"""enhancement 命令 — 查询对象的增强实现。"""
from __future__ import annotations

import argparse
import logging

from sapcli.client import ADTClient
from sapcli.exceptions import ObjectNotFoundError
from sapcli.types import get_type_config, parse_object_name

logger = logging.getLogger("sapcli.commands.enhancement")


def cmd_enhancement(args: argparse.Namespace, client: ADTClient) -> None:
    """查询对象的增强实现（ENHO）。"""
    name: str = args.name
    obj_type: str = args.type

    parsed = parse_object_name(name, obj_type)
    type_label = get_type_config(obj_type).label

    print("=" * 60)
    print("  对象增强实现查询")
    print("=" * 60)
    print(f"  对象类型: {type_label}")
    print(f"  对象名称: {parsed.display_name}")

    print(f"\n  → 检查对象是否存在...")
    if not client.object_exists(parsed.obj_uri):
        print(f"  ✗ 对象不存在: {parsed.display_name}")
        raise ObjectNotFoundError(parsed.display_name, obj_type)
    print("  ✓ 对象存在")

    print(f"\n  → 正在查询增强实现...")
    try:
        enhancements = client.get_enhancements(parsed.obj_uri)
    except Exception as e:
        print(f"  ✗ 查询增强实现失败: {e}")
        return

    if not enhancements:
        print("  ℹ 未找到增强实现")
        return

    print(f"  ✓ 找到 {len(enhancements)} 个增强实现\n")
    for enh in enhancements:
        enh_name = enh.get("name", "")
        enh_type = enh.get("type", "ENHO")
        print(f"  Enhancement Implementation: {enh_name} ({enh_type})")

        enhanced_name = enh.get("enhanced_name", "")
        enhanced_type = enh.get("enhanced_type", "")
        if enhanced_name:
            print(f"    Enhanced Object: {enhanced_name} ({enhanced_type})")

        elements = enh.get("elements", [])
        for i, el in enumerate(elements, 1):
            el_type = el.get("type", "")
            el_name = el.get("name", "")
            label = f"{el_type}: {el_name}" if el_type and el_name else (el_name or el_type)
            print(f"    Element {i}: {label}")
            extras = []
            if el.get("mode"):
                extras.append(f"Mode: {el['mode']}")
            if el.get("replacing"):
                extras.append(f"Replacing: {el['replacing']}")
            if extras:
                print(f"      {', '.join(extras)}")
        print()