#!/bin/bash
set -e

# Check if the required environment variables are set
if [ -z "$REPO_URL" ]; then
    echo "Error: REPO_URL environment variable must be set."
    exit 1
fi

if [ -z "$GIT_USER" ]; then
    echo "Error: GIT_USER environment variable must be set."
    exit 1
fi

if [ -z "$GIT_EMAIL" ]; then
    echo "Error: GIT_EMAIL environment variable must be set."
    exit 1
fi

# Check if the SSH key exists
if [ ! -f /root/.ssh/id_rsa ]; then
    echo "Error: SSH private key not found at /root/.ssh/id_rsa"
    exit 1
fi

# Ensure the SSH key has the correct permissions
chmod 600 /root/.ssh/id_rsa

# Extract the domain from the REPO_URL
DOMAIN=$(echo $REPO_URL | awk -F'[@:]' '{print $3}')

# Check if the repository directory already exists
if [ ! -d "/workspace/.git" ]; then
    # Add the SSH configuration for the domain
    echo "Host $DOMAIN
      HostName $DOMAIN
      IdentityFile /root/.ssh/id_rsa
      StrictHostKeyChecking no
    " >>/root/.ssh/config
    # Clone the repository if it doesn't exist
    git clone $REPO_URL /workspace
fi

# Add the public SSH key to authorized_keys
if [ -f /root/.ssh/hostkey.pub ]; then
    cat /root/.ssh/hostkey.pub >>/root/.ssh/authorized_keys
fi

# If no teleport edition is given, fallback to oss
if [ -z "$TELEPORT_EDITION" ]; then
    TELEPORT_EDITION="oss"
fi

# Install Teleport if the environment variables are set
if [ -n "$TELEPORT_VERSION" ] && [ -n "$TELEPORT_URL" ]; then
    echo "Installing Teleport version $TELEPORT_VERSION, edition $TELEPORT_EDITION..."
    echo "Executing: curl     curl https://cdn.teleport.dev/install-v${TELEPORT_VERSION}.sh"
    curl https://cdn.teleport.dev/install-v${TELEPORT_VERSION}.sh
    echo "Execute downloaded script"
    ./install-v${TELEPORT_VERSION}.sh ${TELEPORT_VERSION} ${TELEPORT_EDITION}
else
    echo "Error: TELEPORT_VERSION and TELEPORT_EDITION environment variables must be set."
fi

# Change to the repository directory
cd /workspace

# Install dependencies
yarn install

# Copy the environment file to the repository's environments directory
if [ -f /environment/.dev.env ]; then
    mkdir -p /workspace/environments
    cp /environment/.dev.env /workspace/environments/.dev.env
else
    echo "Environment file not found at /environment/.dev.env"
fi
# Set the git user and email
git config --global user.name $GIT_USER
git config --global user.email $GIT_EMAIL

# Get the hostname of the machine
HOSTNAME=$(hostname)

# # File path
# CONFIG_FILE="/etc/teleport.yaml"

# # Edit the teleport.yaml file to update the nodename
# sed -i "s/^  nodename:.*/  nodename: $HOSTNAME/" "$CONFIG_FILE"

## If teleport token is set, join the server
if [ -n "$TELEPORT_TOKEN" ]; then
    teleport configure --roles=node --token=$TELEPORT_TOKEN --proxy=$TELEPORT_URL -o file
fi

nohup teleport start &
# Start the application with pm2
exec pm2-runtime "yarn start:dev"