#!/usr/bin/env bash
set -euo pipefail

# Read hook input from stdin (JSON with tool_input.file_path)
INPUT=$(cat)
FILE_PATH=$(echo "$INPUT" | python3 -c "import sys,json; print(json.load(sys.stdin).get('tool_input',{}).get('file_path',''))" 2>/dev/null || echo "")

# Only run for OpenAPI spec files
case "$FILE_PATH" in
    */openapi/*.yaml|*/openapi/*.yml) ;;
    *) exit 0 ;;
esac

cd "$CLAUDE_PROJECT_DIR/backend"

# Run validation (zero-config: structural validity only)
if OUTPUT=$(npx @redocly/cli@latest lint src/main/resources/openapi/api.yaml --format=stylish 2>&1); then
    echo '{"hookSpecificOutput":{"hookEventName":"PostToolUse","additionalContext":"✓ OpenAPI spec validation passed."}}'
else
    ESCAPED=$(echo "$OUTPUT" | python3 -c "import sys,json; print(json.dumps(sys.stdin.read()))")
    echo "{\"hookSpecificOutput\":{\"hookEventName\":\"PostToolUse\",\"additionalContext\":$ESCAPED}}"
fi