#!/bin/bash
# CI/CD Setup Verification Script
# Verifies that all CI/CD components are properly configured

set -e

SCRIPT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
PROJECT_ROOT="$(dirname "$SCRIPT_DIR")"

cd "$PROJECT_ROOT"

echo "=========================================="
echo "CI/CD Setup Verification"
echo "=========================================="
echo ""

# Color codes
GREEN='\033[0;32m'
RED='\033[0;31m'
YELLOW='\033[1;33m'
NC='\033[0m' # No Color

SUCCESS=0
WARNINGS=0
FAILURES=0

check_file() {
    local file=$1
    local description=$2

    if [ -f "$file" ]; then
        echo -e "${GREEN}✅${NC} $description: $file"
        ((SUCCESS++))
    else
        echo -e "${RED}❌${NC} $description: $file (NOT FOUND)"
        ((FAILURES++))
    fi
}

check_command() {
    local cmd=$1
    local description=$2

    if command -v "$cmd" &> /dev/null; then
        local version=$($cmd --version 2>&1 | head -1)
        echo -e "${GREEN}✅${NC} $description: $version"
        ((SUCCESS++))
    else
        echo -e "${YELLOW}⚠️${NC}  $description: Not installed (optional)"
        ((WARNINGS++))
    fi
}

echo "📋 Checking CI/CD Configuration Files..."
echo ""

# Check GitHub Actions workflows
check_file ".github/workflows/ci.yml" "Main CI Pipeline"
check_file ".github/workflows/security.yml" "Security Audit Workflow"
check_file ".github/workflows/financial-security-audit.yml" "Financial Security Audit"

echo ""

# Check local development files
echo "📋 Checking Local Development Files..."
echo ""

check_file "Makefile" "GNU Makefile"
check_file "justfile" "Justfile"
check_file ".gitignore" "Git Ignore File"
check_file "CI_CD_SETUP.md" "CI/CD Documentation"

echo ""

# Check tooling
echo "🔧 Checking Development Tools..."
echo ""

check_command "rustc" "Rust Compiler"
check_command "cargo" "Cargo Build Tool"
check_command "make" "GNU Make"
check_command "just" "Just Command Runner"
check_command "git" "Git Version Control"

echo ""

# Check optional tools
echo "🔧 Checking Optional Security Tools..."
echo ""

check_command "cargo-audit" "Cargo Audit"
check_command "cargo-tarpaulin" "Cargo Tarpaulin"
check_command "cargo-deny" "Cargo Deny"
check_command "cargo-outdated" "Cargo Outdated"

echo ""

# Test basic commands
echo "🧪 Testing Basic Commands..."
echo ""

if make help &> /dev/null; then
    echo -e "${GREEN}✅${NC} Makefile commands work"
    ((SUCCESS++))
else
    echo -e "${RED}❌${NC} Makefile commands failed"
    ((FAILURES++))
fi

# Test workspace compilation check
echo ""
echo "🔍 Testing Workspace Compilation..."
echo ""

if cargo check --workspace &> /dev/null; then
    echo -e "${GREEN}✅${NC} Workspace compiles successfully"
    ((SUCCESS++))
else
    echo -e "${RED}❌${NC} Workspace compilation failed"
    ((FAILURES++))
fi

# Count warnings
echo ""
echo "📊 Checking Warning Count..."
echo ""

WARNING_COUNT=$(cargo check --workspace 2>&1 | grep 'warning:' | wc -l)
echo "Total warnings: $WARNING_COUNT"

if [ "$WARNING_COUNT" -le 50 ]; then
    echo -e "${GREEN}✅${NC} Warning count within acceptable threshold (≤50)"
    ((SUCCESS++))
else
    echo -e "${YELLOW}⚠️${NC}  Warning count exceeds threshold: $WARNING_COUNT > 50"
    ((WARNINGS++))
fi

# Summary
echo ""
echo "=========================================="
echo "Verification Summary"
echo "=========================================="
echo ""
echo -e "${GREEN}✅ Successes: $SUCCESS${NC}"
echo -e "${YELLOW}⚠️  Warnings:  $WARNINGS${NC}"
echo -e "${RED}❌ Failures:  $FAILURES${NC}"
echo ""

if [ $FAILURES -eq 0 ]; then
    echo -e "${GREEN}🎉 CI/CD setup verification passed!${NC}"
    echo ""
    echo "Next steps:"
    echo "  1. Run 'make pre-commit' before committing"
    echo "  2. Run 'make pre-merge' before creating PRs"
    echo "  3. Review CI_CD_SETUP.md for detailed documentation"
    echo ""
    echo "Optional: Install missing tools with 'make install-tools'"
    exit 0
else
    echo -e "${RED}❌ CI/CD setup verification failed with $FAILURES critical issues${NC}"
    echo ""
    echo "Please review the errors above and fix them before proceeding."
    exit 1
fi