import json
import subprocess
from pathlib import Path

import pytest

from src.views import dashboard


MY_WORK = Path(__file__).parents[1] / "frontend" / "my-work.js"
REVIEW_SHEET = Path(__file__).parents[1] / "frontend" / "review-sheet.js"


def test_my_work_queue_prioritizes_labels_then_reviews_and_keeps_repo_identity():
    payload = {
        "user": {"login": "timmy"},
        "issues": [
            {
                "id": 1,
                "number": 7,
                "title": "Assigned issue",
                "state": "open",
                "repository": "stackchain/mobile",
                "labels": [],
                "assignees": ["timmy"],
                "updated_at": "2026-08-06T12:00:00Z",
                "url": "https://forge.example/mobile/issues/7",
            },
            {
                "id": 2,
                "number": 7,
                "title": "Priority issue",
                "state": "open",
                "repository": "stackchain/api",
                "labels": ["P0"],
                "assignees": [],
                "updated_at": "2026-08-06T11:00:00Z",
                "url": "https://forge.example/api/issues/7",
            },
        ],
        "pull_requests": [
            {
                "id": 3,
                "number": 4,
                "title": "Review PR",
                "state": "open",
                "repository": "stackchain/web",
                "work_reasons": ["review_requested"],
                "updated_at": "2026-08-06T13:00:00Z",
                "url": "https://forge.example/web/pulls/4",
            }
        ],
    }
    script = f"""
const buildMyWork = require({json.dumps(str(MY_WORK))});
const queue = buildMyWork({json.dumps(payload)});
process.stdout.write(JSON.stringify(queue));
"""

    result = subprocess.run(
        ["node", "-e", script], check=True, capture_output=True, text=True
    )
    queue = json.loads(result.stdout)

    assert [item["title"] for item in queue] == [
        "Priority issue",
        "Review PR",
        "Assigned issue",
    ]
    assert queue[0]["key"] == "stackchain/api#7"
    assert queue[0]["reason"] == "P0 priority"
    assert queue[1]["reason"] == "Needs your review"
    assert queue[1]["is_review"] is True
    assert queue[2]["reason"] == "Assigned to you"


def test_my_work_reviews_filter_and_summary_are_actionable():
    items = [
        {"title": "Issue", "kind": "issue", "is_review": False, "is_assigned": True},
        {"title": "Assigned PR", "kind": "pull", "is_review": False, "is_assigned": True},
        {"title": "Review PR", "kind": "pull", "is_review": True, "is_assigned": False},
    ]
    script = f"""
const buildMyWork = require({json.dumps(str(MY_WORK))});
const items = {json.dumps(items)};
process.stdout.write(JSON.stringify({{
  reviews: buildMyWork.filterMyWork(items, 'review'),
  summary: buildMyWork.summarizeMyWork(items),
}}));
"""

    result = subprocess.run(
        ["node", "-e", script], check=True, capture_output=True, text=True
    )
    output = json.loads(result.stdout)

    assert [item["title"] for item in output["reviews"]] == ["Review PR"]
    assert output["summary"] == "1 review · 2 assigned"


def test_my_work_filter_counts_distinguish_prs_from_review_requests():
    items = [
        {"kind": "issue", "is_review": False},
        {"kind": "pull", "is_review": False},
        {"kind": "pull", "is_review": True},
    ]
    script = f"""
const buildMyWork = require({json.dumps(str(MY_WORK))});
process.stdout.write(JSON.stringify(buildMyWork.countMyWork({json.dumps(items)})));
"""

    result = subprocess.run(
        ["node", "-e", script], check=True, capture_output=True, text=True
    )

    assert json.loads(result.stdout) == {"all": 3, "issue": 1, "pull": 1, "review": 1, "update": 0}


def test_unread_updates_enrich_matching_work_and_keep_unassigned_mentions_actionable():
    payload = {
        "user": {"login": "timmy"},
        "issues": [{
            "id": 1, "number": 7, "title": "Assigned issue", "repository": "stackchain/api",
            "labels": [], "assignees": ["timmy"], "updated_at": "2026-08-06T10:00:00Z",
            "url": "https://forge.example/stackchain/api/issues/7",
        }],
        "pull_requests": [],
        "notifications": [
            {
                "id": 42, "number": 7, "title": "Assigned issue", "repository": "stackchain/api",
                "subject_type": "Issue", "unread": True, "updated_at": "2026-08-06T12:00:00Z",
                "url": "https://forge.example/stackchain/api/issues/7#issuecomment-9",
            },
            {
                "id": 43, "number": 8, "title": "Mention only", "repository": "stackchain/web",
                "subject_type": "Issue", "unread": True, "updated_at": "2026-08-06T13:00:00Z",
                "url": "https://forge.example/stackchain/web/issues/8#issuecomment-2",
            },
        ],
    }
    script = f"""
const buildMyWork = require({json.dumps(str(MY_WORK))});
const queue = buildMyWork({json.dumps(payload)});
process.stdout.write(JSON.stringify({{
  queue,
  updates: buildMyWork.filterMyWork(queue, 'update'),
  counts: buildMyWork.countMyWork(queue),
  summary: buildMyWork.summarizeMyWork(queue),
}}));
"""

    result = subprocess.run(
        ["node", "-e", script], check=True, capture_output=True, text=True
    )
    output = json.loads(result.stdout)

    assert len(output["queue"]) == 2
    assert [item["key"] for item in output["updates"]] == ["stackchain/web#8", "stackchain/api#7"]
    assert output["updates"][0]["kind"] == "update"
    assert output["updates"][1]["kind"] == "issue"
    assert output["updates"][1]["url"].endswith("#issuecomment-9")
    assert output["counts"] == {"all": 2, "issue": 1, "pull": 0, "review": 0, "update": 2}
    assert output["summary"] == "2 unread updates · 0 reviews · 1 assigned"


def test_unread_update_correlation_distinguishes_issue_and_pull_with_same_number():
    payload = {
        "user": {"login": "timmy"},
        "issues": [{"number": 7, "title": "Issue seven", "repository": "stackchain/api", "url": "https://forge.example/issues/7"}],
        "pull_requests": [{"number": 7, "title": "Pull seven", "repository": "stackchain/api", "url": "https://forge.example/pulls/7"}],
        "notifications": [{
            "id": 42, "number": 7, "title": "Issue seven", "repository": "stackchain/api",
            "subject_type": "Issue", "unread": True, "url": "https://forge.example/issues/7#comment-1",
        }],
    }
    script = f"""
const buildMyWork = require({json.dumps(str(MY_WORK))});
process.stdout.write(JSON.stringify(buildMyWork({json.dumps(payload)})));
"""
    result = subprocess.run(
        ["node", "-e", script], check=True, capture_output=True, text=True
    )
    queue = json.loads(result.stdout)

    issue = next(item for item in queue if item["kind"] == "issue")
    pull = next(item for item in queue if item["kind"] == "pull")
    assert issue["has_update"] is True
    assert issue["url"].endswith("#comment-1")
    assert pull["has_update"] is False


@pytest.mark.anyio
async def test_mobile_dashboard_puts_filterable_my_work_before_auxiliary_panels():
    html = await dashboard()

    assert html.index('id="my-work"') < html.index('data-panel-key="context"')
    assert 'data-work-filter="all"' in html
    assert 'data-work-filter="issue"' in html
    assert 'data-work-filter="pull"' in html
    assert 'data-work-filter="review"' in html
    assert 'data-work-filter="update"' in html
    assert '.work-filter' in html and 'min-height: 44px' in html
    assert '.my-work-card' in html and 'min-height: 44px' in html
    assert '<script src="static/my-work.js"></script>' in html
    assert "buildMyWork(data)" in html
    assert "markMyWorkStale()" in html
    assert "filterMyWork(lastMyWork, selectedWorkFilter)" in html


@pytest.mark.anyio
async def test_mobile_filters_wrap_show_counts_and_persist_for_the_session():
    html = await dashboard()

    assert '.work-filters { display:flex; gap:8px; flex-wrap:wrap; }' in html
    assert 'data-work-count="all"' in html
    assert 'data-work-count="issue"' in html
    assert 'data-work-count="pull"' in html
    assert 'data-work-count="review"' in html
    assert 'data-work-count="update"' in html
    assert "['all', 'issue', 'pull', 'review', 'update'].includes(savedFilter)" in html
    assert 'sessionStorage.getItem(WORK_FILTER_KEY)' in html
    assert 'sessionStorage.setItem(WORK_FILTER_KEY, selectedWorkFilter)' in html


def test_review_controller_loads_encoded_cross_repo_detail_path():
    script = f"""
const createReviewController = require({json.dumps(str(REVIEW_SHEET))});
let request;
const controller = createReviewController({{ fetchJson: async (url, options) => {{
  request = {{ url, accept: options.headers.Accept }};
  return {{ title: 'Review API' }};
}} }});
controller.load({{ repository: 'stackchain/api', number: 7 }}).then(detail =>
  process.stdout.write(JSON.stringify({{ request, title: detail.title }}))
);
"""

    result = subprocess.run(
        ["node", "-e", script], check=True, capture_output=True, text=True
    )

    assert json.loads(result.stdout) == {
        "request": {
            "url": "api/v1/repos/stackchain/api/pulls/7/review",
            "accept": "application/json",
        },
        "title": "Review API",
    }


def test_review_diff_rows_escape_content_and_toggle_accessibly():
    script = f"""
const reviewSheet = require({json.dumps(str(REVIEW_SHEET))});
const escapeHtml = value => String(value)
  .replaceAll('&', '&amp;').replaceAll('<', '&lt;').replaceAll('>', '&gt;');
const html = reviewSheet.renderDiffFile({{
  filename: 'src/<api>.py', status: 'modified', additions: 1, deletions: 1,
  diff_available: true, diff_truncated: true,
  diff_lines: ['@@ -1 +1 @@', '-old <token>', '+new & safe']
}}, 2, escapeHtml);
const button = {{ attrs: {{ 'aria-expanded': 'false' }}, getAttribute(k) {{ return this.attrs[k]; }}, setAttribute(k,v) {{ this.attrs[k]=v; }} }};
const panel = {{ hidden: true }};
reviewSheet.toggleDiff(button, panel);
process.stdout.write(JSON.stringify({{ html, expanded: button.attrs['aria-expanded'], hidden: panel.hidden }}));
"""
    result = subprocess.run(
        ["node", "-e", script], check=True, capture_output=True, text=True
    )
    output = json.loads(result.stdout)

    assert 'aria-expanded="false"' in output["html"]
    assert 'src/&lt;api&gt;.py' in output["html"]
    assert '-old &lt;token&gt;' in output["html"]
    assert '+new &amp; safe' in output["html"]
    assert 'Preview truncated' in output["html"]
    assert 'class="review-mark"' in output["html"]
    assert 'data-review-filename="src/&lt;api&gt;.py"' in output["html"]
    assert 'Mark reviewed' in output["html"]
    assert output["expanded"] == "true"
    assert output["hidden"] is False


def test_review_progress_is_explicit_and_restores_for_the_same_head_sha():
    script = f"""
const reviewSheet = require({json.dumps(str(REVIEW_SHEET))});
const values = new Map();
const storage = {{
  getItem(key) {{ return values.has(key) ? values.get(key) : null; }},
  setItem(key, value) {{ values.set(key, value); }}
}};
const options = {{
  storage, repository: 'stackchain/api', number: 7, headSha: 'abc123',
  files: [{{filename:'src/a.py'}}, {{filename:'src/b.py'}}, {{filename:'README.md'}}]
}};
const first = reviewSheet.createProgress(options);
const before = first.snapshot();
const marked = first.markReviewed('src/a.py');
const restored = reviewSheet.createProgress(options).snapshot();
process.stdout.write(JSON.stringify({{ before, marked, restored }}));
"""
    result = subprocess.run(
        ["node", "-e", script], check=True, capture_output=True, text=True
    )
    output = json.loads(result.stdout)

    assert output["before"] == {
        "reviewed": [], "reviewedCount": 0, "total": 3, "nextFilename": "src/a.py"
    }
    assert output["marked"] == {
        "reviewed": ["src/a.py"], "reviewedCount": 1, "total": 3,
        "nextFilename": "src/b.py",
    }
    assert output["restored"] == output["marked"]


def test_review_progress_resets_when_new_commits_change_the_head_sha():
    script = f"""
const reviewSheet = require({json.dumps(str(REVIEW_SHEET))});
const values = new Map();
const storage = {{
  getItem(key) {{ return values.has(key) ? values.get(key) : null; }},
  setItem(key, value) {{ values.set(key, value); }}
}};
const base = {{ storage, repository: 'stackchain/api', number: 7, files: [{{filename:'src/a.py'}}] }};
reviewSheet.createProgress({{...base, headSha:'abc123'}}).markReviewed('src/a.py');
const changed = reviewSheet.createProgress({{...base, headSha:'def456'}}).snapshot();
process.stdout.write(JSON.stringify(changed));
"""
    result = subprocess.run(
        ["node", "-e", script], check=True, capture_output=True, text=True
    )

    assert json.loads(result.stdout) == {
        "reviewed": [], "reviewedCount": 0, "total": 1,
        "nextFilename": "src/a.py", "newHead": True,
    }


def test_review_feedback_draft_restores_notes_summary_and_decision_for_same_head():
    script = f"""
const reviewSheet = require({json.dumps(str(REVIEW_SHEET))});
const values = new Map();
const storage = {{
  getItem(key) {{ return values.has(key) ? values.get(key) : null; }},
  setItem(key, value) {{ values.set(key, value); }}
}};
const options = {{
  storage, repository: 'stackchain/api', number: 7, headSha: 'abc123',
  files: [{{filename:'src/a.py'}}, {{filename:'src/b.py'}}]
}};
const first = reviewSheet.createDraft(options);
first.setNote('src/a.py', 'Handle the empty state.');
first.setSummary('One blocker remains.');
first.setDecision('request_changes');
const restored = reviewSheet.createDraft(options).snapshot();
process.stdout.write(JSON.stringify(restored));
"""
    result = subprocess.run(
        ["node", "-e", script], check=True, capture_output=True, text=True
    )

    assert json.loads(result.stdout) == {
        "notes": {"src/a.py": "Handle the empty state."},
        "summary": "One blocker remains.",
        "decision": "request_changes",
    }


def test_review_feedback_formats_non_empty_file_notes_in_changed_file_order():
    script = f"""
const reviewSheet = require({json.dumps(str(REVIEW_SHEET))});
const markdown = reviewSheet.formatFeedback({{
  decision: 'request_changes', summary: 'One blocker remains.',
  notes: {{'src/b.py':'Second note', 'src/a.py':'First note', 'README.md':''}}
}}, [{{filename:'src/a.py'}}, {{filename:'README.md'}}, {{filename:'src/b.py'}}]);
process.stdout.write(markdown);
"""
    result = subprocess.run(
        ["node", "-e", script], check=True, capture_output=True, text=True
    )

    assert result.stdout == (
        "## Intended decision\nRequest changes\n\n"
        "## Summary\nOne blocker remains.\n\n"
        "## File notes\n### `src/a.py`\nFirst note\n\n"
        "### `src/b.py`\nSecond note"
    )


def test_review_handoff_opens_gitea_only_after_copy_and_preserves_failed_copy():
    script = f"""
const reviewSheet = require({json.dumps(str(REVIEW_SHEET))});
const events = [];
const success = reviewSheet.copyAndContinue({{
  text: 'feedback', url: 'https://forge.example/pulls/7',
  copy: async text => events.push('copy:' + text),
  open: url => events.push('open:' + url),
  fallback: text => events.push('fallback:' + text),
}});
const failedEvents = [];
const failure = reviewSheet.copyAndContinue({{
  text: 'keep me', url: 'https://forge.example/pulls/8',
  copy: async () => {{ throw new Error('denied'); }},
  open: url => failedEvents.push('open:' + url),
  fallback: text => failedEvents.push('fallback:' + text),
}});
Promise.all([success, failure]).then(results => process.stdout.write(JSON.stringify({{
  events, failedEvents, results
}})));
"""
    result = subprocess.run(
        ["node", "-e", script], check=True, capture_output=True, text=True
    )

    assert json.loads(result.stdout) == {
        "events": ["copy:feedback", "open:https://forge.example/pulls/7"],
        "failedEvents": ["fallback:keep me"],
        "results": [True, False],
    }


@pytest.mark.anyio
async def test_review_requests_open_an_accessible_mobile_detail_sheet():
    html = await dashboard()

    assert 'id="review-sheet"' in html
    assert 'role="dialog"' in html and 'aria-modal="true"' in html
    assert 'id="review-sheet-status"' in html and 'aria-live="polite"' in html
    assert 'id="open-review-gitea"' in html and 'rel="noopener noreferrer"' in html
    assert '<script src="static/review-sheet.js"></script>' in html
    assert '@media (max-width: 600px)' in html
    assert '.review-sheet-panel' in html and 'width:100%' in html
    assert '.review-action' in html and 'min-height:44px' in html
    assert '.review-file-toggle' in html and 'min-height:44px' in html
    assert '.review-mark' in html and 'min-height:44px' in html
    assert 'id="review-progress"' in html and 'aria-live="polite"' in html
    assert 'id="next-unreviewed-review"' in html
    assert '.review-progress-actions' in html and 'position:sticky' in html
    assert "createReviewController.createProgress" in html
    assert "progress.markReviewed" in html
    assert "scrollIntoView" in html
    assert '.review-diff' in html and 'overflow-x:auto' in html


@pytest.mark.anyio
async def test_review_sheet_loads_details_and_preserves_safe_gitea_handoff():
    html = await dashboard()

    assert 'data-review-index' in html
    assert "reviewController.load(selectedReview)" in html
    assert "review-files" in html
    assert "review-history" in html
    assert "open-review-gitea" in html
    assert "reviewController.submit" not in html


@pytest.mark.anyio
async def test_mobile_review_sheet_captures_and_safely_hands_off_feedback():
    html = await dashboard()
    review_script = REVIEW_SHEET.read_text()

    assert 'class="review-note"' in review_script
    assert 'id="review-decision"' in html
    assert 'id="review-summary"' in html
    assert 'id="copy-review-feedback"' in html
    assert 'id="review-copy-fallback"' in html
    assert '.review-note' in html and 'min-height:88px' in html
    assert '.review-handoff' in html and 'position:sticky' in html
    assert "createReviewController.createDraft" in html
    assert "draft.setNote" in html
    assert "draft?.setSummary" in html
    assert "draft?.setDecision" in html
    assert "createReviewController.formatFeedback" in html
    assert "createReviewController.copyAndContinue" in html
    assert "navigator.clipboard.writeText" in html
    assert "window.open(url, '_blank', 'noopener,noreferrer')" in html


@pytest.mark.anyio
async def test_mobile_review_failure_offers_an_in_place_retry_for_the_same_item():
    html = await dashboard()

    assert 'id="retry-review-load"' in html
    assert '.review-retry' in html and 'min-height:44px' in html
    assert "qs('#retry-review-load').hidden = false" in html
    assert "qs('#retry-review-load').hidden = true" in html
    assert "openReviewSheet(selectedReview, reviewTrigger)" in html
    assert "qs('#retry-review-load').focus()" in html