type"`
	IntendedUse     string               `json:"intended_use"`
	TargetMarket    string               `json:"target_market"`
	Fields          map[string]string    `json:"fields"`
	Materials       []MaterialInput      `json:"materials"`
	Backend         string               `json:"backend"`
	Timeout         time.Duration        `json:"timeout"`
	WorkDir         string               `json:"work_dir"`
	CustomSteps     []squad.StepSpec     `json:"custom_steps,omitempty"`
	AutoRepair      bool                 `json:"auto_repair,omitempty"`
	KnowledgeHits   []squad.KnowledgeHit `json:"knowledge_hits,omitempty"`
	PriorDocs       []squad.PriorDocItem `json:"prior_docs,omitempty"`
	SessionID       string               `json:"session_id,omitempty"`
	UserID          int64                `json:"user_id,omitempty"`
	ProjectID       int64                `json:"project_id,omitempty"`
	ClientTurnID    string               `json:"client_turn_id,omitempty"`
	RunID           string               `json:"run_id,omitempty"`
	UserContext     string               `json:"user_context,omitempty"`
	MemoryBankFiles map[string]string    `json:"memory_bank_files,omitempty"`
	DocID           string               `json:"doc_id,omitempty"`
	StageKey        string               `json:"stage_key,omitempty"` // 冻结实例阶段键；空则 resolveDocStage 回落
	AuthorID        int64                `json:"author_id,omitempty"`
	AuthorName      string               `json:"author_name,omitempty"`
	ReviewerID      int64                `json:"reviewer_id,omitempty"`
	ReviewerName    string               `json:"reviewer_name,omitempty"`
	ApproverID      int64                `json:"approver_id,omitempty"`
	ApproverName    string               `json:"approver_name,omitempty"`
	ForceDirectEdit bool                 `json:"force_direct_edit,omitempty"`
}

type TaskRunResult struct {
	TaskKey         string                 `json:"task_key"`
	ArtifactTitle   string                 `json:"artifact_title"`
	MarkdownBody    string                 `json:"markdown_body"`
	ExtractedData   map[string]string      `json:"extracted_data"`
	Attachments     []Attachment           `json:"attachments"`
	WorkDir         string                 `json:"work_dir"`
	BackendUsed     string                 `json:"backend_used"`
	Duration        time.Duration          `json:"duration"`
	Success         bool                   `json:"success"`
	ErrorReason     string                 `json:"error_reason,omitempty"`
	QualityReport   *squad.QualityReport   `json:"quality_report,omitempty"`
	Manifest        *squad.Manifest        `json:"manifest,omitempty"`
	AdvisorBrief    *AdvisorBriefing       `json:"advisor_brief,omitempty"`
	DocRecord       *docgov.DocumentRecord `json:"doc_record,omitempty"`
	PendingProposal *docgov.ChangeProposal `json:"pending_proposal,omitempty"`
	// RequiresAuthorApproval: human must decide. Disambiguate:
	//   - PendingProposal != nil → DocGov claimed-doc change proposal
	//   - PendingAgentCandidateID > 0 → high-risk revision candidate (ledger not committed)
	RequiresAuthorApproval bool `json:"requires_author_approval,omitempty"`
	// Pending agent revision confirmation (high/critical): fact source stays on ledger head.
	PendingAgentCandidateID int64  `json:"pending_agent_candidate_id,omitempty"`
	PendingChangeReportID   int64  `json:"pending_change_report_id,omitempty"`
	PendingRiskLevel        string `json:"pending_risk_level,omitempty"`
	PendingConfirmationNote string `json:"pending_confirmation_note,omitempty"`
	// PendingContextConflicts: dialogue-fact conflicts routed to the triggering
	// user (HITL trigger_user). Server projects them as chat confirmation cards.
	PendingContextConflicts []ContextConflictCard `json:"pending_context_conflicts,omitempty"`
}

// ContextConflictCard is the user-facing projection of one needs_confirm
// adjudication verdict (conflictresolve route trigger_user, card-eligible).
type ContextConflictCard struct {
	ExpectationID string `json:"expectation_id"`
	FactKey       string `json:"fact_key"`
	WinningValue  string `json:"winning_value"`
	Prompt        string `json:"prompt"`
	Snippet       string `json:"snippet"`
}

// StageRunRequest 运行指定成熟度阶段请求
type StageRunRequest struct {
	Stage           MaturityStage        `json:"stage"`
	ProjectName     string               `json:"project_name"`
	CustomerName    string               `json:"customer_name"`
	DeviceType      string               `json:"device_type"`
	IntendedUse     string               `json:"intended_use"`
	TargetMarket    string               `json:"target_market"`
	Fields          map[string]string    `json:"fields,omitempty"`
	Materials       []MaterialInput      `json:"materials,omitempty"`
	Backend         string               `json:"backend,omitempty"`
	Timeout         time.Duration        `json:"timeout,omitempty"`
	WorkDir         string               `json:"work_dir,omitempty"`
	AutoRepair      bool                 `json:"auto_repair,omitempty"`
	PriorDocs       []squad.PriorDocItem `json:"prior_docs,omitempty"`
	KnowledgeHits   []squad.KnowledgeHit `json:"knowledge_hits,omitempty"`
	SessionID       string               `json:"session_id,omitempty"`
	UserID          int64                `json:"user_id,omitempty"`
	ProjectID       int64                `json:"project_id,omitempty"`
	ClientTurnID    string               `json:"client_turn_id,omitempty"`
	RunID           string               `json:"run_id,omitempty"`
	DocID           string               `json:"doc_id,omitempty"`
	AuthorID        int64                `json:"author_id,omitempty"`
	AuthorName      string               `json:"author_name,omitempty"`
	ReviewerID      int64                `json:"reviewer_id,omitempty"`
	ReviewerName    string               `json:"reviewer_name,omitempty"`
	ApproverID      int64                `json:"approver_id,omitempty"`
	ApproverName    string               `json:"approver_name,omitempty"`
	ForceDirectEdit bool                 `json:"force_direct_edit,omitempty"`
}

// StageRunResult 成熟度阶段执行结果（双轨交付：A轨合规文档 + B轨业务参谋锦囊）
type StageRunResult struct {
	Stage           MaturityStage    `json:"stage"`
	StageTitle      string           `json:"stage_title"`
	PrimaryArtifact *TaskRunResult   `json:"primary_artifact"`
	SubArtifacts    []*TaskRunResult `json:"sub_artifacts,omitempty"`
	AdvisorBrief    *AdvisorBriefing `json:"advisor_brief,omitempty"`
	Duration        time.Duration    `json:"duration"`
	Success         bool             `json:"success"`
	WorkDir         string           `json:"work_dir"`
	ErrorReason     string           `json:"error_reason,omitempty"`
	// Pending* mirror the blocking high-risk candidate that stopped the stage chain
	// (no ExtractedData / PriorDoc absorption from that candidate).
	PendingAgentCandidateID int64  `json:"pending_agent_candidate_id,omitempty"`
	PendingChangeReportID   int64  `json:"pending_change_report_id,omitempty"`
	PendingRiskLevel        string `json:"pending_risk_level,omitempty"`
}

type BizdevService interface {
	ListTasks() []TaskMeta
	ListStages() []StageMeta
	ExecuteTask(ctx context.Context, req TaskRunRequest) (*TaskRunResult, error)
	ExecuteStage(ctx context.Context, req StageRunRequest) (*StageRunResult, error)
	InspectWorkspace(ctx context.Context, workDir string) (*squad.WorkspaceState, error)
	ResumeOrModifyWorkspace(ctx context.Context, req squad.ModifyWorkflowRequest) (*squad.SquadRunResult, error)
}