#!/bin/bash
# Check CodeQL SARIF results for HIGH/CRITICAL findings
set -e

RED='\033[0;31m'
GREEN='\033[0;32m'
YELLOW='\033[1;33m'
NC='\033[0m'

FAILED=0

check_sarif() {
    local sarif_file=$1
    local lang=$2

    if [ ! -f "$sarif_file" ]; then
        echo -e "${RED}❌ No SARIF file found: $sarif_file${NC}"
        echo "Run CodeQL scan first: pre-commit run --hook-stage manual codeql-$lang-scan --all-files"
        FAILED=1
        return 1
    fi

    echo "🔍 Checking $lang findings..."

        # Check for findings using jq (if available)
    if command -v jq &> /dev/null; then
                # Count high/critical severity findings.
                # Note: CodeQL SARIF may omit result-level `level`; when absent, severity
                # is defined on the rule metadata (`tool.driver.rules[].defaultConfiguration.level`).
                HIGH_COUNT=$(jq -r '[
                    .runs[] as $run
                    | $run.results[]
                    | . as $result
                    | (($result.level // ($run.tool.driver.rules[$result.ruleIndex].defaultConfiguration.level // "")) | ascii_downcase) as $effectiveLevel
                    | select($effectiveLevel == "error" or $effectiveLevel == "warning")
                ] | length' "$sarif_file" 2>/dev/null || echo 0)

        if [ "$HIGH_COUNT" -gt 0 ]; then
            echo -e "${RED}❌ Found $HIGH_COUNT potential security issues in $lang code${NC}"
            echo ""
            echo "Summary:"
                        jq -r '
                            .runs[] as $run
                            | $run.results[]
                            | . as $result
                            | (($result.level // ($run.tool.driver.rules[$result.ruleIndex].defaultConfiguration.level // "")) | ascii_downcase) as $effectiveLevel
                            | select($effectiveLevel == "error" or $effectiveLevel == "warning")
                            | "\($effectiveLevel): \($result.ruleId // "<unknown-rule>"): \($result.message.text) (\($result.locations[0].physicalLocation.artifactLocation.uri):\($result.locations[0].physicalLocation.region.startLine))"
                        ' "$sarif_file" 2>/dev/null | head -10
            echo ""
            echo "View full results: code $sarif_file"
            FAILED=1
        else
            echo -e "${GREEN}✅ No security issues found in $lang code${NC}"
        fi
    else
        # Fallback: check if file has results
        if grep -q '"results"' "$sarif_file" && ! grep -q '"results": \[\]' "$sarif_file"; then
            echo -e "${YELLOW}⚠️  CodeQL findings detected in $lang (install jq for details)${NC}"
            echo "View results: code $sarif_file"
            FAILED=1
        else
            echo -e "${GREEN}✅ No security issues found in $lang code${NC}"
        fi
    fi
}

echo "🔒 Checking CodeQL findings..."
echo ""

check_sarif "codeql-results-go.sarif" "go"

# Support both JS artifact names, preferring the CI-aligned canonical file.
if [ -f "codeql-results-js.sarif" ]; then
    check_sarif "codeql-results-js.sarif" "js"
elif [ -f "codeql-results-javascript.sarif" ]; then
    echo -e "${YELLOW}⚠️  Using legacy JS SARIF artifact name: codeql-results-javascript.sarif${NC}"
    check_sarif "codeql-results-javascript.sarif" "js"
else
    check_sarif "codeql-results-js.sarif" "js"
fi

if [ $FAILED -eq 1 ]; then
    echo ""
    echo -e "${RED}❌ CodeQL scan found security issues. Please fix before committing.${NC}"
    echo ""
    echo "To view results:"
    echo "  - VS Code: Install SARIF Viewer extension"
    echo "  - Command line: jq . codeql-results-*.sarif"
    exit 1
fi

echo ""
echo -e "${GREEN}✅ All CodeQL checks passed${NC}"