"""M02 마스터 템플릿 API — 시스템 층(계약 `6_계약.md` 서버 길 첫 묶음).

⚠ 권한은 등록하는 쪽(`main.py`)이 `system_admin_only` 로 붙임.
"""

from __future__ import annotations

from typing import Any

from fastapi import APIRouter, HTTPException, Query
from pydantic import BaseModel

from M02_MasterTemplete import M02_MasterTemplete_Store as store

router = APIRouter(prefix="/api/m02", tags=["M02 MasterTemplete"])


class SaveBody(BaseModel):
    판: str = ""
    문서: Any


def _call(fn, *args):
    try:
        return fn(*args)
    except store.StoreError as e:
        raise HTTPException(status_code=e.status, detail=e.detail) from e


@router.get("/templates")
def get_templates() -> list[dict]:
    return _call(store.list_all)


@router.get("/structures/numbers")
def get_structure_numbers() -> dict:
    return _call(store.structure_numbers)


@router.get("/structure-combos")
def get_structure_combos() -> dict:
    """구조물집계표조합 — 구조물 열마다 줄 하나(키 SS · 제목행 · 번호 · 바인딩) · 읽기만."""
    return _call(store.read_combos)


@router.post("/structures/{column}")
def post_structure(column: str) -> dict:
    """구조물 도면 새로 — 열 id 하나 · 도번 자동 · 빈 면적산출 · 재료산출도 · 이미 있으면 409."""
    return _call(store.create_structure, column)


# 복사 가져오기 — 다른 열(`from`) 내용을 받는 열로 · 번호 · 열은 받는 쪽 그대로
@router.post("/structures/{column}/copy")
def post_structure_copy(column: str, source: str = Query(alias="from")) -> dict:
    return _call(store.copy_from, "structure", column, source)


@router.post("/area/{column}/copy")
def post_area_copy(column: str, source: str = Query(alias="from")) -> dict:
    return _call(store.copy_from, "area", column, source)


@router.post("/material/{column}/copy")
def post_material_copy(column: str, source: str = Query(alias="from")) -> dict:
    return _call(store.copy_from, "material", column, source)


@router.get("/templates/{kind}/{name}")
def get_template(kind: str, name: str) -> dict:
    return _call(store.read, kind, name)


@router.put("/templates/{kind}/{name}")
def put_template(kind: str, name: str, body: SaveBody) -> dict:
    return _call(store.write, kind, name, body.판, body.문서)


@router.delete("/templates/{kind}/{name}")
def delete_template(kind: str, name: str, 판: str | None = None) -> dict:
    _call(store.delete, kind, name, 판)
    return {"ok": True}