#!/usr/bin/env sh
# list-packages.sh — 列出專案的所有外部套件與目前版本。
# 用法: list-packages.sh [專案目錄]（預設目前目錄）
# 輸出（TSV）: ecosystem<TAB>name<TAB>current
# 支援: nodejs（package.json）、python（requirements.txt / pyproject.toml）、dotnet（*.csproj）
set -u
DIR="${1:-.}"

# nodejs: package.json 的 dependencies / devDependencies
if [ -f "$DIR/package.json" ]; then
  python3 - "$DIR/package.json" <<'EOF'
import json,sys
d=json.load(open(sys.argv[1],encoding="utf-8"))
for k in ("dependencies","devDependencies"):
    for name,ver in (d.get(k) or {}).items():
        print(f"nodejs\t{name}\t{ver}")
EOF
fi

# python: requirements.txt
if [ -f "$DIR/requirements.txt" ]; then
  python3 - "$DIR/requirements.txt" <<'EOF'
import re,sys
for line in open(sys.argv[1],encoding="utf-8"):
    line=line.split("#")[0].strip()
    if not line or line.startswith("-"): continue
    m=re.match(r"([A-Za-z0-9_.\-\[\]]+)\s*(?:(?:==|>=|<=|~=|!=|>|<)\s*([^,;\s]+))?",line)
    if m: print(f"python\t{m.group(1)}\t{m.group(2) or ''}")
EOF
fi

# python: pyproject.toml 的 [project] dependencies
if [ -f "$DIR/pyproject.toml" ]; then
  python3 - "$DIR/pyproject.toml" <<'EOF'
import re,sys
try:
    import tomllib
    d=tomllib.load(open(sys.argv[1],"rb"))
except Exception:
    sys.exit(0)
deps=(d.get("project") or {}).get("dependencies") or []
for dep in deps:
    m=re.match(r"([A-Za-z0-9_.\-\[\]]+)\s*(?:(?:==|>=|<=|~=|!=|>|<)\s*([^,;\s]+))?",dep)
    if m: print(f"python\t{m.group(1)}\t{m.group(2) or ''}")
EOF
fi

# dotnet: *.csproj 的 PackageReference
find "$DIR" -maxdepth 3 -name '*.csproj' 2>/dev/null | while IFS= read -r proj; do
  python3 - "$proj" <<'EOF'
import re,sys
text=open(sys.argv[1],encoding="utf-8").read()
for tag in re.findall(r"<PackageReference\b[^>]*>",text):
    inc=re.search(r'Include="([^"]+)"',tag)
    ver=re.search(r'Version="([^"]+)"',tag)
    if inc: print(f"dotnet\t{inc.group(1)}\t{ver.group(1) if ver else ''}")
EOF
done
exit 0