#!/bin/bash
set -e

# Verifica se é macOS
if [[ "$OSTYPE" != "darwin"* ]]; then
  echo "❌ Este script é destinado apenas ao macOS."
  exit 1
fi

# Instala Homebrew se não existir
if ! command -v brew &>/dev/null; then
  echo "📦 Instalando Homebrew..."
  NONINTERACTIVE=1 /bin/bash -c "$(curl -fsSL https://raw.githubusercontent.com/Homebrew/install/HEAD/install.sh)"

  # Configura brew no PATH (Apple Silicon e Intel)
  if [[ -d /opt/homebrew ]]; then
    echo 'eval "$(/opt/homebrew/bin/brew shellenv)"' >> "$HOME/.zprofile"
    eval "$(/opt/homebrew/bin/brew shellenv)"
  else
    echo 'eval "$(/usr/local/bin/brew shellenv)"' >> "$HOME/.zprofile"
    eval "$(/usr/local/bin/brew shellenv)"
  fi
else
  echo "✅ Homebrew já instalado"
fi

# Instala pacotes básicos
echo "📦 Instalando zsh, git e curl..."
brew install zsh git curl

# Instala Oh My Zsh se não existir
if [ ! -d "$HOME/.oh-my-zsh" ]; then
  echo "🎉 Instalando Oh My Zsh..."
  export RUNZSH=no
  sh -c "$(curl -fsSL https://raw.githubusercontent.com/ohmyzsh/ohmyzsh/master/tools/install.sh)"
else
  echo "✅ Oh My Zsh já instalado"
fi

# Instala Powerlevel10k
if [ ! -d "$HOME/.oh-my-zsh/custom/themes/powerlevel10k" ]; then
  echo "✨ Instalando Powerlevel10k..."
  git clone --depth=1 https://github.com/romkatv/powerlevel10k.git \
    ~/.oh-my-zsh/custom/themes/powerlevel10k
else
  echo "✅ Powerlevel10k já instalado"
fi

# Instala autosuggestions
if [ ! -d "$HOME/.oh-my-zsh/custom/plugins/zsh-autosuggestions" ]; then
  echo "💡 Instalando zsh-autosuggestions..."
  git clone https://github.com/zsh-users/zsh-autosuggestions \
    ~/.oh-my-zsh/custom/plugins/zsh-autosuggestions
else
  echo "✅ zsh-autosuggestions já instalado"
fi

# Instala syntax-highlighting
if [ ! -d "$HOME/.oh-my-zsh/custom/plugins/zsh-syntax-highlighting" ]; then
  echo "🎨 Instalando zsh-syntax-highlighting..."
  git clone https://github.com/zsh-users/zsh-syntax-highlighting \
    ~/.oh-my-zsh/custom/plugins/zsh-syntax-highlighting
else
  echo "✅ zsh-syntax-highlighting já instalado"
fi

# Atualiza ~/.zshrc
echo "⚙️ Configurando ~/.zshrc..."

# Define tema
sed -i 's/^ZSH_THEME=.*/ZSH_THEME="powerlevel10k\/powerlevel10k"/' ~/.zshrc || true

# Atualiza plugins (substitui ou adiciona)
if grep -q "^plugins=" ~/.zshrc; then
  sed -i 's/^plugins=.*/plugins=(git zsh-autosuggestions zsh-syntax-highlighting)/' ~/.zshrc
else
  echo 'plugins=(git zsh-autosuggestions zsh-syntax-highlighting)' >> ~/.zshrc
fi

# Torna zsh padrão
if [ "$SHELL" != "$(which zsh)" ]; then
  echo "🖥️ Definindo zsh como shell padrão..."
  chsh -s $(which zsh)
fi

# 📥 Coleta informações
read -p "👤 Nome do usuário Git: " git_name
read -p "📧 Email do usuário Git: " git_email
read -p "🔐 SSH signing key (ex: ssh-ed25519 AAAA...): " git_signingkey
read -p "🧩 Caminho do programa SSH (ex: /mnt/c/.../op-ssh-sign-wsl): " git_program

mkdir -p ~/.ssh
chmod 700 ~/.ssh

# 🔐 Chaves SSH
echo -n "🔐 Deseja adicionar suas chaves SSH pública e privada? [Y/n] "
read -r resposta
resposta=${resposta:-y}
resposta=$(echo "$resposta" | tr '[:upper:]' '[:lower:]')

if [ "$resposta" != "n" ]; then
  if [ -f ~/.ssh/id_ed25519 ]; then
    echo "⚠️  Chave privada ~/.ssh/id_ed25519 já existe. Pulando..."
  else
    echo "✍️  Cole a chave **privada** (termine com Ctrl+D):"
    cat > ~/.ssh/id_ed25519
    chmod 600 ~/.ssh/id_ed25519
  fi

  if [ -f ~/.ssh/id_ed25519.pub ]; then
    echo "⚠️  Chave pública ~/.ssh/id_ed25519.pub já existe. Pulando..."
  else
    echo -n "✍️  Cole a chave **pública** (uma linha): "
    read -r pubkey
    echo "$pubkey" > ~/.ssh/id_ed25519.pub
    chmod 644 ~/.ssh/id_ed25519.pub
  fi

  echo "✅ Chaves verificadas"
else
  echo "⏭️  Processo ignorado"
fi

echo "🚀 Instalando: nvm, Node.js, npm, vercel, yalc, pnpm, yarn, eslint, prettier, ffmpeg..."

# 📦 Instala NVM
if [ ! -d "$HOME/.nvm" ]; then
  curl -o- https://raw.githubusercontent.com/nvm-sh/nvm/v0.39.7/install.sh | bash
fi

export NVM_DIR="$HOME/.nvm"
source "$NVM_DIR/nvm.sh"

# 🧠 Atualiza ~/.zshrc com NVM se ainda não tiver
if ! grep -q 'export NVM_DIR=' ~/.zshrc; then
  echo 'export NVM_DIR="$HOME/.nvm"' >> ~/.zshrc
  echo '[ -s "$NVM_DIR/nvm.sh" ] && \. "$NVM_DIR/nvm.sh"' >> ~/.zshrc
fi

# 📌 Instala última LTS
nvm install --lts >/dev/null
nvm use --lts >/dev/null

# ✅ Corepack
if command -v corepack &>/dev/null; then
  corepack enable
fi

# 🎞️ ffmpeg
if ! command -v ffmpeg &>/dev/null; then
  brew install ffmpeg
else
  echo "✅ ffmpeg já instalado"
fi

# 📝 .gitconfig
if [ -f ~/.gitconfig ]; then
  echo "⚠️  ~/.gitconfig já existe. Pulando..."
else
  cat > ~/.gitconfig <<EOF
[user]
  name = $git_name
  email = $git_email
  signingkey = $git_signingkey
[gpg]
  format = ssh
[gpg "ssh"]
  program = "$git_program"
[commit]
  gpgsign = true
EOF
  echo "✅ .gitconfig criado"
fi

# 🧠 .vimrc
if [ -f ~/.vimrc ]; then
  echo "⚠️  ~/.vimrc já existe. Pulando..."
else
  cat > ~/.vimrc <<'EOF'
inoremap jj <Esc>
nnoremap j jzz
nnoremap k kzz
EOF
  echo "✅ .vimrc criado"
fi

# 🔄 Globais npm
global_pkgs=(vercel yalc pnpm eslint prettier yarn)
for pkg in "${global_pkgs[@]}"; do
  if ! command -v "$pkg" &>/dev/null; then
    echo "⬇️ Instalando $pkg..."
    npm install -g "$pkg"
  else
    echo "✅ $pkg já instalado"
  fi
done

echo "🎉 Ambiente de dev configurado com sucesso!"
echo "✅ Instalação concluída. Abrindo o zsh..."
exec zsh