from app.models import Box, Item, SubItem
from app.notion_import import (
    ImportSummary,
    ParsedBox,
    ParsedItem,
    ParsedSubItem,
    apply_import,
    extract_page_id,
    parse_notion_blocks,
)


def make_heading_2(text: str) -> dict:
    return {
        "type": "heading_2",
        "heading_2": {"rich_text": [{"plain_text": text}]},
        "_children": [],
    }


def make_bullet(text: str, children: list[dict] | None = None) -> dict:
    return {
        "type": "bulleted_list_item",
        "bulleted_list_item": {"rich_text": [{"plain_text": text}]},
        "_children": children or [],
    }


def make_image_block() -> dict:
    return {"type": "image", "image": {}, "_children": []}


def test_extract_page_id_from_notion_url():
    url = "https://www.notion.so/workspace/My-Page-1234567890abcdef1234567890abcdef?pvs=4"

    page_id = extract_page_id(url)

    assert page_id == "12345678-90ab-cdef-1234-567890abcdef"


def test_parse_heading_2_as_box():
    summary = parse_notion_blocks([make_heading_2("厨房箱")])

    assert summary.box_count == 1
    assert summary.boxes[0].name == "厨房箱"


def test_parse_first_level_bullet_as_item():
    blocks = [make_heading_2("客厅箱"), make_bullet("锅具")]

    summary = parse_notion_blocks(blocks)

    assert summary.item_count == 1
    assert summary.boxes[0].items[0].name == "锅具"
    assert summary.boxes[0].items[0].is_container is False


def test_parse_bullet_with_children_as_container_item_and_subitems():
    blocks = [
        make_heading_2("电子箱"),
        make_bullet("配件盒", children=[make_bullet("USB 线"), make_bullet("转接头")]),
    ]

    summary = parse_notion_blocks(blocks)

    item = summary.boxes[0].items[0]
    assert item.name == "配件盒"
    assert item.is_container is True
    assert [subitem.name for subitem in item.subitems] == ["USB 线", "转接头"]


def test_parse_second_level_bullets_as_subitems():
    blocks = [
        make_heading_2("文件箱"),
        make_bullet("文件袋", children=[make_bullet("合同"), make_bullet("护照复印件")]),
    ]

    summary = parse_notion_blocks(blocks)

    assert summary.subitem_count == 2
    assert summary.boxes[0].items[0].subitems[1].name == "护照复印件"


def test_parse_deeper_than_supported_levels_adds_warning():
    blocks = [
        make_heading_2("测试箱"),
        make_bullet(
            "外层袋",
            children=[make_bullet("内层物品", children=[make_bullet("更深一层")])],
        ),
    ]

    summary = parse_notion_blocks(blocks)

    assert summary.container_item_count == 1
    assert any("超出支持层级" in warning for warning in summary.warnings)


def test_parse_non_text_media_block_adds_skip_warning():
    blocks = [make_heading_2("照片箱"), make_image_block()]

    summary = parse_notion_blocks(blocks)

    assert any("这版不导入图片或媒体" in warning for warning in summary.warnings)


def test_dry_run_parse_does_not_write_database(db_session):
    blocks = [make_heading_2("厨房箱"), make_bullet("锅")]

    summary = parse_notion_blocks(blocks)

    assert summary.box_count == 1
    assert db_session.query(Box).count() == 0
    assert db_session.query(Item).count() == 0
    assert db_session.query(SubItem).count() == 0


def test_apply_import_writes_expected_structure(db_session):
    summary = ImportSummary(
        boxes=[
            ParsedBox(
                name="主卧箱",
                items=[
                    ParsedItem(name="衣服", is_container=False),
                    ParsedItem(
                        name="收纳袋",
                        is_container=True,
                        subitems=[ParsedSubItem(name="袜子"), ParsedSubItem(name="围巾")],
                    ),
                ],
            )
        ]
    )

    counts = apply_import(summary, db_session)

    assert counts == {"boxes": 1, "items": 2, "subitems": 2}
    assert db_session.query(Box).count() == 1
    assert db_session.query(Item).count() == 2
    assert db_session.query(SubItem).count() == 2

    container_item = db_session.query(Item).filter_by(name="收纳袋").one()
    assert container_item.is_container is True