#!/usr/bin/env bash
# NAME: Setup dotfiles and Neovim configuration

set -euo pipefail

DOTFILES_REPO="https://git.mz.uy/marianozunino/dotfiles.git"
NVIM_REPO="https://github.com/marianozunino/nvim.git"
DOTFILES_DIR="$HOME/dotfiles"
NVIM_CONFIG_DIR="$HOME/.config/nvim"

echo "🏠 Setting up Forbi's development environment..."

# ═══════════════════════════════════════════════════════════
# 📁 CLONE DOTFILES
# ═══════════════════════════════════════════════════════════
echo "📦 Cloning dotfiles repository..."

if [[ -d "$DOTFILES_DIR" ]]; then
    echo "→ Dotfiles directory already exists, updating..."
    cd "$DOTFILES_DIR"
    git pull origin main || git pull origin master
else
    echo "→ Cloning dotfiles to $DOTFILES_DIR"
    git clone "$DOTFILES_REPO" "$DOTFILES_DIR"
fi

# ═══════════════════════════════════════════════════════════
# 🔐 HANDLE GIT-CRYPT
# ═══════════════════════════════════════════════════════════
echo "🔐 Checking for git-crypt..."

cd "$DOTFILES_DIR"

# Check if repo uses git-crypt
if [[ -f ".git-crypt/.gitattributes" ]] || git-crypt status &>/dev/null; then
    echo "→ git-crypt repository detected"

    # Check if already unlocked
    if git-crypt status | grep -q "unlocked"; then
        echo "→ Repository already unlocked"
    else
        echo "→ Repository is encrypted, attempting to unlock..."

        # Check if YubiKey/GPG setup is available
        if command -v gpg &>/dev/null; then
            echo "→ GPG found, checking for available keys..."

            # List secret keys to see if YubiKey is connected
            if gpg --list-secret-keys &>/dev/null; then
                echo "→ GPG keys detected, attempting git-crypt unlock..."

                # Attempt to unlock with GPG (YubiKey)
                if git-crypt unlock 2>/dev/null; then
                    echo "✅ Repository unlocked successfully with GPG/YubiKey!"
                else
                    echo "❌ Failed to unlock with GPG"
                    echo
                    echo "🔑 Manual unlock required:"
                    echo "  1. Make sure your YubiKey is connected"
                    echo "  2. Test GPG: gpg --card-status"
                    echo "  3. Try: cd $DOTFILES_DIR && git-crypt unlock"
                    echo "  4. Or unlock with key file: git-crypt unlock /path/to/key"
                    echo "  5. Then re-run: ./run forbi"
                    echo
                    exit 1
                fi
            else
                echo "❌ No GPG secret keys found"
                echo
                echo "🔑 YubiKey/GPG setup needed:"
                echo "  1. Connect your YubiKey"
                echo "  2. Import your GPG key: gpg --card-status"
                echo "  3. Set trust level: gpg --edit-key <your-key-id> trust"
                echo "  4. Then re-run: ./run forbi"
                echo
                exit 1
            fi
        else
            echo "❌ GPG not available"
            echo
            echo "🔑 To unlock your dotfiles:"
            echo "  1. Install GPG and connect YubiKey, or"
            echo "  2. Use key file: cd $DOTFILES_DIR && git-crypt unlock /path/to/key"
            echo "  3. Then re-run: ./run forbi"
            echo
            exit 1
        fi
    fi
else
    echo "→ No git-crypt encryption detected"
fi

# ═══════════════════════════════════════════════════════════
# ⚙️ CLONE NEOVIM CONFIG
# ═══════════════════════════════════════════════════════════
echo "📝 Setting up Neovim configuration..."

# Backup existing Neovim config if it exists
if [[ -d "$NVIM_CONFIG_DIR" ]]; then
    BACKUP_DIR="$NVIM_CONFIG_DIR.backup.$(date +%Y%m%d_%H%M%S)"
    echo "→ Backing up existing Neovim config to $BACKUP_DIR"
    mv "$NVIM_CONFIG_DIR" "$BACKUP_DIR"
fi

# Clone Neovim configuration
echo "→ Cloning Neovim config to $NVIM_CONFIG_DIR"
git clone "$NVIM_REPO" "$NVIM_CONFIG_DIR"

# ═══════════════════════════════════════════════════════════
# 🔧 CONFIGURE GIT HOOKS
# ═══════════════════════════════════════════════════════════
echo "🎣 Setting up Git hooks for Neovim config..."

cd "$NVIM_CONFIG_DIR"
if [[ -d ".githooks" ]]; then
    git config core.hooksPath .githooks
    echo "→ Git hooks configured"
else
    echo "→ No .githooks directory found, skipping"
fi

# ═══════════════════════════════════════════════════════════
# 📂 CREATE NECESSARY DIRECTORIES
# ═══════════════════════════════════════════════════════════
echo "📂 Creating necessary directories..."

# Create .config directory if it doesn't exist
mkdir -p "$HOME/.config"

# Create common development directories
mkdir -p "$HOME/Dev"
mkdir -p "$HOME/.local/bin"

echo
echo "# Install everything"
echo "stow */"
echo
echo "# Or install individual modules"
echo "stow zsh"
echo "stow nvim"
echo "stow sway"
echo
echo "Run these commands in: $DOTFILES_DIR"

# ═══════════════════════════════════════════════════════════
# 📋 SUMMARY & NEXT STEPS
# ═══════════════════════════════════════════════════════════
echo
echo "📁 Locations:"
echo "  • Dotfiles: $DOTFILES_DIR"
echo "  • Neovim config: $NVIM_CONFIG_DIR"