#!/bin/bash

# Quick Pre-Push Hook Script
# Minimal checks for quick fixes and small changes
# Use this for: styling, text changes, minor bug fixes

set -e  # Exit on any error

echo "⚡ Running QUICK Pre-Push Checks..."
echo "==================================="

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

# Function to print colored output
print_status() {
    echo -e "${BLUE}[INFO]${NC} $1"
}

print_success() {
    echo -e "${GREEN}[SUCCESS]${NC} $1"
}

print_warning() {
    echo -e "${YELLOW}[WARNING]${NC} $1"
}

print_error() {
    echo -e "${RED}[ERROR]${NC} $1"
}

# Check if we're in a git repository
if ! git rev-parse --git-dir > /dev/null 2>&1; then
    print_error "Not in a git repository!"
    exit 1
fi

# Get current branch
CURRENT_BRANCH=$(git branch --show-current)
print_status "Current branch: $CURRENT_BRANCH"

# Check if there are uncommitted changes
if ! git diff-index --quiet HEAD --; then
    print_error "You have uncommitted changes. Please commit or stash them first."
    exit 1
fi

# 1. Quick ESLint check (only on changed files)
print_status "Running ESLint on changed files..."
CHANGED_FILES=$(git diff --name-only --cached | grep -E '\.(ts|tsx|js|jsx)$' || true)
if [ -n "$CHANGED_FILES" ]; then
    if ! npx eslint $CHANGED_FILES; then
        print_error "ESLint failed on changed files! Please fix the errors."
        exit 1
    fi
    print_success "ESLint passed on changed files"
else
    print_status "No TypeScript/JavaScript files changed, skipping ESLint"
fi

# 2. Quick Type Check (only on changed files)
print_status "Running TypeScript type check on changed files..."
if [ -n "$CHANGED_FILES" ]; then
    if ! npx tsc --noEmit --skipLibCheck; then
        print_error "TypeScript type check failed!"
        exit 1
    fi
    print_success "TypeScript type check passed"
else
    print_status "No TypeScript files changed, skipping type check"
fi

# 3. Check for obvious syntax errors (very fast)
print_status "Checking for syntax errors..."
if ! node -c package.json 2>/dev/null; then
    print_error "Package.json syntax error!"
    exit 1
fi

echo ""
echo "==================================="
print_success "Quick pre-push checks passed! ⚡"
print_status "Ready to push to $CURRENT_BRANCH"
print_warning "Note: Full tests and build will run in CI/CD"
echo "==================================="

# Show what will be pushed
echo ""
print_status "Files to be pushed:"
git diff --name-only origin/$CURRENT_BRANCH..HEAD 2>/dev/null || git diff --name-only HEAD~1..HEAD

echo ""
print_status "Proceeding with quick push..."