"""把 api 模块控制器里的 @RequestMapping(value=..., method={GET,POST}) 改成 @GetMapping / @PostMapping。

HTTP 方法依据 uniapp 前端 api/*.js 的实际调用（request.get / request.post）逐条确定，
admin / store 模块不动。
"""
import re
import sys
from pathlib import Path

sys.path.insert(0, str(Path(__file__).parent))
from _root import ROOT  # noqa: E402

CTRL_DIR = ROOT / "yoshop-java" / "src/main/java/cn/yoshop/api/controller"

# (完整路径 -> 方法)，路径已含控制器类上的前缀
METHODS = {
    # 收货地址
    "/api/address/list": "Get",
    "/api/address/defaultId": "Get",
    "/api/address/detail": "Get",
    "/api/address/add": "Post",
    "/api/address/edit": "Post",
    "/api/address/setDefault": "Post",
    "/api/address/remove": "Post",
    # 图形 / 短信验证码
    "/api/captcha/image": "Get",
    "/api/captcha/sendSmsCaptcha": "Post",
    # 购物车
    "/api/cart/list": "Get",
    "/api/cart/total": "Get",
    "/api/cart/add": "Post",
    "/api/cart/update": "Post",
    "/api/cart/clear": "Post",
    # 收银台
    "/api/cashier/orderInfo": "Get",
    "/api/cashier/orderPay": "Post",
    "/api/cashier/tradeQuery": "Get",
    # 结算台
    "/api/checkout/order": "Get",
    "/api/checkout/submit": "Post",
    # 内容
    "/api/category/list": "Get",
    "/api/article/list": "Get",
    "/api/article/detail": "Get",
    "/api/article.category/list": "Get",
    "/api/help/list": "Get",
    "/api/page/detail": "Get",
    # 商品
    "/api/goods/list": "Get",
    "/api/goods/detail": "Get",
    "/api/goods/basic": "Get",
    "/api/goods/specData": "Get",
    "/api/goods/skuInfo": "Get",
    "/api/goods.service/list": "Get",
    # 站点入口（纯文本兜底）
    "/api/index/index": "Get",
    # 营销
    "/api/comment/list": "Get",
    "/api/comment/total": "Get",
    "/api/comment/listRows": "Get",
    "/api/coupon/list": "Get",
    "/api/myCoupon/list": "Get",
    "/api/myCoupon/receive": "Post",
    "/api/express/list": "Get",
    # 订单
    "/api/order/list": "Get",
    "/api/order/detail": "Get",
    "/api/order/express": "Get",
    "/api/order/cancel": "Post",
    "/api/order/receipt": "Post",
    "/api/order/todoCounts": "Get",
    "/api/order.comment/list": "Get",
    "/api/order.comment/submit": "Post",
    # 登录
    "/api/passport/login": "Post",
    "/api/passport/loginMpWx": "Post",
    "/api/passport/loginMpWxMobile": "Post",
    "/api/passport/isPersonalMpweixin": "Post",
    # 充值
    "/api/recharge/center": "Get",
    "/api/recharge/submit": "Post",
    "/api/recharge/tradeQuery": "Get",
    "/api/recharge.order/list": "Get",
    # 售后
    "/api/refund/list": "Get",
    "/api/refund/goods": "Get",
    "/api/refund/apply": "Post",
    "/api/refund/detail": "Get",
    "/api/refund/delivery": "Post",
    # 地区
    "/api/region/all": "Get",
    "/api/region/tree": "Get",
    # 商城 / 设置
    "/api/store/data": "Get",
    "/api/setting/data": "Get",
    # 上传
    "/api/upload/image": "Post",
    # 用户
    "/api/user/info": "Get",
    "/api/user/assets": "Get",
    "/api/user/bindMobile": "Post",
    "/api/user/personal": "Post",
    "/api/balance.log/list": "Get",
    "/api/points.log/list": "Get",
}

ANN_RE = re.compile(r"@RequestMapping\((.*?)\)", re.S)
VALUE_RE = re.compile(r'value\s*=\s*(\{[^}]*\}|"[^"]*")')
PRODUCES_RE = re.compile(r'produces\s*=\s*("[^"]*"|[A-Za-z0-9_.]+)')


def paths_of(value_expr):
    return re.findall(r'"([^"]*)"', value_expr)


def norm_path(p):
    """把下划线写法归一成驼峰写法，用于查表。"""
    if "_" in p:
        head, *rest = p.split("_")
        # spec_data / sku_info / list_rows / todo_counts / set_default / default_id
        return head + "".join(w[:1].upper() + w[1:] for w in rest)
    return p


def process(path: Path):
    src = path.read_text(encoding="utf-8")
    cls = re.search(r'^@RequestMapping\("([^"]+)"\)', src, re.M)
    prefix = cls.group(1) if cls else ""
    changed = 0

    def repl(m):
        nonlocal changed
        body = m.group(1)
        vm = VALUE_RE.search(body)
        if not vm:
            return m.group(0)
        value_expr = vm.group(1)
        paths = paths_of(value_expr)
        full = prefix + paths[0]
        key = norm_path(full)
        if key not in METHODS:
            raise SystemExit(f"未定义 HTTP 方法: {path.name} -> {full}")
        ann = METHODS[key]
        pm = PRODUCES_RE.search(body)
        parts = [f"value = {value_expr}"]
        if pm:
            parts.append(f"produces = {pm.group(1)}")
        changed += 1
        return f"@{ann}Mapping({', '.join(parts)})"

    new_src = ANN_RE.sub(repl, src)
    if not changed:
        return 0

    # 清理 / 补齐 import
    if "RequestMethod." not in new_src:
        new_src = new_src.replace(
            "import org.springframework.web.bind.annotation.RequestMethod;\n", "")
    for name in ("GetMapping", "PostMapping"):
        if f"@{name}(" in new_src and f"import org.springframework.web.bind.annotation.{name};" not in new_src:
            new_src = new_src.replace(
                "import org.springframework.web.bind.annotation.RequestMapping;",
                f"import org.springframework.web.bind.annotation.{name};\n"
                "import org.springframework.web.bind.annotation.RequestMapping;", 1)
    # import 块按字母排序
    lines = new_src.split("\n")
    idx = [i for i, ln in enumerate(lines) if ln.startswith("import ")]
    if idx:
        start, end = idx[0], idx[-1]
        block = lines[start:end + 1]
        if all(ln.startswith("import ") for ln in block):
            lines[start:end + 1] = sorted(set(block))
    new_src = "\n".join(lines)
    path.write_text(new_src, encoding="utf-8")
    return changed


total = 0
for f in sorted(CTRL_DIR.glob("*.java")):
    if f.name == "ApiNotifyController.java":
        continue
    n = process(f)
    if n:
        print(f"{f.name}: {n}")
    total += n
print("合计:", total)