// Tool definitions for task-mcp

export const toolDefinitions = [
  // CRUD Tools
  {
    name: 'task_add',
    description: 'Create a new task with auto-generated ID and semantic embedding',
    inputSchema: {
      type: 'object',
      properties: {
        title: { type: 'string', description: 'Task title (required)' },
        project: { type: 'string', description: 'Project key (e.g., ST, VPN). Auto-detected from CWD if not provided.' },
        type: { type: 'string', enum: ['task', 'bug', 'feature', 'debt'], description: 'Task type (default: task)' },
        priority: { type: 'string', enum: ['P0', 'P1', 'P2', 'P3'], description: 'Priority level (default: P2)' },
        description: { type: 'string', description: 'Optional description' },
      },
      required: ['title'],
    },
  },
  {
    name: 'task_list',
    description: 'List tasks with optional filters',
    inputSchema: {
      type: 'object',
      properties: {
        project: { type: 'string', description: 'Filter by project key' },
        status: { type: 'string', enum: ['open', 'in_progress', 'testing', 'blocked', 'completed'], description: 'Filter by status' },
        type: { type: 'string', enum: ['task', 'bug', 'feature', 'debt'], description: 'Filter by type' },
        priority: { type: 'string', enum: ['P0', 'P1', 'P2', 'P3'], description: 'Filter by priority' },
        limit: { type: 'number', description: 'Max results (default: 20)' },
      },
    },
  },
  {
    name: 'task_show',
    description: 'Show task details including checklist and dependencies',
    inputSchema: {
      type: 'object',
      properties: {
        id: { type: 'string', description: 'Task ID (e.g., ST-1, VPN-45)' },
      },
      required: ['id'],
    },
  },
  {
    name: 'task_close',
    description: 'Mark a task as completed',
    inputSchema: {
      type: 'object',
      properties: {
        id: { type: 'string', description: 'Task ID to close' },
      },
      required: ['id'],
    },
  },
  {
    name: 'task_update',
    description: 'Update task fields (status, priority, type, title)',
    inputSchema: {
      type: 'object',
      properties: {
        id: { type: 'string', description: 'Task ID to update' },
        status: { type: 'string', enum: ['open', 'in_progress', 'testing', 'blocked', 'completed'], description: 'New status' },
        priority: { type: 'string', enum: ['P0', 'P1', 'P2', 'P3'], description: 'New priority' },
        type: { type: 'string', enum: ['task', 'bug', 'feature', 'debt'], description: 'New type' },
        title: { type: 'string', description: 'New title' },
      },
      required: ['id'],
    },
  },

  // Semantic Search Tools
  {
    name: 'task_similar',
    description: 'Find semantically similar tasks using pgvector',
    inputSchema: {
      type: 'object',
      properties: {
        query: { type: 'string', description: 'Search query' },
        project: { type: 'string', description: 'Filter by project (optional)' },
        limit: { type: 'number', description: 'Max results (default: 5)' },
      },
      required: ['query'],
    },
  },
  {
    name: 'task_context',
    description: 'Get related tasks for current work context (useful for delegations)',
    inputSchema: {
      type: 'object',
      properties: {
        description: { type: 'string', description: 'Description of current work' },
        project: { type: 'string', description: 'Current project' },
        limit: { type: 'number', description: 'Max related tasks (default: 3)' },
      },
      required: ['description'],
    },
  },

  // Relation Tools
  {
    name: 'task_link',
    description: 'Create dependency between tasks',
    inputSchema: {
      type: 'object',
      properties: {
        from_id: { type: 'string', description: 'Source task ID' },
        to_id: { type: 'string', description: 'Target task ID' },
        link_type: { type: 'string', enum: ['blocks', 'relates_to', 'duplicates'], description: 'Relationship type' },
      },
      required: ['from_id', 'to_id', 'link_type'],
    },
  },
  {
    name: 'task_checklist_add',
    description: 'Add a checklist item to a task',
    inputSchema: {
      type: 'object',
      properties: {
        task_id: { type: 'string', description: 'Task ID' },
        item: { type: 'string', description: 'Checklist item text' },
      },
      required: ['task_id', 'item'],
    },
  },
  {
    name: 'task_checklist_toggle',
    description: 'Toggle a checklist item (check/uncheck)',
    inputSchema: {
      type: 'object',
      properties: {
        item_id: { type: 'number', description: 'Checklist item ID' },
        checked: { type: 'boolean', description: 'New checked state' },
      },
      required: ['item_id', 'checked'],
    },
  },
  {
    name: 'task_resolve_duplicate',
    description: 'Resolve a duplicate issue by closing it and linking to the dominant issue',
    inputSchema: {
      type: 'object',
      properties: {
        duplicate_id: { type: 'string', description: 'The duplicate task ID to close' },
        dominant_id: { type: 'string', description: 'The dominant/original task ID to keep' },
      },
      required: ['duplicate_id', 'dominant_id'],
    },
  },

  // Epic Tools
  {
    name: 'epic_add',
    description: 'Create a new epic (session-scoped work bundle) with auto-generated ID',
    inputSchema: {
      type: 'object',
      properties: {
        title: { type: 'string', description: 'Epic title (required)' },
        project: { type: 'string', description: 'Project key (e.g., VPN, ST). Auto-detected if not provided.' },
        description: { type: 'string', description: 'Optional description of the epic scope' },
      },
      required: ['title'],
    },
  },
  {
    name: 'epic_list',
    description: 'List epics with task counts and progress',
    inputSchema: {
      type: 'object',
      properties: {
        project: { type: 'string', description: 'Filter by project key' },
        status: { type: 'string', enum: ['open', 'in_progress', 'completed'], description: 'Filter by status' },
        limit: { type: 'number', description: 'Max results (default: 20)' },
      },
    },
  },
  {
    name: 'epic_show',
    description: 'Show epic details with all assigned tasks',
    inputSchema: {
      type: 'object',
      properties: {
        id: { type: 'string', description: 'Epic ID (e.g., VPN-E1, ST-E3)' },
      },
      required: ['id'],
    },
  },
  {
    name: 'epic_assign',
    description: 'Assign a task to an epic',
    inputSchema: {
      type: 'object',
      properties: {
        task_id: { type: 'string', description: 'Task ID to assign' },
        epic_id: { type: 'string', description: 'Epic ID to assign to' },
      },
      required: ['task_id', 'epic_id'],
    },
  },
];