"""Adapter: tsc --noEmit text output normalized to Finding[]."""
from __future__ import annotations

import re

from scripts.manifest import Finding


_LINE_RE = re.compile(
    r"^(?P<file>[^(]+)\((?P<line>\d+),\d+\):\s*"
    r"(?P<severity>error|warning)\s+"
    r"(?P<code>TS\d+):\s*"
    r"(?P<message>.+?)\s*$"
)


def parse_tsc_output(stdout: str) -> list[Finding]:
    out: list[Finding] = []
    for raw in stdout.splitlines():
        m = _LINE_RE.match(raw)
        if not m:
            continue
        sev = "medium" if m.group("severity") == "error" else "low"
        out.append(Finding(
            tool="tsc",
            rule_id=m.group("code"),
            severity=sev,
            file=m.group("file"),
            line=int(m.group("line")),
            end_line=int(m.group("line")),
            message=m.group("message"),
        ))
    return out