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

ROOT="$(cd "$(dirname "${BASH_SOURCE[0]}")/.." && pwd)"
cd "$ROOT"

echo "[1/8] Validating frontend..."

[ -f package.json ] || {
    echo "package.json not found."
    exit 1
}

mkdir -p .backup

STAMP="$(date +%Y%m%d-%H%M%S)"

echo "[2/8] Backup..."

tar -czf ".backup/frontend-${STAMP}.tar.gz" \
app \
components \
src \
package.json \
next.config.js \
postcss.config.js \
tailwind.config.js \
2>/dev/null || true

echo "[3/8] Remove duplicate App Router..."

if [ -d src/app ]; then
    cp -rn src/app/* app/ 2>/dev/null || true
    rm -rf src/app
fi

echo "[4/8] Merge duplicate components..."

if [ -d src/components ]; then
    mkdir -p components
    cp -rn src/components/* components/ 2>/dev/null || true
    rm -rf src/components
fi

echo "[5/8] Cleanup..."

rm -f components/*.broken
rm -f src/App.jsx
rm -f src/index.js

echo "[6/8] Install dependencies..."

npm install

echo "[7/8] Verify..."

test -d app
test -d components
test -f app/layout.jsx
test -f app/page.jsx
test -f package.json

echo "[8/8] Complete."

echo "Frontend normalized successfully."