<?php

namespace Kanboard\Plugin\OrganonTweaks\Controller;

use Kanboard\Controller\BaseController;
use Kanboard\Core\Controller\AccessForbiddenException;
use Kanboard\Model\TaskModel;
use Kanboard\Plugin\OrganonTweaks\Helper\OrganonDoneHelper;

/**
 * Toggle a task's Done/Todo badge (OrganonTweaks).
 *
 * One-click CSRF link from the board card face and the task view. Single source of truth per mode:
 *   - close-mode on:  Done == closed, so this just closes/opens the task (no metadata); native
 *     Close/Open stay in sync automatically because the badge reads is_active.
 *   - close-mode off: this flips the 'organon_done' metadata marker and never touches open/closed.
 * Redirects back to wherever it was clicked (board or task view).
 *
 * Also provides the per-column bulk action (confirmColumn opens a two-button modal; markColumn sets
 * EVERY task in the column+swimlane to the chosen state -- overwrite, not a per-task toggle).
 */
class DoneController extends BaseController
{
    public function toggle()
    {
        $task = $this->getTask();
        $this->checkCSRFParam();

        $helper = new OrganonDoneHelper($this->container);
        $done = $helper->isDone($task);

        if ($helper->closesTask()) {
            if ($done) {
                $this->taskStatusModel->open($task['id']);
            } else {
                $this->taskStatusModel->close($task['id']);
            }
        } else {
            if ($done) {
                $this->taskMetadataModel->remove($task['id'], OrganonDoneHelper::DONE_KEY);
            } else {
                $this->taskMetadataModel->save($task['id'], array(OrganonDoneHelper::DONE_KEY => 'on'));
            }
        }

        if ($this->request->getStringParam('from') === 'board') {
            $this->response->redirect($this->helper->url->to('BoardViewController', 'show', array('project_id' => $task['project_id'])), true);
        } else {
            $this->response->redirect($this->helper->url->to('TaskViewController', 'show', array('task_id' => $task['id'])), true);
        }
    }

    /**
     * Open the "Mark all as Done/Todo" modal for a column: one modal that both confirms and lets the
     * user pick the direction (two buttons). No state is tracked -- the direction is chosen here.
     */
    public function confirmColumn()
    {
        $project = $this->getProject();
        $this->checkColumnWriteAccess($project['id']);

        $this->response->html($this->template->render('organonTweaks:board/mark_all_confirm', array(
            'project_id' => $project['id'],
            'column_id' => $this->request->getIntegerParam('column_id'),
            'swimlane_id' => $this->request->getIntegerParam('swimlane_id'),
        )));
    }

    /**
     * Set EVERY task in the column+swimlane to Done or Todo (direction param). Overwrites uniformly --
     * already-done tasks are harmlessly re-set. Mode-aware, like the badge: close-mode closes/opens
     * all; marker-mode sets/clears the metadata on all.
     */
    public function markColumn()
    {
        $project = $this->getProject();
        $this->checkColumnWriteAccess($project['id']);
        $this->checkCSRFParam();

        $column_id = $this->request->getIntegerParam('column_id');
        $swimlane_id = $this->request->getIntegerParam('swimlane_id');
        $done = $this->request->getStringParam('direction') === 'done';

        $helper = new OrganonDoneHelper($this->container);
        $closes = $helper->closesTask();

        $tasks = $this->db->table(TaskModel::TABLE)
            ->columns('id')
            ->eq('project_id', $project['id'])
            ->eq('column_id', $column_id)
            ->eq('swimlane_id', $swimlane_id)
            ->findAll();

        foreach ($tasks as $task) {
            if ($closes) {
                $done ? $this->taskStatusModel->close($task['id']) : $this->taskStatusModel->open($task['id']);
            } elseif ($done) {
                $this->taskMetadataModel->save($task['id'], array(OrganonDoneHelper::DONE_KEY => 'on'));
            } else {
                $this->taskMetadataModel->remove($task['id'], OrganonDoneHelper::DONE_KEY);
            }
        }

        $this->flash->success(t('All tasks updated.'));
        $this->response->redirect($this->helper->url->to('BoardViewController', 'show', array('project_id' => $project['id'])), true);
    }

    /**
     * Guard the bulk action to users who may modify tasks on this board (the menu item is already
     * gated the same way; this backstops a direct request).
     */
    private function checkColumnWriteAccess($project_id)
    {
        if (! $this->helper->user->hasProjectAccess('TaskModificationController', 'update', $project_id)) {
            throw new AccessForbiddenException();
        }
    }
}