// Zoho Tasks Plugin v2.2.0
// EU data center: accounts.zoho.eu
// Action-based tool surface, mirroring the ShadowMan C++ builtin style
// (see manage_mcp, kb, skill, office etc. — one tool per resource, with
// an `action` enum that picks a sub-operation).

var auth = require('./lib/auth');
var tasks = require('./lib/tasks');

shadowman.log.info('Zoho Tasks plugin v2.2.0 loaded');

function requireAuth() {
    var token = auth.getValidToken();
    if (!token) return { token: null, error: 'Not authenticated. Run zoho_auth action=setup with a grant token first.' };
    return { token: token };
}

function missing(field) { return { error: 'Missing ' + field + ' parameter' }; }

// ────────────────────────────────────────────────────────────────────────
// zoho_auth — actions: setup, status, resolve_portal
// ────────────────────────────────────────────────────────────────────────
shadowman.tools.register('zoho_auth', function(args, context) {
    var action = args.action;
    if (!action) return missing('action');

    if (action === 'setup') {
        if (!args.grant_token) return missing('grant_token');
        shadowman.storage.set('auth_conversation_id', context.conversationId);
        return auth.setupAuth(args.grant_token);
    }
    if (action === 'status') {
        return auth.getStatus();
    }
    if (action === 'resolve_portal') {
        var a = requireAuth(); if (a.error) return { error: a.error };
        return auth.resolvePortal(a.token, args);
    }
    return { error: 'Unknown action: ' + action };
});

// ────────────────────────────────────────────────────────────────────────
// zoho_project — actions: list, get, users, statuses
// ────────────────────────────────────────────────────────────────────────
shadowman.tools.register('zoho_project', function(args) {
    var a = requireAuth(); if (a.error) return { error: a.error };
    var action = args.action;
    if (!action) return missing('action');

    if (action === 'list') {
        return tasks.listProjects(a.token, args.index || 1);
    }
    if (action === 'get') {
        if (!args.project_id) return missing('project_id');
        return tasks.getProject(a.token, args.project_id);
    }
    if (action === 'users') {
        return tasks.listUsers(a.token, args);
    }
    if (action === 'statuses') {
        if (!args.project_id) return missing('project_id');
        return tasks.listTaskStatuses(a.token, args.project_id);
    }
    return { error: 'Unknown action: ' + action };
});

// ────────────────────────────────────────────────────────────────────────
// zoho_task — actions: list, get, create, update, delete, subtasks, my, search
// ────────────────────────────────────────────────────────────────────────
shadowman.tools.register('zoho_task', function(args) {
    var a = requireAuth(); if (a.error) return { error: a.error };
    var action = args.action;
    if (!action) return missing('action');

    if (action === 'my') {
        return tasks.getMyTasks(a.token, args);
    }
    if (action === 'search') {
        if (!args.query) return missing('query');
        return tasks.searchTasks(a.token, args);
    }

    if (!args.project_id) return missing('project_id');

    if (action === 'list') {
        return tasks.listTasks(a.token, args.project_id, args);
    }
    if (action === 'get') {
        if (!args.task_id) return missing('task_id');
        return tasks.getTask(a.token, args.project_id, args.task_id);
    }
    if (action === 'create') {
        if (!args.name) return missing('name');
        return tasks.createTask(a.token, args.project_id, args);
    }
    if (action === 'update') {
        if (!args.task_id) return missing('task_id');
        return tasks.updateTask(a.token, args.project_id, args.task_id, args);
    }
    if (action === 'delete') {
        if (!args.task_id) return missing('task_id');
        return tasks.deleteTask(a.token, args.project_id, args.task_id);
    }
    if (action === 'subtasks') {
        if (!args.task_id) return missing('task_id');
        return tasks.listSubtasks(a.token, args.project_id, args.task_id);
    }
    return { error: 'Unknown action: ' + action };
});

// ────────────────────────────────────────────────────────────────────────
// zoho_comment — actions: list, add, update, delete
// ────────────────────────────────────────────────────────────────────────
shadowman.tools.register('zoho_comment', function(args) {
    var a = requireAuth(); if (a.error) return { error: a.error };
    var action = args.action;
    if (!action) return missing('action');
    if (!args.project_id) return missing('project_id');
    if (!args.task_id) return missing('task_id');

    if (action === 'list') {
        return tasks.listComments(a.token, args.project_id, args.task_id, args.index);
    }
    if (action === 'add') {
        if (!args.content) return missing('content');
        return tasks.addComment(a.token, args.project_id, args.task_id, args.content);
    }
    if (action === 'update') {
        if (!args.comment_id) return missing('comment_id');
        if (!args.content) return missing('content');
        return tasks.updateComment(a.token, args.project_id, args.task_id, args.comment_id, args.content);
    }
    if (action === 'delete') {
        if (!args.comment_id) return missing('comment_id');
        return tasks.deleteComment(a.token, args.project_id, args.task_id, args.comment_id);
    }
    return { error: 'Unknown action: ' + action };
});

// ────────────────────────────────────────────────────────────────────────
// zoho_milestone — actions: list, create, update, delete
// ────────────────────────────────────────────────────────────────────────
shadowman.tools.register('zoho_milestone', function(args) {
    var a = requireAuth(); if (a.error) return { error: a.error };
    var action = args.action;
    if (!action) return missing('action');
    if (!args.project_id) return missing('project_id');

    if (action === 'list') {
        return tasks.listMilestones(a.token, args.project_id, args);
    }
    if (action === 'create') {
        if (!args.name) return missing('name');
        return tasks.createMilestone(a.token, args.project_id, args);
    }
    if (action === 'update') {
        if (!args.milestone_id) return missing('milestone_id');
        return tasks.updateMilestone(a.token, args.project_id, args.milestone_id, args);
    }
    if (action === 'delete') {
        if (!args.milestone_id) return missing('milestone_id');
        return tasks.deleteMilestone(a.token, args.project_id, args.milestone_id);
    }
    return { error: 'Unknown action: ' + action };
});

// ────────────────────────────────────────────────────────────────────────
// zoho_tasklist — actions: list, get, create, update, delete
// ────────────────────────────────────────────────────────────────────────
shadowman.tools.register('zoho_tasklist', function(args) {
    var a = requireAuth(); if (a.error) return { error: a.error };
    var action = args.action;
    if (!action) return missing('action');

    if (action === 'list') {
        return tasks.listTasklists(a.token, args.project_id, args);
    }

    if (!args.project_id) return missing('project_id');

    if (action === 'get') {
        if (!args.tasklist_id) return missing('tasklist_id');
        return tasks.getTasklist(a.token, args.project_id, args.tasklist_id);
    }
    if (action === 'create') {
        if (!args.name) return missing('name');
        return tasks.createTasklist(a.token, args.project_id, args);
    }
    if (action === 'update') {
        if (!args.tasklist_id) return missing('tasklist_id');
        return tasks.updateTasklist(a.token, args.project_id, args.tasklist_id, args);
    }
    if (action === 'delete') {
        if (!args.tasklist_id) return missing('tasklist_id');
        return tasks.deleteTasklist(a.token, args.project_id, args.tasklist_id);
    }
    return { error: 'Unknown action: ' + action };
});

// ────────────────────────────────────────────────────────────────────────
// zoho_timesheet — actions: list, create, update, delete
// ────────────────────────────────────────────────────────────────────────
shadowman.tools.register('zoho_timesheet', function(args) {
    var a = requireAuth(); if (a.error) return { error: a.error };
    var action = args.action;
    if (!action) return missing('action');
    if (!args.project_id) return missing('project_id');

    if (action === 'list') {
        return tasks.listTimesheets(a.token, args.project_id, args);
    }
    if (action === 'create') {
        if (!args.task_id) return missing('task_id');
        if (args.hours === undefined) return missing('hours');
        return tasks.logTime(a.token, args.project_id, args);
    }
    if (action === 'update') {
        if (!args.log_id) return missing('log_id');
        return tasks.updateTimesheet(a.token, args.project_id, args.log_id, args);
    }
    if (action === 'delete') {
        if (!args.log_id) return missing('log_id');
        return tasks.deleteTimesheet(a.token, args.project_id, args.log_id);
    }
    return { error: 'Unknown action: ' + action };
});