"""读取前端组件目录"""

from pathlib import Path

from app.schemas.component_resource import (
    ComponentCatalog,
    ComponentQuery,
    ComponentResult,
)


class ComponentProvider:
    def __init__(self, catalog_path: str | Path | None = None):
        self.catalog_path = catalog_path

    def query(self, query: ComponentQuery) -> ComponentResult:
        # TODO 以后迁移数据库，保持组件查询接口不变
        path = (
            Path(self.catalog_path)
            if self.catalog_path is not None
            else Path(__file__).resolve().parent / "catalog" / "components.json"
        )
        if not path.is_absolute():
            path = Path(__file__).resolve().parents[2] / path
        try:
            # 每次读取当前文件，避免更新目录后仍使用旧缓存
            content = path.read_text(encoding="utf-8-sig")
        except FileNotFoundError:
            return ComponentResult(
                status="unsupported",
                message="尚未配置前端组件目录，请先导出真实组件定义",
            )
        # 文件损坏或定义不合法直接报错，不能伪装成查无结果
        catalog = ComponentCatalog.model_validate_json(content)
        keyword = (
            query.keyword.strip().casefold() if query.keyword is not None else None
        )
        matches = []
        for component in catalog.components:
            if query.key is not None and component.key != query.key:
                continue
            if query.type is not None and component.type != query.type:
                continue
            searchable = " ".join(
                [
                    component.key,
                    component.type,
                    component.name,
                    component.description,
                    *component.tags,
                ]
            ).casefold()
            if keyword is not None and keyword not in searchable:
                continue
            matches.append(component)
        return ComponentResult(
            status="resolved" if matches else "not_found",
            components=matches,
            catalog_version=catalog.version,
            source=catalog.source,
            message="已找到组件定义" if matches else "已查询组件目录，未找到匹配的组件",
        )


if __name__ == "__main__":
    provider = ComponentProvider()
    result = provider.query(ComponentQuery())
    print(result.model_dump_json(indent=2))