#!/bin/bash
set -euo pipefail

# Load IP configuration
SCRIPT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
PROJECT_ROOT="$(cd "$SCRIPT_DIR/.." && pwd)"
source "${PROJECT_ROOT}/config/ip-addresses.conf" 2>/dev/null || true


# Direct NPMplus installation - creates container and installs NPMplus
# This bypasses the interactive Proxmox helper script

set -e

PROXMOX_HOST="${1:-192.168.11.11}"
TZ="${2:-America/New_York}"
ACME_EMAIL="${3:-nsatoshi2007@hotmail.com}"
CTID="${4}"  # Optional: specify container ID

echo "━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━"
echo "🚀 Direct NPMplus Installation"
echo "━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━"
echo ""

# Get next available CTID if not specified
if [ -z "$CTID" ]; then
    echo "📋 Finding next available container ID..."
    CTID=$(ssh root@"$PROXMOX_HOST" "pct list | tail -n +2 | awk '{print \$1}' | sort -n | tail -1")
    CTID=$((CTID + 1))
    echo "  ✅ Using container ID: $CTID"
else
    echo "  ✅ Using specified container ID: $CTID"
fi

# Check and download template if needed
echo ""
echo "📦 Checking Alpine template..."
TEMPLATE="alpine-3.22-default_20250617_amd64.tar.xz"
TEMPLATE_EXISTS=$(ssh root@"$PROXMOX_HOST" "pveam list local | grep -q '$TEMPLATE' && echo 'yes' || echo 'no'")

if [ "$TEMPLATE_EXISTS" = "no" ]; then
    echo "  📥 Downloading template (this may take a few minutes)..."
    ssh root@"$PROXMOX_HOST" "pveam download local $TEMPLATE" || {
        echo "  ❌ Failed to download template"
        exit 1
    }
    echo "  ✅ Template downloaded"
else
    echo "  ✅ Template already exists"
fi

# Create the container using pct
echo ""
echo "📦 Creating Alpine container..."
ssh root@"$PROXMOX_HOST" "pct create $CTID \\
    local:vztmpl/$TEMPLATE \\
    --hostname npmplus \\
    --memory 512 \\
    --cores 1 \\
    --rootfs local-lvm:3 \\
    --net0 name=eth0,bridge=vmbr0,ip=dhcp \\
    --unprivileged 1 \\
    --features nesting=1" || {
    echo "  ❌ Failed to create container"
    exit 1
}

echo "  ✅ Container created"

# Start container
echo ""
echo "🚀 Starting container..."
ssh root@"$PROXMOX_HOST" "pct start $CTID" || {
    echo "  ❌ Failed to start container"
    exit 1
}

# Wait for container to be ready
echo "  ⏳ Waiting for container to be ready..."
sleep 5

# Install NPMplus inside container
echo ""
echo "📦 Installing NPMplus inside container..."
ssh root@"$PROXMOX_HOST" "pct exec $CTID -- bash" << INSTALL_EOF
set -e

# Install dependencies
apk update
apk add --no-cache tzdata gawk yq docker docker-compose curl bash

# Start Docker
rc-service docker start
rc-update add docker default

# Wait for Docker
sleep 5

# Fetch NPMplus compose file
cd /opt
curl -fsSL "https://raw.githubusercontent.com/ZoeyVid/NPMplus/refs/heads/develop/compose.yaml" -o compose.yaml

# Update compose file with timezone and email
yq -i "
  .services.npmplus.environment |=
    (map(select(. != \"TZ=*\" and . != \"ACME_EMAIL=*\")) +
    [\"TZ=$TZ\", \"ACME_EMAIL=$ACME_EMAIL\"])
" compose.yaml

# Start NPMplus
echo "🚀 Starting NPMplus (this may take 1-2 minutes)..."
docker compose up -d

# Wait for NPMplus to be ready
CONTAINER_ID=""
for i in {1..60}; do
    CONTAINER_ID=\$(docker ps --filter "name=npmplus" --format "{{.ID}}")
    if [ -n "\$CONTAINER_ID" ]; then
        STATUS=\$(docker inspect --format '{{.State.Health.Status}}' "\$CONTAINER_ID" 2>/dev/null || echo "starting")
        if [ "\$STATUS" = "healthy" ]; then
            echo "✅ NPMplus is running and healthy"
            break
        fi
    fi
    sleep 2
done

# Get admin password
PASSWORD_LINE=\$(docker logs "\$CONTAINER_ID" 2>&1 | grep -i "Creating a new user" | tail -1 || echo "")
if [ -n "\$PASSWORD_LINE" ]; then
    PASSWORD=\$(echo "\$PASSWORD_LINE" | grep -oP "password: \K[^\s]+" || echo "")
    if [ -n "\$PASSWORD" ]; then
        echo "username: admin@example.org" > /opt/.npm_pwd
        echo "password: \$PASSWORD" >> /opt/.npm_pwd
        echo "✅ Admin password saved to /opt/.npm_pwd"
    fi
fi

echo "✅ NPMplus installation complete!"
INSTALL_EOF

if [ $? -eq 0 ]; then
    # Get container IP
    CONTAINER_IP=$(ssh root@"$PROXMOX_HOST" "pct exec $CTID -- hostname -I | awk '{print \$1}'")
    
    echo ""
    echo "━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━"
    echo "✅ NPMplus Installation Complete!"
    echo "━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━"
    echo ""
    echo "📋 Container Information:"
    echo "  • Container ID: $CTID"
    echo "  • Container IP: $CONTAINER_IP"
    echo "  • Access URL: https://$CONTAINER_IP:81"
    echo "  • Admin Email: admin@example.org"
    echo ""
    echo "🔑 To get admin password:"
    echo "   ssh root@$PROXMOX_HOST \"pct exec $CTID -- cat /opt/.npm_pwd\""
    echo ""
    echo "📋 Next step: Run configuration migration:"
    echo "   bash scripts/nginx-proxy-manager/migrate-configs-to-npmplus.sh $PROXMOX_HOST $CTID https://$CONTAINER_IP:81"
    echo ""
else
    echo ""
    echo "❌ Installation failed. Check the output above."
    exit 1
fi