import ipywidgets as widgets

from quantum_learning import load_assessment_blueprint
from qiskit import QuantumCircuit

from quantum_learning.interactive import (
    editable_circuit_lab,
    evidence_checklist,
    feedback_iteration_panel,
    multiple_choice_quiz,
    quiz_block,
    reflection_box,
    rubric_scorecard,
    step_reference_table,
)


def test_multiple_choice_quiz_returns_widget():
    widget = multiple_choice_quiz(
        prompt="What does H do in the simplest story?",
        options=["Prepare superposition", "Measure the qubit", "Delete the wire"],
        correct_index=0,
        explanation="H is used here as a preparation step.",
    )
    assert widget.children


def test_quiz_block_returns_widget_group():
    widget = quiz_block(
        [
            {
                "prompt": "Is this a quiz?",
                "options": ["Yes", "No"],
                "correct_index": 0,
                "explanation": "Yes.",
            }
        ],
        heading="Check",
    )
    assert widget.children


def test_step_reference_table_returns_html_widget():
    widget = step_reference_table(
        [
            {
                "marker": "[1]",
                "code_focus": "Apply H",
                "diagram_effect": "Create branching",
                "why_it_matters": "Preparation matters",
            }
        ]
    )
    assert "[1]" in widget.value


def test_reflection_box_returns_widget():
    widget = reflection_box("What changed in your mental model?")
    assert widget.children


def test_editable_circuit_lab_builds_widget():
    widget = editable_circuit_lab(
        initial_code="""
circuit = QuantumCircuit(1, 1, name="demo")
circuit.h(0)
circuit.measure(0, 0)
""",
        context={"QuantumCircuit": QuantumCircuit},
        title="Demo Lab",
    )
    assert widget.children


def test_rubric_scorecard_builds_widget():
    rubric = load_assessment_blueprint().get_rubric("module_self_review")
    widget = rubric_scorecard(rubric, title="Review")
    assert widget.children


def test_rubric_scorecard_updates_summary_when_sliders_change():
    rubric = load_assessment_blueprint().get_rubric("capstone_design_review")
    widget = rubric_scorecard(rubric, title="Capstone Review")

    sliders = [child for child in widget.children if isinstance(child, widgets.IntSlider)]
    summary = widget.children[-1]

    assert len(sliders) == 7
    assert "Total:</b> 0/28" in summary.value

    for slider in sliders:
        slider.value = slider.max

    assert "Total:</b> 28/28" in summary.value
    assert "Band:</b> mastery-ready" in summary.value


def test_feedback_iteration_panel_builds_widget():
    widget = feedback_iteration_panel(
        title="Revision Loop",
        prompt="State the claim, evidence, risk, and next step.",
    )
    assert widget.children


def test_evidence_checklist_builds_widget():
    widget = evidence_checklist(
        [
            "Objective stated",
            "Evidence cited",
            "Risk named",
        ],
        title="Checklist",
    )
    assert widget.children


def test_evidence_checklist_updates_summary_when_boxes_change():
    widget = evidence_checklist(
        [
            "Objective stated",
            "Evidence cited",
            "Risk named",
        ],
        title="Checklist",
    )

    checkboxes = [child for child in widget.children if isinstance(child, widgets.Checkbox)]
    summary = widget.children[-1]

    assert len(checkboxes) == 3
    assert "Completion:</b> 0%" in summary.value

    for checkbox in checkboxes:
        checkbox.value = True

    assert "Completion:</b> 100%" in summary.value
    assert "Ready for review:</b> Yes" in summary.value