const express = require('express');
const router  = express.Router();
const ctrl        = require('../../controllers/client/courses.controller');
const progressCtrl = require('../../controllers/client/course_reading_progress.controller');

// Course categories for filter chips — must come before /:courseId
router.get('/categories', ctrl.getCategories);

// Profile learning progress card — must come before /:courseId
router.get('/in-progress', progressCtrl.getMyInProgressCourses);

// Live view of every completed lesson/unit/course — must come before /:courseId
router.get('/completed', progressCtrl.getMyCompletedContent);

// UUID lookups (task requirement blocks — must come before /:courseId)
router.get('/uuid/:uuid', ctrl.getCourseByUuid);
router.get('/unit/uuid/:uuid/lessons', ctrl.getLessonsByUnitUuid);
router.get('/unit/uuid/:uuid/task-context', progressCtrl.getUnitTaskContext);
router.get('/unit/uuid/:uuid', ctrl.getUnitByUuid);
router.get('/lesson/uuid/:uuid/task-context', progressCtrl.getLessonTaskContext);
router.get('/lesson/uuid/:uuid', ctrl.getLessonByUuid);
router.get('/quiz/uuid/:uuid', ctrl.getQuizByUuid);

// Courses
router.get('/', ctrl.getCourses);
router.get('/:courseId', ctrl.getCourse);

// Unit
router.get('/:courseId/units/:unitId', ctrl.getUnit);

// Lesson
router.get('/:courseId/units/:unitId/lessons/:lessonId', ctrl.getLesson);

// Quiz (no answers)
router.get('/:courseId/units/:unitId/quiz', ctrl.getUnitQuiz);

// Assessment
router.get( '/:courseId/assessment',                              ctrl.getCourseAssessment);
router.post('/:courseId/assessment/:assessmentId/start',          ctrl.startCourseAssessment);
router.get( '/:courseId/assessment/:assessmentId/session',        ctrl.getAssessmentSession);
router.patch('/:courseId/assessment/:assessmentId/draft',         ctrl.saveDraft);

router.patch('/:courseId/units/:unitId/quiz/:quizId/draft',  ctrl.saveQuizDraft);
router.post('/:courseId/units/:unitId/quiz/:quizId/submit',  ctrl.submitUnitQuiz);
router.post('/:courseId/assessment/:assessmentId/submit',    ctrl.submitCourseAssessment);

// Reading progress
router.get( '/:courseId/progress/summary',                                  progressCtrl.getCourseProgressSummary);
router.get( '/:courseId/progress',                                          progressCtrl.getCourseProgress);
router.get( '/:courseId/task-context',                                      progressCtrl.getCourseTaskContext);
router.post('/:courseId/units/:unitId/lessons/:lessonId/progress',          progressCtrl.upsertLessonProgress);
router.post('/:courseId/units/:unitId/lessons/:lessonId/watch-progress',    progressCtrl.upsertWatchProgress);
router.post('/:courseId/units/:unitId/lessons/:lessonId/mark-complete',     progressCtrl.markLessonComplete);

module.exports = router;