from __future__ import annotations

from app import (
    CSS,
    handle_stage_nav,
    handle_generate,
    handle_grade,
    pending_activity_message,
    readable_current_artifact_markdown,
    render_activity_message,
    render_stage_score_gate_panel,
    render_stage_score_strip,
    stage_score_rows,
    workflow_progress_summary,
    workspace_visibility_updates,
)
from course_slide_factory.constants import STAGE_IDS
from course_slide_factory.models import IssueSeverity, IssueType
from course_slide_factory.quality import approve_current_artifact, upsert_issue
from course_slide_factory.workflow import build_empty_state, generate_stage, update_setup_from_inputs


def _activity_value(update):
    return update["value"] if isinstance(update, dict) else update


def _update_visible(update):
    return update["visible"] if isinstance(update, dict) else None


def test_workflow_progress_summary_starts_empty():
    state = build_empty_state(deck_title="UI Test", source_url="mock://source")

    summary = workflow_progress_summary(state)
    rows = stage_score_rows(state, "setup_inputs")

    assert summary["complete"] == 0
    assert summary["total"] == len(STAGE_IDS)
    assert summary["percent"] == 0
    assert rows[0]["stage_id"] == "setup_inputs"
    assert rows[0]["active"]
    assert rows[0]["score"] is None
    assert rows[0]["status"] == "pending"


def test_stage_score_rows_track_complete_review_stale_and_blockers():
    state = build_empty_state(deck_title="UI Test", source_url="mock://source")
    state, _message = generate_stage(state, "setup_inputs")
    state.stages["setup_inputs"].score = 92
    approve_current_artifact(state, "setup_inputs")

    state, _message = generate_stage(state, "text_generation")
    state.stages["text_generation"].score = 72
    state.stages["title_generation"].is_stale = True
    upsert_issue(
        state,
        IssueType.TECHNICAL_INACCURACY,
        IssueSeverity.BLOCKER,
        "Blocking issue",
        stage_id="technical_review",
    )
    state.stages["technical_review"].is_stale = False

    summary = workflow_progress_summary(state)
    rows = {row["stage_id"]: row for row in stage_score_rows(state, "text_generation")}
    score_strip = render_stage_score_strip(state, "text_generation")

    assert summary["complete"] == 1
    assert summary["percent"] == round(1 / len(STAGE_IDS) * 100)
    assert summary["unresolved_blockers"] >= 1
    assert rows["setup_inputs"]["status"] == "complete"
    assert rows["text_generation"]["status"] == "review"
    assert rows["text_generation"]["active"]
    assert rows["title_generation"]["status"] == "stale"
    assert rows["technical_review"]["status"] == "blocked"
    assert "Text" in score_strip
    assert "72/100" in score_strip


def test_setup_stage_shows_feedback_workspaces():
    updates = workspace_visibility_updates("setup_inputs")

    assert [update["visible"] for update in updates] == [True, False, False, False, True]


def test_activity_messages_render_distinct_pending_and_complete_states():
    pending = pending_activity_message("Creating setup candidate...")
    complete = render_activity_message("Setup candidate created.", "complete")

    assert "activity-card pending" in pending
    assert "Working" in pending
    assert "Creating setup candidate..." in pending
    assert "activity-card complete" in complete
    assert "Done" in complete


def test_light_theme_css_covers_gradio_dataframes_and_action_hierarchy():
    assert ":root" in CSS
    assert "color-scheme: light" in CSS
    assert "--border-color-primary: #d9dee7" in CSS
    assert "--body-text-color-subdued: #4b5563" in CSS
    assert "--ag-background-color: #ffffff" in CSS
    assert ".compact-panel .ag-header" in CSS
    assert '.compact-panel [role="gridcell"]' in CSS
    assert ".compact-panel .virtual-row" in CSS
    assert ".compact-panel .body-cell" in CSS
    assert '.gradio-container [data-testid="dataframe"] tbody tr:nth-child(even)' in CSS
    assert '.gradio-container [role="gridcell"]' in CSS
    assert ".gradio-container .header-table" in CSS
    assert ".gradio-container .virtual-row.row-odd" in CSS
    assert ".production-action" in CSS
    assert ".approval-action" in CSS
    assert ".score-gate" in CSS
    assert '.score-gate [data-testid="column"]' in CSS


def test_stage_score_gate_panel_renders_pending_and_scored_states():
    state = build_empty_state(deck_title="UI Test", source_url="mock://source")

    pending = render_stage_score_gate_panel(state, "setup_inputs")
    state.stages["setup_inputs"].score = 91
    scored = render_stage_score_gate_panel(state, "setup_inputs")

    assert "Setup & Inputs score" in pending
    assert "Pending" in pending
    assert "stage-result-card scored" in scored
    assert "91/100" in scored


def test_setup_candidate_button_returns_visible_snapshot_feedback(tmp_path):
    instructions = tmp_path / "instructions.txt"
    instructions.write_text("Course plan\n- Explain the core course concept.", encoding="utf-8")

    generated = handle_generate(
        None,
        "Course Slide Deck",
        "",
        "mock://template/course",
        "",
        True,
        "obj_1: Explain the core course concept.",
        [str(instructions)],
        "",
        "",
        "instructions_file",
        None,
        "",
        False,
        "setup_inputs",
    )

    assert _update_visible(generated[1]) is True
    message = _activity_value(generated[2])
    assert "activity-card complete" in message
    assert "Done" in message
    assert "Setup candidate created as setup_inputs_v1." in message
    assert "1 parsed upload(s)" in message
    assert "Check Setup Score" in message
    assert "### Setup & Inputs output" in generated[3]
    assert "Input summary" in generated[3]
    assert "Parsed uploads: 1" in generated[3]
    assert "instructions.txt" in generated[3]
    assert '"input_summary"' not in generated[3]
    assert generated[4] == generated[3]


def test_readable_artifact_markdown_uses_human_summary_not_json(tmp_path):
    instructions = tmp_path / "instructions.txt"
    instructions.write_text("Course plan\n- Explain the core course concept.", encoding="utf-8")
    state = build_empty_state(deck_title="Course Slide Deck", source_url="")
    update_setup_from_inputs(
        state,
        deck_title="Course Slide Deck",
        source_url="",
        template_url="mock://template/course",
        output_folder_id="",
        dry_run=True,
        objectives_text="obj_1: Explain the core course concept.",
        material_files=[str(instructions)],
        start_mode="instructions_file",
    )
    state, _message = generate_stage(state, "setup_inputs")

    output = readable_current_artifact_markdown(state, "setup_inputs")

    assert output.startswith("### Setup & Inputs output")
    assert "Input summary" in output
    assert "Uploaded materials" in output
    assert '"uploaded_materials"' not in output


def test_stage_navigation_clears_activity_message():
    generated = handle_generate(
        None,
        "Course Slide Deck",
        "mock://source",
        "mock://template/course",
        "",
        True,
        "",
        [],
        "",
        "",
        "instructions_file",
        None,
        "",
        False,
        "setup_inputs",
    )

    navigated = handle_stage_nav(generated[0], "source_extraction_objective_mapping")

    assert navigated[4]["visible"] is False
    assert navigated[5] == ""


def test_setup_grade_button_path_returns_score_feedback():
    generated = handle_generate(
        None,
        "Course Slide Deck",
        "mock://source",
        "mock://template/course",
        "",
        True,
        "",
        [],
        "",
        "",
        "instructions_file",
        None,
        "",
        False,
        "setup_inputs",
    )

    graded = handle_grade(generated[0], "setup_inputs")

    message = _activity_value(graded[2])
    assert "activity-card complete" in message
    assert "Grade for Setup & Inputs:" in message