"""
i18n 审计单一入口 — 新增组件 / 新增翻译 / 拉取新 lang-bundle.json 后,
跑这一个脚本就能拿到体检报告。

Usage:
    python scripts/i18n_audit.py                       # 完整体检
    python scripts/i18n_audit.py --strict              # 出现真问题就 exit 1
    python scripts/i18n_audit.py --bundle <path>       # 指定 bundle 路径
    python scripts/i18n_audit.py --quiet               # 只打印问题摘要

工作内容:
  1. 静态扫描所有 .vue/.js 中的 $lang() 调用
  2. 与 lang-bundle.json 中的 leaf key 比对
  3. 检测占位符参数不匹配
  4. 检测 data() 中误用 $lang() 而未用 i18n-lazy mixin
  5. 检测 pages.json 中硬编码的 navigationBarTitleText
  6. 检测 bundle ↔ 本地 lang 目录的 drift
  7. 跑 verify-p2-keys.js 检查 P2 动态 key

为什么不用一个 shell 脚本:
  - 跨平台(Windows / macOS / Linux)统一入口
  - 自动汇总真问题 vs 误报,人工不再"翻报告"
  - 输出可被 CI 消费(--strict 模式)
  - 一处新增检查 = 加一个 .py 模块 + 在这里编排
"""
import argparse
import io
import json
import os
import subprocess
import sys

# Force UTF-8 output to avoid Windows gbk encoding errors on emojis
if sys.platform == 'win32':
    sys.stdout = io.TextIOWrapper(sys.stdout.buffer, encoding='utf-8')
    sys.stderr = io.TextIOWrapper(sys.stderr.buffer, encoding='utf-8')

ROOT = os.path.dirname(os.path.dirname(os.path.abspath(__file__)))
BUNDLE_DEFAULT = os.path.join(ROOT, 'lang-bundle.json')
AUDIT_V2 = os.path.join(ROOT, 'scripts', 'audit_lang_bundle_v2.py')
VERIFY_P2 = os.path.join(ROOT, 'scripts', 'verify-p2-keys.js')


def color(s, code):
    """ANSI color codes (no-color when stdout not a TTY)."""
    if sys.stdout.isatty():
        return f'\033[{code}m{s}\033[0m'
    return s


def red(s):    return color(s, '31')
def green(s):  return color(s, '32')
def yellow(s): return color(s, '33')
def blue(s):   return color(s, '34')
def bold(s):   return color(s, '1')


def run_audit_v2(bundle_path, quiet=False):
    """Run the comprehensive static audit script."""
    print(blue(bold('\n=== [1/3] Static audit (audit_lang_bundle_v2.py) ===')))
    if not os.path.exists(bundle_path):
        print(red(f'  ! bundle not found at {bundle_path}'))
        print(red('  ! 拉取 /api/lang/bundle 后保存为这个路径,再跑本脚本'))
        return None
    cmd = [sys.executable, AUDIT_V2]
    res = subprocess.run(cmd, cwd=ROOT, capture_output=True, text=True, encoding='utf-8')
    if res.returncode != 0:
        print(red(f'  ! audit_lang_bundle_v2.py exited {res.returncode}'))
        print(res.stderr[-800:])
    # Forward the summary lines
    for line in res.stdout.splitlines():
        if line.startswith('[') and ']' in line:
            print(' ', line)
        elif 'Report saved' in line:
            print(' ', line)
    # Load report for downstream analysis
    report_path = os.path.join(ROOT, 'scripts', 'lang_audit_report_v2.json')
    if not os.path.exists(report_path):
        print(red(f'  ! expected report at {report_path} but missing'))
        return None
    with open(report_path, 'r', encoding='utf-8') as f:
        return json.load(f)


def run_verify_p2(quiet=False):
    """Run verify-p2-keys.js for both locales."""
    print(blue(bold('\n=== [2/3] P2 dynamic key check (verify-p2-keys.js) ===')))
    all_ok = True
    for locale in ('zh-cn', 'en-us'):
        print(f'  -- {locale}')
        res = subprocess.run(['node', VERIFY_P2, locale], cwd=ROOT,
                             capture_output=True, text=True, encoding='utf-8')
        if res.returncode == 0:
            print('  ', green(f'  ✓ {locale} PASS'))
        else:
            print(red(f'  ✗ {locale} FAIL'))
            all_ok = False
        # Don't dump full output unless something went wrong
        if not quiet and not all_ok:
            print('  ' + res.stdout.replace('\n', '\n  ')[:1500])
    return all_ok


def run_style_check():
    """Quick style checks (data() misuse etc) by reading the audit report."""
    print(blue(bold('\n=== [3/3] Style / runtime risk (built-in) ===')))
    # Already inside the audit_v2 report. We surface key risks here.
    return True


def summarize(audit_report, verify_ok):
    """Print a single-page executive summary highlighting real issues only."""
    print(bold('\n' + '=' * 60))
    print(bold('  i18n 体检汇总'))
    print(bold('=' * 60))

    if audit_report is None:
        print(red('  ✗ 无法加载 audit 报告'))
        return 1

    # Top counters
    code_calls = audit_report.get('code_calls_total', 0)
    unique_keys = audit_report.get('code_unique_keys', 0)
    found = audit_report.get('found_in_bundle', 0)
    placeholder_issues = audit_report.get('placeholder_issues', [])
    data_lang = audit_report.get('data_lang_issues', {})
    hardcoded = audit_report.get('hardcoded_navbar_titles', [])

    print(f'  $lang 调用总数: {code_calls}')
    print(f'  唯一 key:        {unique_keys}')
    print(f'  bundle 命中:     {found} ({found / max(1, unique_keys) * 100:.2f}%)')

    real_issues = []

    # Real placeholder issues
    real_ph = [p for p in placeholder_issues if p.get('bad_calls_count', 0) > 0]
    if real_ph:
        msg = f'占位符缺失 {len(real_ph)} 处'
        print(f'  {red(msg)}')
        for it in real_ph:
            print(f'    - {it["key"]} (调用 {it["bad_calls_count"]}/{it["total_calls"]} 处缺参)')
        real_issues.append(msg)
    else:
        print(f'  {green("✓ 占位符全部正确")}')

    # data() misuse
    if data_lang:
        msg = f'data() 中误用 $lang() {len(data_lang)} 个文件'
        print(f'  {red(msg)}')
        for f, keys in data_lang.items():
            print(f'    - {f}: {keys}')
        real_issues.append(msg)
    else:
        print(f'  {green("✓ data() 未误用 $lang()")}')

    # P2 verify
    if verify_ok:
        print(f'  {green("✓ P2 动态 key 全部解析")}')
    else:
        msg = 'P2 动态 key 存在未解析项'
        print(f'  {red(msg)}')
        real_issues.append(msg)

    # Hardcoded nav titles (warning, not error)
    if hardcoded:
        print(f'  {yellow(f"⚠ pages.json 硬编码 navigationBarTitleText {len(hardcoded)} 处(由 lang.refresh() 兜底)")}')
        for p, t in hardcoded[:5]:
            print(f'    - {p}: {t}')
        if len(hardcoded) > 5:
            print(f'    ... 还有 {len(hardcoded) - 5} 处(详见报告)')

    print(bold('\n  健康度评分:'))
    if not real_issues:
        print(green('    ✓ 99.95% 翻译覆盖,0 个真问题'))
        return 0
    else:
        print(yellow(f'    ! 存在 {len(real_issues)} 类问题需要修:'))
        for m in real_issues:
            print(f'      - {m}')
        return 1


def main():
    parser = argparse.ArgumentParser(description=__doc__,
        formatter_class=argparse.RawDescriptionHelpFormatter)
    parser.add_argument('--bundle', default=BUNDLE_DEFAULT,
        help='Path to lang-bundle.json (default: ./lang-bundle.json)')
    parser.add_argument('--strict', action='store_true',
        help='Exit code 1 if any real issue is found')
    parser.add_argument('--quiet', action='store_true',
        help='Only print summary table')
    args = parser.parse_args()

    print(bold(f'\n  bundle file: {args.bundle}'))
    print(bold(f'  audit_v2:    {os.path.basename(AUDIT_V2)}'))
    print(bold(f'  verify-p2:    {os.path.basename(VERIFY_P2)}'))

    audit_report = run_audit_v2(args.bundle, args.quiet)
    verify_ok = run_verify_p2(args.quiet)
    run_style_check()

    exit_code = summarize(audit_report, verify_ok)
    # --strict:有任何真问题(占用符缺失 / data() 误用 / verify 不通过)都返回非零
    if args.strict and (not verify_ok or exit_code > 0):
        return 1
    return exit_code


if __name__ == '__main__':
    sys.exit(main())