#!/bin/bash

set -eu

echo "=> Starting Docmost setup"

# Initialize /app/data if it's empty (first run)
if [ ! -f /app/data/.initialized ]; then
    echo "=> Initializing data directory"
    mkdir -p /app/data/uploads /app/data/logs
    chown -R cloudron:cloudron /app/data
    touch /app/data/.initialized
fi

# Generate APP_SECRET if not exists
if [ ! -f /app/data/app_secret ]; then
    echo "=> Generating APP_SECRET"
    openssl rand -hex 32 > /app/data/app_secret
    chown cloudron:cloudron /app/data/app_secret
    chmod 600 /app/data/app_secret
fi

APP_SECRET=$(cat /app/data/app_secret)

# Set up environment variables
export NODE_ENV=production
export APP_URL="${CLOUDRON_APP_ORIGIN}"
export APP_SECRET="${APP_SECRET}"
export PORT=3001

# Database configuration
export DATABASE_URL="${CLOUDRON_POSTGRESQL_URL}"

# Redis configuration - parse Cloudron format to standard format
echo "=> Configuring Redis..."

# Cloudron provides Redis addon with specific environment variables
# The CLOUDRON_REDIS_URL is in format: redis://:password@host:port
# We need to ensure it's in the correct format for ioredis

# Debug: Print the original Redis URL
echo "=> Original CLOUDRON_REDIS_URL: ${CLOUDRON_REDIS_URL}"

if [ -n "${CLOUDRON_REDIS_URL}" ]; then
    # Try to use the original URL first and see if it's valid
    export REDIS_URL="${CLOUDRON_REDIS_URL}"
    
    # Also extract components for individual env vars
    REDIS_PASSWORD=$(echo "$CLOUDRON_REDIS_URL" | sed -n 's|redis://:\([^@]*\)@.*|\1|p')
    REDIS_HOST=$(echo "$CLOUDRON_REDIS_URL" | sed -n 's|redis://[^@]*@\([^:]*\):.*|\1|p')
    REDIS_PORT=$(echo "$CLOUDRON_REDIS_URL" | sed -n 's|redis://[^@]*@[^:]*:\([0-9]*\).*|\1|p')
    
    # Default port if not found
    if [ -z "$REDIS_PORT" ]; then
        REDIS_PORT="6379"
    fi
    
    # Export individual components for Docmost
    export REDIS_HOST="${REDIS_HOST}"
    export REDIS_PORT="${REDIS_PORT}"
    export REDIS_PASSWORD="${REDIS_PASSWORD}"
    export REDIS_DB="0"
    
    echo "=> Redis configured: host=${REDIS_HOST}, port=${REDIS_PORT}"
    echo "=> Using Redis URL: ${REDIS_URL}"
    
    # Try alternative formats if the original fails
    if [ -z "$REDIS_PASSWORD" ]; then
        export REDIS_URL="redis://${REDIS_HOST}:${REDIS_PORT}"
    fi
else
    echo "=> Error: Redis URL not provided by Cloudron"
    exit 1
fi

# Email configuration
export MAIL_DRIVER=smtp
export SMTP_HOST="${CLOUDRON_MAIL_SMTP_SERVER}"
export SMTP_PORT="${CLOUDRON_MAIL_SMTP_PORT}"
export SMTP_USERNAME="${CLOUDRON_MAIL_SMTP_USERNAME}"
export SMTP_PASSWORD="${CLOUDRON_MAIL_SMTP_PASSWORD}"
export MAIL_FROM_ADDRESS="${CLOUDRON_MAIL_FROM}"

# Storage configuration (using local storage)
export STORAGE_DRIVER=local
export STORAGE_LOCAL_PATH="/app/data/uploads"

# Authentication will use built-in email/password system
echo "=> Using built-in email/password authentication"

# File upload configuration
export FILE_UPLOAD_SIZE_LIMIT="50mb"

# JWT configuration
export JWT_TOKEN_EXPIRES_IN="30d"

# Wait for Redis to be available
if [ -n "${CLOUDRON_REDIS_URL}" ]; then
    echo "=> Waiting for Redis to be available..."
    for i in {1..30}; do
        if nc -z "${REDIS_HOST}" "${REDIS_PORT}" 2>/dev/null; then
            echo "=> Redis is available"
            break
        fi
        if [ $i -eq 30 ]; then
            echo "=> Warning: Redis not reachable after 30 seconds"
        fi
        sleep 1
    done
fi

echo "=> Running database migrations"
cd /app/code
chown -R cloudron:cloudron /app/data

# Find the correct prisma binary path
PRISMA_BIN=""
if [ -f "/app/code/apps/server/node_modules/.bin/prisma" ]; then
    PRISMA_BIN="/app/code/apps/server/node_modules/.bin/prisma"
elif [ -f "/app/code/node_modules/.bin/prisma" ]; then
    PRISMA_BIN="/app/code/node_modules/.bin/prisma"
elif [ -f "/app/code/node_modules/@prisma/cli/build/index.js" ]; then
    PRISMA_BIN="/usr/bin/node /app/code/node_modules/@prisma/cli/build/index.js"
fi

if [ -n "$PRISMA_BIN" ]; then
    echo "=> Found Prisma at: $PRISMA_BIN"
    cd /app/code/apps/server
    sudo -u cloudron $PRISMA_BIN migrate deploy || true
else
    echo "=> Warning: Prisma binary not found, skipping migrations"
fi

# Create nginx temp directories
mkdir -p /tmp/nginx_client_temp /tmp/nginx_proxy_temp /tmp/nginx_fastcgi_temp /tmp/nginx_uwsgi_temp /tmp/nginx_scgi_temp
chown -R cloudron:cloudron /tmp/nginx_*

echo "=> Starting services with supervisor"
exec /usr/bin/supervisord -c /etc/supervisor/conf.d/supervisord.conf