"""
tests/test_history.py
---------------------
Tests for the History screen data layer — get_draws_with_game().
UI widget instantiation is tested with a hidden Tk root (skipped on headless).
"""

import pytest

from db.models import (
    get_draws_with_game,
    get_game_by_name,
    insert_draw,
)


# ── get_draws_with_game ───────────────────────────────────────────────────────

def test_returns_empty_for_fresh_db(tmp_db):
    rows = get_draws_with_game()
    assert rows == []


def test_returns_all_games_when_no_filter(tmp_db):
    pb = get_game_by_name("Powerball")
    mm = get_game_by_name("Mega Millions")
    insert_draw(pb["id"], "2024-01-01", [1, 2, 3, 4, 5], bonus=7, source="powerball_ny")
    insert_draw(mm["id"], "2024-01-02", [7, 11, 22, 29, 38], bonus=4, source="megamillions_ny")

    rows = get_draws_with_game()
    assert len(rows) == 2


def test_game_name_is_included(tmp_db):
    pb = get_game_by_name("Powerball")
    insert_draw(pb["id"], "2024-01-01", [1, 2, 3, 4, 5], bonus=7, source="powerball_ny")

    rows = get_draws_with_game()
    assert rows[0]["game_name"] == "Powerball"


def test_filters_by_game_id(tmp_db):
    pb = get_game_by_name("Powerball")
    mm = get_game_by_name("Mega Millions")
    insert_draw(pb["id"], "2024-01-01", [1, 2, 3, 4, 5], bonus=7, source="powerball_ny")
    insert_draw(mm["id"], "2024-01-02", [7, 11, 22, 29, 38], bonus=4, source="megamillions_ny")

    rows = get_draws_with_game(game_id=pb["id"])
    assert len(rows) == 1
    assert rows[0]["game_name"] == "Powerball"


def test_filters_by_date_from(tmp_db):
    pb = get_game_by_name("Powerball")
    insert_draw(pb["id"], "2024-01-01", [1, 2, 3, 4, 5], bonus=7)
    insert_draw(pb["id"], "2024-06-01", [5, 10, 20, 30, 40], bonus=3)

    rows = get_draws_with_game(date_from="2024-06-01")
    assert len(rows) == 1
    assert rows[0]["draw_date"] == "2024-06-01"


def test_filters_by_date_to(tmp_db):
    pb = get_game_by_name("Powerball")
    insert_draw(pb["id"], "2024-01-01", [1, 2, 3, 4, 5], bonus=7)
    insert_draw(pb["id"], "2024-06-01", [5, 10, 20, 30, 40], bonus=3)

    rows = get_draws_with_game(date_to="2024-01-31")
    assert len(rows) == 1
    assert rows[0]["draw_date"] == "2024-01-01"


def test_filters_by_date_range(tmp_db):
    pb = get_game_by_name("Powerball")
    insert_draw(pb["id"], "2024-01-01", [1, 2, 3, 4, 5], bonus=7)
    insert_draw(pb["id"], "2024-03-15", [5, 10, 20, 30, 40], bonus=3)
    insert_draw(pb["id"], "2024-12-01", [9, 18, 27, 36, 45], bonus=15)

    rows = get_draws_with_game(date_from="2024-02-01", date_to="2024-06-30")
    assert len(rows) == 1
    assert rows[0]["draw_date"] == "2024-03-15"


def test_default_order_is_desc(tmp_db):
    pb = get_game_by_name("Powerball")
    insert_draw(pb["id"], "2024-01-01", [1, 2, 3, 4, 5], bonus=7)
    insert_draw(pb["id"], "2024-06-01", [5, 10, 20, 30, 40], bonus=3)

    rows = get_draws_with_game()
    assert rows[0]["draw_date"] == "2024-06-01"
    assert rows[1]["draw_date"] == "2024-01-01"


def test_order_asc(tmp_db):
    pb = get_game_by_name("Powerball")
    insert_draw(pb["id"], "2024-01-01", [1, 2, 3, 4, 5], bonus=7)
    insert_draw(pb["id"], "2024-06-01", [5, 10, 20, 30, 40], bonus=3)

    rows = get_draws_with_game(order="ASC")
    assert rows[0]["draw_date"] == "2024-01-01"


def test_limit(tmp_db):
    pb = get_game_by_name("Powerball")
    for day in range(1, 6):
        insert_draw(pb["id"], f"2024-01-{day:02d}", [day, 2, 3, 4, 5], bonus=day)

    rows = get_draws_with_game(limit=3)
    assert len(rows) == 3


def test_combined_filters(tmp_db):
    pb = get_game_by_name("Powerball")
    mm = get_game_by_name("Mega Millions")
    insert_draw(pb["id"], "2024-01-01", [1, 2, 3, 4, 5], bonus=7)
    insert_draw(pb["id"], "2024-03-01", [5, 10, 20, 30, 40], bonus=3)
    insert_draw(mm["id"], "2024-03-01", [7, 11, 22, 29, 38], bonus=4)

    rows = get_draws_with_game(game_id=pb["id"], date_from="2024-02-01")
    assert len(rows) == 1
    assert rows[0]["game_name"] == "Powerball"
    assert rows[0]["draw_date"] == "2024-03-01"


# ── UI smoke test (skipped on headless) ───────────────────────────────────────

def _has_display():
    try:
        import tkinter as tk
        root = tk.Tk()
        root.withdraw()
        root.destroy()
        return True
    except Exception:
        return False


@pytest.mark.skipif(not _has_display(), reason="no display available")
def test_history_screen_instantiates(tmp_db):
    import tkinter as tk
    from ui.history import HistoryScreen

    root = tk.Tk()
    root.withdraw()
    try:
        screen = HistoryScreen(root)
        assert screen.winfo_exists()
    finally:
        root.destroy()


@pytest.mark.skipif(not _has_display(), reason="no display available")
def test_history_screen_shows_inserted_rows(tmp_db):
    import tkinter as tk
    from ui.history import HistoryScreen

    pb = get_game_by_name("Powerball")
    insert_draw(pb["id"], "2024-01-01", [1, 13, 36, 61, 69], bonus=7, source="powerball_ny")
    insert_draw(pb["id"], "2024-03-01", [5, 20, 35, 50, 65], bonus=15, source="powerball_ny")

    root = tk.Tk()
    root.withdraw()
    try:
        screen = HistoryScreen(root)
        children = screen._tree.get_children()
        assert len(children) == 2
    finally:
        root.destroy()