import type { Project, Task, ApprovalRecord, Run, Event, TaskResult, Autonomy } from '../model/types.js';
import type { Complexity } from '../model/complexity.js';
import type { TaskStatus, GateKind } from '../model/status.js';
import type { RunKind, RunStatus, EventType } from '../model/types.js';

/** SQLite 行类型（snake_case，文本/数字原样） */
export interface ProjectRow {
  id: string; name: string; repo_path: string; default_branch: string;
  verify_cmd: string | null; autonomy: string; model: string | null;
  concurrency: number; status: string; created_at: string;
  last_sync_at: string | null;
}
export interface TaskRow {
  id: string; project_id: string; parent_id: string | null; depth: number;
  title: string; complexity: string; status: string; priority: number;
  deps: string; plan: string | null; spec: string | null; operations: string | null;
  result: string | null; assignee: string | null; created_at: string; updated_at: string;
  source_ref: string | null;
}
export interface ApprovalRow {
  id: string; task_id: string; gate: string; action: string;
  actor: string; reason: string | null; at: string;
}
export interface RunRow {
  id: string; task_id: string; kind: string; worktree: string | null; branch: string | null;
  status: string; started_at: string; ended_at: string | null;
  transcript_ref: string | null; claude_session_id: string | null; error: string | null;
}
export interface EventRow {
  id: string; project_id: string; task_id: string | null; type: string; payload: string; at: string;
}

export function rowToProject(r: ProjectRow): Project {
  return {
    id: r.id, name: r.name, repoPath: r.repo_path, defaultBranch: r.default_branch,
    verifyCmd: r.verify_cmd, autonomy: r.autonomy as Autonomy, model: r.model,
    concurrency: r.concurrency, status: r.status as Project['status'], createdAt: r.created_at,
    lastSyncAt: r.last_sync_at,
  };
}

export function rowToTask(r: TaskRow, approvals: ApprovalRecord[] = []): Task {
  return {
    id: r.id, projectId: r.project_id, parentId: r.parent_id, depth: r.depth,
    title: r.title, complexity: r.complexity as Complexity, status: r.status as TaskStatus,
    priority: r.priority, deps: JSON.parse(r.deps) as string[],
    plan: r.plan, spec: r.spec, operations: r.operations,
    approvals, result: r.result ? (JSON.parse(r.result) as TaskResult) : null,
    assignee: r.assignee as Task['assignee'], createdAt: r.created_at, updatedAt: r.updated_at,
  };
}

export function rowToApproval(r: ApprovalRow): ApprovalRecord {
  return {
    gate: r.gate as GateKind, action: r.action as ApprovalRecord['action'],
    actor: r.actor, reason: r.reason, at: r.at,
  };
}

export function rowToRun(r: RunRow): Run {
  return {
    id: r.id, taskId: r.task_id, kind: r.kind as RunKind,
    worktree: r.worktree, branch: r.branch, status: r.status as RunStatus,
    startedAt: r.started_at, endedAt: r.ended_at,
    transcriptRef: r.transcript_ref, claudeSessionId: r.claude_session_id, error: r.error,
  };
}

export function rowToEvent(r: EventRow): Event {
  return {
    id: r.id, projectId: r.project_id, taskId: r.task_id,
    type: r.type as EventType, payload: JSON.parse(r.payload) as Record<string, unknown>, at: r.at,
  };
}