#!/usr/bin/env bash
# KHAELOR
# File: scripts/check-headers.sh
# Description: Enforce Absolute Rule #0 — every first-party source file must carry the author header.
#
# Author: Simon-Pierre Boucher
# Contact: contact@spboucher.ai

set -euo pipefail

ROOT="$(cd "$(dirname "${BASH_SOURCE[0]}")/.." && pwd)"
cd "$ROOT"

AUTHOR="Simon-Pierre Boucher"
CONTACT="contact@spboucher.ai"

fail=0
checked=0

# First-party source files: src/, scripts/, and deliverable docs (docs/**/*.md).
# Exemptions: references/ (third-party), node_modules/, pure data files (.json, lockfiles).
files=$(find src scripts docs -type f \
  \( -name '*.ts' -o -name '*.tsx' -o -name '*.js' -o -name '*.mjs' -o -name '*.cjs' \
     -o -name '*.sh' -o -name '*.rs' -o -name '*.md' -o -name '*.yaml' -o -name '*.yml' \
     -o -name '*.toml' -o -name '*.jsonc' \) \
  2>/dev/null | grep -v -E '(^|/)(node_modules|references|dist|build)/' || true)

for f in $files; do
  checked=$((checked + 1))
  head_block=$(head -n 12 "$f")
  if ! grep -q "KHAELOR" <<<"$head_block"; then
    echo "MISSING HEADER (no KHAELOR marker): $f"
    fail=1
    continue
  fi
  if ! grep -q "$AUTHOR" <<<"$head_block"; then
    echo "MISSING HEADER (no author line): $f"
    fail=1
    continue
  fi
  if ! grep -q "$CONTACT" <<<"$head_block"; then
    echo "MISSING HEADER (no contact line): $f"
    fail=1
    continue
  fi
done

if [ "$fail" -ne 0 ]; then
  echo "check-headers: FAILED"
  exit 1
fi

echo "check-headers: OK ($checked files checked)"