#!/bin/bash
# Initialize a new VPS project with automatic Gitea remote configuration
#
# Usage: init-project <project-name>
# Example: init-project my-app
#
# This script:
# - Creates a new project directory
# - Initializes git repository
# - Configures Gitea SSH remote automatically
# - Copies agents to .claude/agents/ for Claude Code
# - Sets up git user info

set -e

PROJECT_NAME="${1:?Error: Project name required. Usage: init-project <project-name>}"

# Verify valid project name
if [[ ! "$PROJECT_NAME" =~ ^[a-zA-Z0-9._-]+$ ]]; then
    echo "❌ Invalid project name: $PROJECT_NAME"
    echo "   Use only alphanumeric characters, dots, hyphens, and underscores"
    exit 1
fi

GITEA_HOST="100.120.125.113"
GITEA_ORG="pdm"
REPO_URL="git@$GITEA_HOST:$GITEA_ORG/$PROJECT_NAME.git"
AGENTS_SOURCE="$HOME/.homelab-agents/agents"

# Check if directory already exists
if [[ -d "$PROJECT_NAME" ]]; then
    echo "❌ Directory already exists: $PROJECT_NAME"
    exit 1
fi

# Check for SSH key (needed for git push to work)
if [[ ! -f "$HOME/.ssh/id_ed25519" ]] && [[ ! -f "$HOME/.ssh/id_rsa" ]]; then
    echo "⚠️  Warning: No SSH key found"
    echo "   For git push to work, you need to:"
    echo "   1. Generate SSH key: ssh-keygen -t ed25519 -f ~/.ssh/id_ed25519"
    echo "   2. Add to Gitea: http://100.120.125.113:3000 → Settings → SSH Keys"
    echo ""
fi

echo "📁 Creating project directory: $PROJECT_NAME"
mkdir -p "$PROJECT_NAME"
cd "$PROJECT_NAME"

echo "🔧 Initializing git repository..."
git init
git config user.name "Homelab Automation"
git config user.email "automation@homelab"
git branch -M main

echo "🔗 Configuring Gitea SSH remote..."
git remote add origin "$REPO_URL"

echo "📚 Setting up Claude Code agents..."
mkdir -p ".claude/agents"

# Copy agents from homelab-agents if available
if [[ -d "$AGENTS_SOURCE" ]]; then
    cp "$AGENTS_SOURCE"/*.md ".claude/agents/" 2>/dev/null || true
    AGENT_COUNT=$(find ".claude/agents" -name "*.md" | wc -l)
    if [[ $AGENT_COUNT -gt 0 ]]; then
        echo "✅ Copied $AGENT_COUNT agent(s) to .claude/agents/"
    fi
else
    echo "⚠️  Note: ~/.homelab-agents not found, agents not copied"
    echo "   You can manually copy agents later or run bootstrap-agents.sh"
fi

echo ""
echo "✅ Project initialized successfully!"
echo ""
echo "📋 Project Details:"
echo "   Name: $PROJECT_NAME"
echo "   Directory: $(pwd)"
echo "   Remote: $REPO_URL"
echo "   Branch: main"
echo "   Agents: .claude/agents/"
echo ""
echo "🚀 Next steps:"
echo "   1. Start working in this directory"
echo "   2. Create files and make changes"
echo "   3. When done, use the summary agent: .claude/agents/sysadmin-session-closer.md"
echo "   4. Agent will automatically commit and push to Gitea (via SSH)"