#!/bin/bash

# Post-receive hook for coppertone.tech deployment
# Deploys when the main branch is pushed

set -e

BRANCH="main"
DEPLOY_DIR="/docker/web-hosts/domains/coppertone.tech"
REPO_DIR="/docker/web-hosts/git/coppertone.tech.git"
LOG_FILE="/docker/web-hosts/logs/coppertone.tech-deploy.log"

mkdir -p "$(dirname "$LOG_FILE")"

should_deploy=false
while read -r oldrev newrev refname; do
    branch="${refname#refs/heads/}"
    if [ "$branch" = "$BRANCH" ]; then
        should_deploy=true
        break
    fi
done

if [ "$should_deploy" != true ]; then
    echo "No $BRANCH update detected; skipping deploy" | tee -a "$LOG_FILE"
    exit 0
fi

echo "=== Deployment started at $(date) (branch: $BRANCH) ===" | tee -a "$LOG_FILE"

# Create deploy directory if it doesn't exist
mkdir -p "$DEPLOY_DIR"

# Checkout the latest code from bare repo
echo "Checking out latest code..." | tee -a "$LOG_FILE"
GIT_WORK_TREE="$DEPLOY_DIR" GIT_DIR="$REPO_DIR" git checkout -f "$BRANCH" 2>&1 | tee -a "$LOG_FILE"

cd "$DEPLOY_DIR"

# Build new containers
echo "Building containers..." | tee -a "$LOG_FILE"
podman-compose -f podman-compose.yml build 2>&1 | tee -a "$LOG_FILE"

# Stop old containers
echo "Stopping old containers..." | tee -a "$LOG_FILE"
podman-compose -f podman-compose.yml down 2>&1 | tee -a "$LOG_FILE"

# Start new containers
echo "Starting new containers..." | tee -a "$LOG_FILE"
podman-compose -f podman-compose.yml up -d 2>&1 | tee -a "$LOG_FILE"

# Reload nginx
echo "Reloading nginx..." | tee -a "$LOG_FILE"
/docker/www/scripts/nginx-reload.sh 2>&1 | tee -a "$LOG_FILE"

echo "=== Deployment completed at $(date) ===" | tee -a "$LOG_FILE"