import datetime
import re

import pytest

from conftest import outcome_actions

TODAY = datetime.date.today().isoformat()


@pytest.fixture
def instructor(dev_client):
    dev_client.post("/dev/launch/dev-instructor")
    return dev_client


def record_one_call(client, action="GOOD"):
    client.post("/instructor/live/next", data={"date": TODAY})
    page = client.get(f"/instructor/live?date={TODAY}").get_data(as_text=True)
    call_id = re.search(r"/instructor/call/(\d+)/outcome", page).group(1)
    actions = outcome_actions(page)
    value = actions.get(action) or actions[action.title()]
    client.post(f"/instructor/call/{call_id}/outcome", data={"action": value})


def test_report_page_renders(instructor):
    record_one_call(instructor, "GOOD")
    record_one_call(instructor, "POOR")
    record_one_call(instructor, "missing")

    page = instructor.get("/instructor/report").get_data(as_text=True)
    assert "3 questions asked over 1" in page
    assert "never called" in page
    assert 'class="hist"' in page
    assert "Outcomes by class day" in page


def test_report_sorting(instructor):
    record_one_call(instructor, "GOOD")
    page = instructor.get("/instructor/report?sort=answered").get_data(as_text=True)
    rows = re.findall(r"<td>([A-Z][a-z]+ [A-Za-z]+)</td>", page)
    # The called student sorts first under the answered sort.
    called = re.search(r"never called", page)
    assert rows, "expected student rows"
    assert called


def test_csv_exports(instructor):
    record_one_call(instructor, "GOOD")
    resp = instructor.get("/instructor/export/students.csv")
    assert resp.mimetype == "text/csv"
    lines = resp.get_data(as_text=True).strip().splitlines()
    assert lines[0].startswith("name,")
    assert len(lines) == 9  # header + 8 students

    resp = instructor.get("/instructor/export/calls.csv")
    lines = resp.get_data(as_text=True).strip().splitlines()
    assert len(lines) == 2
    assert ",answered,GOOD," in lines[1]

    resp = instructor.get("/instructor/export/optouts.csv")
    assert resp.get_data(as_text=True).strip().splitlines()[0].startswith("date,")


def test_report_requires_instructor(dev_client):
    dev_client.post("/dev/launch/dev-instructor")
    dev_client.post("/dev/launch/dev-student-1")
    assert dev_client.get("/instructor/report").status_code == 403
    assert dev_client.get("/instructor/export/calls.csv").status_code == 403


def test_pronouns_flow_to_pages(instructor):
    # Dev roster carries pronouns; they should reach the print list.
    instructor.post(f"/instructor/day/{TODAY}/generate", data={"n": "30"})
    page = instructor.get(f"/instructor/day/{TODAY}/print").get_data(as_text=True)
    assert "she/her" in page or "he/him" in page

    instructor.post("/dev/launch/dev-student-1")
    page = instructor.get("/me").get_data(as_text=True)
    assert "Ada Lovelace (she/her)" in page
    assert "drawn from Canvas" in page