#!/bin/bash
# Generate Validation Report
# Part of Andon Signal Validation Framework
#
# Purpose: Generate comprehensive validation report showing all three layers
# When: After validation runs, for reporting and monitoring
# SLO: <5s execution time

set -euo pipefail

# Colors for Andon signals
RED='\033[0;31m'
YELLOW='\033[1;33m'
GREEN='\033[0;32m'
BLUE='\033[0;34m'
NC='\033[0m' # No Color

REPORT_FILE="${1:-validation-report.txt}"
TIMESTAMP=$(date -u +"%Y-%m-%dT%H:%M:%SZ")

echo "==========================================" > "$REPORT_FILE"
echo "Andon Signal Validation Framework Report" >> "$REPORT_FILE"
echo "Generated: $TIMESTAMP" >> "$REPORT_FILE"
echo "==========================================" >> "$REPORT_FILE"
echo "" >> "$REPORT_FILE"

# Layer 1: Compile-Time Validation
echo "Layer 1: Compile-Time Validation (RED)" >> "$REPORT_FILE"
echo "----------------------------------------" >> "$REPORT_FILE"

# Compilation check with error capture
COMPILE_OUTPUT=$(mktemp)
if cargo make check > "$COMPILE_OUTPUT" 2>&1; then
    echo -e "${GREEN}✅ Compilation: PASSED${NC}"
    echo "✅ Compilation: PASSED" >> "$REPORT_FILE"
else
    echo -e "${RED}❌ Compilation: FAILED${NC}"
    echo "❌ Compilation: FAILED" >> "$REPORT_FILE"
    # Add error details to report (last 10 lines)
    echo "  Error details:" >> "$REPORT_FILE"
    tail -10 "$COMPILE_OUTPUT" | sed 's/^/    /' >> "$REPORT_FILE" || true
fi
rm -f "$COMPILE_OUTPUT"

# Linting check with error capture
LINT_OUTPUT=$(mktemp)
if cargo make lint > "$LINT_OUTPUT" 2>&1; then
    echo -e "${GREEN}✅ Linting: PASSED${NC}"
    echo "✅ Linting: PASSED" >> "$REPORT_FILE"
else
    echo -e "${RED}❌ Linting: FAILED${NC}"
    echo "❌ Linting: FAILED" >> "$REPORT_FILE"
    # Add error details to report (last 10 lines)
    echo "  Error details:" >> "$REPORT_FILE"
    tail -10 "$LINT_OUTPUT" | sed 's/^/    /' >> "$REPORT_FILE" || true
fi
rm -f "$LINT_OUTPUT"
echo "" >> "$REPORT_FILE"

# Layer 2: Test-Time Validation
echo "Layer 2: Test-Time Validation (YELLOW)" >> "$REPORT_FILE"
echo "----------------------------------------" >> "$REPORT_FILE"

# Unit tests with error capture
UNIT_TEST_OUTPUT=$(mktemp)
if cargo make test-unit > "$UNIT_TEST_OUTPUT" 2>&1; then
    echo -e "${GREEN}✅ Unit Tests: PASSED${NC}"
    echo "✅ Unit Tests: PASSED" >> "$REPORT_FILE"
else
    echo -e "${YELLOW}⚠️  Unit Tests: FAILED${NC}"
    echo "⚠️  Unit Tests: FAILED" >> "$REPORT_FILE"
    # Extract failure summary
    FAILED_COUNT=$(grep -c "test.*FAILED" "$UNIT_TEST_OUTPUT" 2>/dev/null || echo "0")
    if [ "$FAILED_COUNT" -gt 0 ]; then
        echo "  Failed tests: $FAILED_COUNT" >> "$REPORT_FILE"
        grep "test.*FAILED" "$UNIT_TEST_OUTPUT" | head -5 | sed 's/^/    /' >> "$REPORT_FILE" || true
    fi
fi
rm -f "$UNIT_TEST_OUTPUT"

# Integration tests (clnrm) with error capture
CLNRM_TEST_OUTPUT=$(mktemp)
if [ -f "/tmp/clnrm/target/release/clnrm" ]; then
    if cargo make test-clnrm > "$CLNRM_TEST_OUTPUT" 2>&1; then
        echo -e "${GREEN}✅ Integration Tests (clnrm): PASSED${NC}"
        echo "✅ Integration Tests (clnrm): PASSED" >> "$REPORT_FILE"
    else
        echo -e "${YELLOW}⚠️  Integration Tests (clnrm): FAILED${NC}"
        echo "⚠️  Integration Tests (clnrm): FAILED" >> "$REPORT_FILE"
        # Add error details (last 10 lines)
        echo "  Error details:" >> "$REPORT_FILE"
        tail -10 "$CLNRM_TEST_OUTPUT" | sed 's/^/    /' >> "$REPORT_FILE" || true
    fi
else
    echo -e "${YELLOW}⚠️  Integration Tests (clnrm): SKIPPED (clnrm not found)${NC}"
    echo "⚠️  Integration Tests (clnrm): SKIPPED (clnrm not found)" >> "$REPORT_FILE"
fi
rm -f "$CLNRM_TEST_OUTPUT"
echo "" >> "$REPORT_FILE"

# Layer 3: Runtime Validation
echo "Layer 3: Runtime Validation (GREEN)" >> "$REPORT_FILE"
echo "----------------------------------------" >> "$REPORT_FILE"

# CLI verification with error capture
CLI_VERIFY_OUTPUT=$(mktemp)
if cargo make verify-cli > "$CLI_VERIFY_OUTPUT" 2>&1; then
    echo -e "${GREEN}✅ CLI Verification: PASSED${NC}"
    echo "✅ CLI Verification: PASSED" >> "$REPORT_FILE"
else
    echo -e "${RED}❌ CLI Verification: FAILED${NC}"
    echo "❌ CLI Verification: FAILED" >> "$REPORT_FILE"
    # Extract failure details
    FAILED_COMMANDS=$(grep -c "✗ FAILED" "$CLI_VERIFY_OUTPUT" 2>/dev/null || echo "0")
    if [ "$FAILED_COMMANDS" -gt 0 ]; then
        echo "  Failed commands: $FAILED_COMMANDS" >> "$REPORT_FILE"
        grep "✗ FAILED" "$CLI_VERIFY_OUTPUT" | head -5 | sed 's/^/    /' >> "$REPORT_FILE" || true
    fi
    # Add error details (last 10 lines)
    echo "  Error details:" >> "$REPORT_FILE"
    tail -10 "$CLI_VERIFY_OUTPUT" | sed 's/^/    /' >> "$REPORT_FILE" || true
fi
rm -f "$CLI_VERIFY_OUTPUT"
echo "" >> "$REPORT_FILE"

# Summary
echo "==========================================" >> "$REPORT_FILE"
echo "Summary" >> "$REPORT_FILE"
echo "==========================================" >> "$REPORT_FILE"
echo "Report saved to: $REPORT_FILE" >> "$REPORT_FILE"
echo "Timestamp: $TIMESTAMP" >> "$REPORT_FILE"
echo "" >> "$REPORT_FILE"

echo ""
echo -e "${BLUE}Validation report generated: $REPORT_FILE${NC}"
cat "$REPORT_FILE"