import pytest
from pathlib import Path
from docx import Document

from src.core.converter import process_document
from src.handlers.builtin import handle_heading, handle_paragraph, handle_image, handle_list, handle_table
from src.core.style_registry import StyleRegistry

# Тесты для обработчиков
def test_handle_heading():
    doc = Document()
    style_reg = StyleRegistry(Path("resources/style_config.yaml"))
    node = {"type": "heading", "level": 1, "children": [{"type": "text", "raw": "Заголовок 1"}]}
    handle_heading(node, doc, Path("."), style_reg)
    assert len(doc.paragraphs) == 1
    assert doc.paragraphs[0].style.name == "Heading 1"

def test_handle_paragraph():
    doc = Document()
    style_reg = StyleRegistry(Path("resources/style_config.yaml"))
    node = {"type": "paragraph", "children": [{"type": "text", "raw": "Текст параграфа"}]}
    handle_paragraph(node, doc, Path("."), style_reg)
    assert len(doc.paragraphs) == 1
    assert doc.paragraphs[0].text == "Текст параграфа"

def test_handle_image():
    from PIL import Image
    doc = Document()
    style_reg = StyleRegistry(Path("resources/style_config.yaml"))
    style_reg.ensure_styles_in_doc(doc)
    node = {"type": "image", "src": "images/logo.png", "alt": "Логотип"}

    # Создаем реальное изображение
    img_path = Path("tests/fixtures/images/logo.png")
    img_path.parent.mkdir(exist_ok=True)
    img = Image.new("RGB", (100, 100), color="red")
    img.save(img_path)

    # images_dir должен указывать на папку images/
    handle_image(node, doc, Path("tests/fixtures/images"), style_reg)

    # После вызова должно быть 2 параграфа: картинка и подпись
    assert len(doc.paragraphs) == 2
    assert doc.paragraphs[1].text == "Логотип"  # подпись

def test_handle_paragraph_with_inline():
    doc = Document()
    style_reg = StyleRegistry(Path("resources/style_config.yaml"))
    node = {
        "type": "paragraph",
        "children": [
            {"type": "text", "raw": "Текст "},
            {"type": "strong", "children": [{"type": "text", "raw": "жирный"}]},
            {"type": "text", "raw": " и "},
            {"type": "emphasis", "children": [{"type": "text", "raw": "курсив"}]},
            {"type": "text", "raw": "."},
        ]
    }
    handle_paragraph(node, doc, Path("."), style_reg)

    p = doc.paragraphs[0]
    runs = p.runs
    assert len(runs) == 5
    assert runs[0].text == "Текст "
    assert runs[1].text == "жирный"
    assert runs[1].bold is True
    assert runs[2].text == " и "
    assert runs[3].text == "курсив"
    assert runs[3].italic is True
    assert runs[4].text == "."

def test_handle_list():
    doc = Document()
    style_reg = StyleRegistry(Path("resources/style_config.yaml"))
    node = {
        "type": "list",
        "ordered": False,
        "children": [
            {"type": "list_item", "children": [{"type": "text", "raw": "Элемент 1"}]},
            {"type": "list_item", "children": [{"type": "text", "raw": "Элемент 2"}]},
        ]
    }
    handle_list(node, doc, Path("."), style_reg)

    assert len(doc.paragraphs) == 2
    assert doc.paragraphs[0].style.name == "List Bullet"
    assert doc.paragraphs[0].text == "Элемент 1"
    assert doc.paragraphs[1].text == "Элемент 2"


def test_handle_table():
    doc = Document()
    style_reg = StyleRegistry(Path("resources/style_config.yaml"))
    node = {
        "type": "table",
        "children": [
            {  # table_head
                "type": "table_head",
                "children": [
                    {"type": "table_cell", "children": [{"type": "text", "raw": "Заголовок 1"}]},
                    {"type": "table_cell", "children": [{"type": "text", "raw": "Заголовок 2"}]},
                ]
            },
            {  # table_body
                "type": "table_body",
                "children": [
                    {  # table_row
                        "type": "table_row",
                        "children": [
                            {"type": "table_cell", "children": [{"type": "text", "raw": "Ячейка 1"}]},
                            {"type": "table_cell", "children": [{"type": "text", "raw": "Ячейка 2"}]},
                        ]
                    }
                ]
            }
        ]
    }
    handle_table(node, doc, Path("."), style_reg)

    assert len(doc.tables) == 1
    table = doc.tables[0]
    assert len(table.rows) == 2
    assert table.cell(0, 0).text == "Заголовок 1"
    assert table.cell(1, 1).text == "Ячейка 2"


def test_handle_table_with_br():
    doc = Document()
    style_reg = StyleRegistry(Path("resources/style_config.yaml"))
    node = {
        "type": "table",
        "children": [
            {  # table_head
                "type": "table_head",
                "children": [
                    {  # table_row
                        "type": "table_row",
                        "children": [
                            {"type": "table_cell", "children": [{"type": "text", "raw": "Заголовок 1"}]},
                            {"type": "table_cell", "children": [{"type": "text", "raw": "Заголовок 2"}]},
                        ]
                    }
                ]
            },
            {  # table_body
                "type": "table_body",
                "children": [
                    {  # row 1
                        "type": "table_row",
                        "children": [
                            {"type": "table_cell", "children": [
                                {"type": "text", "raw": "Первая строка"},
                                {"type": "softbreak"},  # или linebreak/html
                                {"type": "text", "raw": "Вторая строка"}
                            ]},
                            {"type": "table_cell", "children": [{"type": "text", "raw": "Ячейка 2"}]},
                        ]
                    }
                ]
            }
        ]
    }
    handle_table(node, doc, Path("."), style_reg)

    assert len(doc.tables) == 1
    table = doc.tables[0]
    cell_text = table.cell(1, 0).text  # "Первая строка\nВторая строка"
    assert "Первая строка" in cell_text
    assert "Вторая строка" in cell_text