from __future__ import annotations

import unittest
from html.parser import HTMLParser
from pathlib import Path


PROJECT_ROOT = Path(__file__).resolve().parents[1]
STATIC_ROOT = PROJECT_ROOT / "arr_web" / "static"


class DailyVisualStaticContractTests(unittest.TestCase):
    @classmethod
    def setUpClass(cls) -> None:
        cls.html = (STATIC_ROOT / "index.html").read_text(encoding="utf-8")
        cls.styles = (STATIC_ROOT / "styles.css").read_text(encoding="utf-8")

    def test_daily_workspace_uses_one_clear_history_title(self) -> None:
        self.assertIn('<span class="brand-name">ARR Report</span>', self.html)
        self.assertIn('<h2 id="daily-history-title">Daily Report</h2>', self.html)
        self.assertNotIn('<h1 class="daily-title">Daily Report</h1>', self.html)
        self.assertNotIn('class="daily-section-heading"', self.html)
        self.assertNotIn("THIS MONTH", self.html)
        self.assertNotIn("日报处理记录", self.html)
        self.assertIn("font-size: clamp(20px, 1.75vw, 24px)", self.styles)

    def test_task_log_utility_is_a_low_emphasis_link(self) -> None:
        self.assertIn('<a class="task-log-link"', self.html)
        self.assertIn("font-size: 12px", self.styles)
        self.assertIn(".task-log-link:hover", self.styles)
        self.assertIn(".task-log-link:active", self.styles)

    def test_daily_overview_places_upload_and_metrics_in_one_grid(self) -> None:
        overview_start = self.html.index('<section class="daily-overview"')
        overview_end = self.html.index('</section>\n\n        <section class="panel table-panel"', overview_start)
        overview_markup = self.html[overview_start:overview_end]
        self.assertIn('id="upload-title"', overview_markup)
        self.assertLess(overview_markup.index('id="arr-download-title"'), overview_markup.index('id="upload-title"'))
        for metric_id in ('id="metric-arrival"', 'id="metric-duration"', 'id="metric-rooms"'):
            self.assertIn(metric_id, overview_markup)
        self.assertLess(overview_markup.index('id="upload-title"'), overview_markup.index('id="metric-arrival"'))
        self.assertLess(overview_markup.index('id="metric-arrival"'), overview_markup.index('id="metric-duration"'))
        self.assertLess(overview_markup.index('id="metric-duration"'), overview_markup.index('id="metric-rooms"'))
        self.assertIn(
            'class="daily-overview" aria-label="日报处理概览"',
            overview_markup,
        )
        self.assertIn(
            ".daily-overview { display: grid; grid-template-columns: minmax(240px, 1.25fr) minmax(280px, 1.45fr) repeat(3, minmax(0, .8fr));",
            self.styles,
        )
        self.assertIn(".daily-overview > .metric-card", self.styles)
        self.assertIn(
            ".daily-overview > .metric-card { align-self: stretch; display: flex; flex-direction: column; justify-content: center; height: auto; min-height: 0;",
            self.styles,
        )
        self.assertIn(".daily-overview > .metric-card::after", self.styles)
        self.assertNotIn("width: max-content", self.styles)
        self.assertIn("height: auto; min-height: 0", self.styles)
        self.assertIn(".daily-overview { grid-template-columns: 1fr;", self.styles)
        self.assertIn("@media (min-width: 701px)", self.styles)
        self.assertIn(".daily-overview .dropzone {", self.styles)
        self.assertIn("grid-template-columns: 28px minmax(0, 1fr)", self.styles)
        self.assertIn("min-height: 72px", self.styles)
        self.assertIn(".daily-overview .upload-footer", self.styles)
        self.assertIn("min-height: 44px", self.styles)
        self.assertIn("min-width: 96px", self.styles)

    def test_upload_panel_has_compact_action_footer(self) -> None:
        self.assertIn('class="panel-heading upload-heading"', self.html)
        self.assertIn('class="upload-footer"', self.html)
        self.assertIn(".upload-panel .primary-button", self.styles)
        self.assertIn("min-width: 118px", self.styles)
        self.assertNotIn("width: calc(100% - 48px)", self.styles)

    def test_download_card_exposes_accessible_retrieval_progress_with_reduced_motion(self) -> None:
        start = self.html.index('id="arr-acquisition-progress"')
        end = self.html.index('<div class="arr-download-actions">', start)
        progress = self.html[start:end]
        self.assertLess(self.html.index('id="arr-download-status"'), start)
        self.assertIn('role="progressbar"', progress)
        self.assertIn('aria-labelledby="arr-acquisition-label"', progress)
        self.assertIn('aria-describedby="arr-acquisition-detail"', progress)
        self.assertIn('aria-valuemin="0" aria-valuemax="100"', progress)
        self.assertNotIn('aria-valuenow=', progress)
        self.assertIn('@media (prefers-reduced-motion: reduce)', self.styles)
        self.assertIn('.arr-acquisition-track.is-indeterminate > span { animation: none; }', self.styles)

    def test_review_dates_are_independent_and_both_review_bodies_share_one_workspace(self) -> None:
        class Regions(HTMLParser):
            def __init__(self) -> None:
                super().__init__()
                self.stack = []
                self.parents = {}

            def handle_starttag(self, tag, attrs):
                element_id = dict(attrs).get("id")
                if element_id:
                    self.parents[element_id] = [item[1] for item in self.stack if item[1]]
                if tag not in {"area", "base", "br", "col", "embed", "hr", "img", "input", "link", "meta", "param", "source", "track", "wbr"}:
                    self.stack.append((tag, element_id))

            def handle_endtag(self, tag):
                for index in range(len(self.stack) - 1, -1, -1):
                    if self.stack[index][0] == tag:
                        del self.stack[index:]
                        break

        regions = Regions()
        regions.feed(self.html)
        dates = regions.parents["arr-download-pending"]
        self.assertNotIn("arr-download-form", dates)
        self.assertNotIn("arr-data-review-panel", dates)
        self.assertNotIn("manual-review-workspace", dates)
        for body_id in ("arr-data-review-panel", "daily-price-review-panel"):
            self.assertIn("manual-review-workspace", regions.parents[body_id])
        self.assertLess(self.html.index('id="arr-download-pending"'), self.html.index('id="manual-review-workspace"'))
        self.assertEqual(self.html.count('<h2 id="manual-review-title">人工核对</h2>'), 1)
        self.assertIn('<h2 id="arr-download-pending-title">需处理日期</h2>', self.html)
        self.assertNotIn('<h2 id="daily-price-review-title">', self.html)
        self.assertNotIn('<h2 id="arr-data-review-title">', self.html)

    def test_removed_upload_labels_do_not_return(self) -> None:
        upload_start = self.html.index('class="panel upload-panel"')
        upload_end = self.html.index("</section>", upload_start)
        upload_markup = self.html[upload_start:upload_end]
        self.assertNotIn("本月留痕", upload_markup)
        self.assertNotIn("01 / UPLOAD", upload_markup)


if __name__ == "__main__":
    unittest.main(verbosity=2)