"""history 命令 — 查询对象版本历史。"""
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.history")


def _format_date(value: str) -> str:
    """ISO 日期 ``2026-06-15T10:30:00`` → ``2026-06-15 10:30:00``。"""
    if not value:
        return ""
    return value.replace("T", " ").rstrip("Z").strip()


def cmd_history(args: argparse.Namespace, client: ADTClient) -> None:
    """查询对象的版本历史。"""
    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("  对象版本历史")
    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  → 正在查询版本历史...")
    try:
        versions = client.get_object_versions(parsed.obj_uri)
    except Exception as e:
        print(f"  ✗ 查询版本历史失败: {e}")
        return

    if not versions:
        print("  ℹ 未找到版本历史")
        return

    print(f"  ✓ 找到 {len(versions)} 个版本\n")
    print(
        f"  {'Version':<10} {'Author':<12} {'Date':<22} Description"
    )
    print(
        f"  {'─' * 10} {'─' * 12} {'─' * 22} {'─' * 30}"
    )
    for v in versions:
        version = v.get("version", "") or "active"
        author = v.get("author", "")
        date = _format_date(v.get("date", ""))
        title = v.get("versionTitle", "")
        print(f"  {version:<10} {author:<12} {date:<22} {title}")
    print()