#!/bin/bash

# ========================================
# AI Recruitment Site - SAAC Deployment Script
# ========================================
# This script deploys your recruitment site to StartAnAiCompany infrastructure
# via apps.startanaicompany.com
#
# IMPORTANT: Copy this file to deploy-to-apps.sh and customize it
# DO NOT commit deploy-to-apps.sh to git (it's in .gitignore)
#
# Prerequisites:
# 1. Register for API key at: https://apps.startanaicompany.com/api/v1/register
# 2. Set SAAC_API_KEY environment variable
# 3. Set GITEA_API_TOKEN environment variable (required for setup mode)
# 4. Customize your .env file with company information
#
# Modes:
#   ./deploy-to-apps.sh           # Auto-detect (setup or update)
#   ./deploy-to-apps.sh --setup   # Force new deployment
#   ./deploy-to-apps.sh --update  # Force update existing
#   ./deploy-to-apps.sh --status  # Check deployment status

set -e  # Exit on error

# Configuration
DEPLOYMENT_UUID_FILE=".deployment-uuid"
DEPLOYMENT_INFO_FILE="deployment-info.txt"
SAAC_API="https://apps.startanaicompany.com/api/v1"
GITEA_API="https://git.startanaicompany.com/api/v1"

# Parse command line arguments
MODE="auto"
if [ "$1" == "--setup" ]; then
    MODE="setup"
elif [ "$1" == "--update" ]; then
    MODE="update"
elif [ "$1" == "--status" ]; then
    MODE="status"
elif [ -n "$1" ]; then
    echo "❌ Unknown option: $1"
    echo ""
    echo "Usage:"
    echo "  $0           # Auto-detect mode"
    echo "  $0 --setup   # Force new deployment"
    echo "  $0 --update  # Force update existing"
    echo "  $0 --status  # Check deployment status"
    exit 1
fi

# Auto-detect mode based on .deployment-uuid existence
if [ "$MODE" == "auto" ]; then
    if [ -f "$DEPLOYMENT_UUID_FILE" ]; then
        MODE="update"
    else
        MODE="setup"
    fi
fi

# Load environment variables from .env
if [ ! -f .env ]; then
    echo "❌ Error: .env file not found. Copy .env.example to .env and customize it."
    exit 1
fi

source .env

# Check required environment variables
if [ -z "$SAAC_API_KEY" ]; then
    echo "❌ Error: SAAC_API_KEY environment variable not set"
    echo ""
    echo "To get your API key:"
    echo "1. Register at: curl -X POST https://apps.startanaicompany.com/api/v1/users/register \\"
    echo "     -H 'Content-Type: application/json' \\"
    echo "     -d '{\"email\":\"your@email.com\",\"gitea_username\":\"${GITEA_USERNAME}\"}'"
    echo ""
    echo "2. Save the returned API key"
    echo "3. Export it: export SAAC_API_KEY='your_api_key_here'"
    echo ""
    exit 1
fi

# GITEA_API_TOKEN only required for setup mode (webhook creation)
if [ "$MODE" == "setup" ] && [ -z "$GITEA_API_TOKEN" ]; then
    echo "❌ Error: GITEA_API_TOKEN environment variable not set"
    echo ""
    echo "GITEA_API_TOKEN is required for setup mode to:"
    echo "  - Set up automatic deployment webhooks"
    echo ""
    echo "To get your Gitea API token:"
    echo "1. Go to https://git.startanaicompany.com"
    echo "2. Click your profile → Settings → Applications"
    echo "3. Generate New Token (grant 'repo' permissions)"
    echo "4. Export it: export GITEA_API_TOKEN='your_token_here'"
    echo ""
    exit 1
fi

# Check required .env variables
if [ -z "$COMPANY_NAME" ]; then
    echo "❌ Error: COMPANY_NAME not set in .env"
    exit 1
fi

if [ -z "$SUBDOMAIN" ]; then
    echo "❌ Error: SUBDOMAIN not set in .env"
    exit 1
fi

if [ "$MODE" == "setup" ]; then
    if [ -z "$GITEA_USERNAME" ]; then
        echo "❌ Error: GITEA_USERNAME not set in .env"
        exit 1
    fi

    if [ -z "$GITEA_REPO_NAME" ]; then
        echo "❌ Error: GITEA_REPO_NAME not set in .env"
        exit 1
    fi
fi

# Repository URL (SSH format required by Coolify for private repos)
REPO_URL="git@git.startanaicompany.com:${GITEA_USERNAME}/${GITEA_REPO_NAME}.git"

# Domain (e.g., annarecruit.startanaicompany.com or johnrecruit.startanaicompany.com)
FULL_DOMAIN="${SUBDOMAIN}recruit.startanaicompany.com"

# ========================================
# MODE: STATUS
# ========================================
if [ "$MODE" == "status" ]; then
    echo "========================================="
    echo "  Deployment Status"
    echo "========================================="
    echo ""

    # Check if deployment UUID exists
    if [ ! -f "$DEPLOYMENT_UUID_FILE" ]; then
        echo "❌ No deployment found"
        echo "   Run './deploy-to-apps.sh --setup' to create a new deployment"
        exit 1
    fi

    APP_UUID=$(cat "$DEPLOYMENT_UUID_FILE")
    echo "📦 Fetching status for application: $APP_UUID"
    echo ""

    # Get application details
    STATUS_RESPONSE=$(curl -s -X GET "${SAAC_API}/applications/${APP_UUID}" \
        -H "X-API-Key: ${SAAC_API_KEY}")

    # Check for errors
    if echo "$STATUS_RESPONSE" | grep -q "error"; then
        echo "❌ Failed to fetch status:"
        echo "$STATUS_RESPONSE" | jq '.' 2>/dev/null || echo "$STATUS_RESPONSE"
        exit 1
    fi

    # Display formatted status
    echo "Application UUID: $APP_UUID"
    echo "Name: $(echo "$STATUS_RESPONSE" | jq -r '.app_name')"
    echo "Domain: $(echo "$STATUS_RESPONSE" | jq -r '.domain')"
    echo "Status: $(echo "$STATUS_RESPONSE" | jq -r '.status')"
    echo "Repository: $(echo "$STATUS_RESPONSE" | jq -r '.git_repo')"
    echo "Branch: $(echo "$STATUS_RESPONSE" | jq -r '.git_branch')"
    echo "Created: $(echo "$STATUS_RESPONSE" | jq -r '.created_at')"
    echo ""
    echo "🔍 View logs:"
    echo "   curl -H \"X-API-Key: \$SAAC_API_KEY\" \\"
    echo "     ${SAAC_API}/applications/${APP_UUID}/logs"
    echo ""

    exit 0
fi

# ========================================
# MODE: UPDATE
# ========================================
if [ "$MODE" == "update" ]; then
    echo "========================================="
    echo "  AI Recruitment Site Deployment"
    echo "========================================="
    echo "📝 Mode: UPDATE (existing deployment)"
    echo ""

    # Check if deployment UUID exists
    if [ ! -f "$DEPLOYMENT_UUID_FILE" ]; then
        echo "❌ No deployment found (.deployment-uuid file missing)"
        echo "   Run './deploy-to-apps.sh --setup' to create a new deployment"
        exit 1
    fi

    APP_UUID=$(cat "$DEPLOYMENT_UUID_FILE")

    echo "📦 Configuration:"
    echo "  Application UUID: $APP_UUID"
    echo "  Company: $COMPANY_NAME"
    echo "  Domain: https://$FULL_DOMAIN"
    echo ""

    # Verify application still exists
    echo "🔍 Verifying application exists..."
    VERIFY_RESPONSE=$(curl -s -X GET "${SAAC_API}/applications/${APP_UUID}" \
        -H "X-API-Key: ${SAAC_API_KEY}")

    if echo "$VERIFY_RESPONSE" | grep -q "error"; then
        echo "❌ Application not found or access denied"
        echo "   The application may have been deleted or UUID is invalid"
        echo "   Run './deploy-to-apps.sh --setup' to create a new deployment"
        exit 1
    fi

    echo "✅ Application verified"
    echo ""

    # Update environment variables
    echo "🔄 Updating environment variables..."
    UPDATE_RESPONSE=$(curl -s -X PATCH "${SAAC_API}/applications/${APP_UUID}/env" \
        -H "X-API-Key: ${SAAC_API_KEY}" \
        -H "Content-Type: application/json" \
        -d "{
            \"variables\": {
                \"COMPANY_NAME\": \"${COMPANY_NAME}\",
                \"COMPANY_TAGLINE\": \"${COMPANY_TAGLINE}\",
                \"COMPANY_DESCRIPTION\": \"${COMPANY_DESCRIPTION}\",
                \"PRIMARY_COLOR\": \"${PRIMARY_COLOR}\",
                \"ACCENT_COLOR\": \"${ACCENT_COLOR}\",
                \"DARK_COLOR\": \"${DARK_COLOR}\",
                \"CONTACT_EMAIL\": \"${CONTACT_EMAIL}\",
                \"CONTACT_PHONE\": \"${CONTACT_PHONE}\",
                \"CONTACT_ADDRESS\": \"${CONTACT_ADDRESS}\"
            }
        }")

    # Check for errors
    if echo "$UPDATE_RESPONSE" | grep -q "error"; then
        echo "❌ Failed to update environment variables:"
        echo "$UPDATE_RESPONSE" | jq '.' 2>/dev/null || echo "$UPDATE_RESPONSE"
        exit 1
    fi

    echo "✅ Environment variables updated"
    echo ""

    # Trigger redeployment
    echo "🚀 Triggering redeployment..."
    DEPLOY_RESPONSE=$(curl -s -X POST "${SAAC_API}/applications/${APP_UUID}/deploy" \
        -H "X-API-Key: ${SAAC_API_KEY}")

    # Check for errors
    if echo "$DEPLOY_RESPONSE" | grep -q "error"; then
        echo "❌ Failed to trigger deployment:"
        echo "$DEPLOY_RESPONSE" | jq '.' 2>/dev/null || echo "$DEPLOY_RESPONSE"
        exit 1
    fi

    echo "✅ Deployment triggered"
    echo ""

    # Update deployment info file
    cat > "$DEPLOYMENT_INFO_FILE" <<DEPLOYMENT_INFO
Deployment Information
======================
Last Updated: $(date)
Mode: UPDATE
Company: $COMPANY_NAME
Domain: https://$FULL_DOMAIN
Application UUID: $APP_UUID
Repository: $REPO_URL

SAAC API: ${SAAC_API}
Your API Key: ${SAAC_API_KEY}

Monitor deployment:
  curl -H "X-API-Key: \$SAAC_API_KEY" ${SAAC_API}/applications/${APP_UUID}/logs

Trigger manual deployment:
  curl -X POST -H "X-API-Key: \$SAAC_API_KEY" ${SAAC_API}/applications/${APP_UUID}/deploy

Check status:
  ./deploy-to-apps.sh --status
DEPLOYMENT_INFO

    echo "========================================="
    echo "  Update Complete!"
    echo "========================================="
    echo ""
    echo "⏳ Your changes will be live in 2-3 minutes at:"
    echo "   https://$FULL_DOMAIN"
    echo ""
    echo "🔍 Monitor deployment:"
    echo "   ./deploy-to-apps.sh --status"
    echo ""

    exit 0
fi

# ========================================
# MODE: SETUP
# ========================================
echo "========================================="
echo "  AI Recruitment Site Deployment"
echo "========================================="
echo "📝 Mode: SETUP (new deployment)"
echo ""
echo "📦 Configuration:"
echo "  Company: $COMPANY_NAME"
echo "  Repository: $REPO_URL"
echo "  Domain: https://$FULL_DOMAIN"
echo ""

# Warn if .deployment-uuid already exists
if [ -f "$DEPLOYMENT_UUID_FILE" ]; then
    echo "⚠️  Warning: Existing deployment found (.deployment-uuid exists)"
    echo "   This will create a NEW deployment and overwrite the UUID file."
    echo ""
    read -p "Continue? (y/N): " -n 1 -r
    echo
    if [[ ! $REPLY =~ ^[Yy]$ ]]; then
        echo "Cancelled."
        exit 0
    fi
    echo ""
fi

# Create application via SAAC API
echo "📝 Creating application on StartAnAiCompany server..."
APP_RESPONSE=$(curl -s -X POST "${SAAC_API}/applications" \
  -H "X-API-Key: ${SAAC_API_KEY}" \
  -H "Content-Type: application/json" \
  -d "{
    \"name\": \"${SUBDOMAIN}-recruit\",
    \"subdomain\": \"${SUBDOMAIN}\",
    \"domain_suffix\": \"recruit.startanaicompany.com\",
    \"git_repository\": \"${REPO_URL}\",
    \"git_branch\": \"master\",
    \"gitea_api_token\": \"${GITEA_API_TOKEN}\",
    \"template_type\": \"recruitment\",
    \"environment_variables\": {
      \"COMPANY_NAME\": \"${COMPANY_NAME}\",
      \"COMPANY_TAGLINE\": \"${COMPANY_TAGLINE}\",
      \"COMPANY_DESCRIPTION\": \"${COMPANY_DESCRIPTION}\",
      \"PRIMARY_COLOR\": \"${PRIMARY_COLOR}\",
      \"ACCENT_COLOR\": \"${ACCENT_COLOR}\",
      \"DARK_COLOR\": \"${DARK_COLOR}\",
      \"CONTACT_EMAIL\": \"${CONTACT_EMAIL}\",
      \"CONTACT_PHONE\": \"${CONTACT_PHONE}\",
      \"CONTACT_ADDRESS\": \"${CONTACT_ADDRESS}\"
    }
  }")

# Check for errors
if echo "$APP_RESPONSE" | grep -q "error"; then
    echo "❌ Deployment failed:"
    echo "$APP_RESPONSE" | jq '.' 2>/dev/null || echo "$APP_RESPONSE"
    exit 1
fi

# Extract application details
APP_UUID=$(echo "$APP_RESPONSE" | jq -r '.application_uuid' 2>/dev/null)
DOMAIN=$(echo "$APP_RESPONSE" | jq -r '.domain' 2>/dev/null)
WEBHOOK_URL=$(echo "$APP_RESPONSE" | jq -r '.webhook_url' 2>/dev/null)

if [ "$APP_UUID" == "null" ] || [ -z "$APP_UUID" ]; then
    echo "❌ Failed to create application"
    echo "Response: $APP_RESPONSE"
    exit 1
fi

echo "✅ Application created!"
echo "   Application UUID: $APP_UUID"
echo "   Domain: $DOMAIN"
echo ""

# Save UUID to file
echo "$APP_UUID" > "$DEPLOYMENT_UUID_FILE"
echo "💾 UUID saved to $DEPLOYMENT_UUID_FILE"
echo ""

# Configure webhook for automatic deployments
echo "🪝 Setting up deployment webhook..."

WEBHOOK_RESPONSE=$(curl -s -X POST "${GITEA_API}/repos/${GITEA_USERNAME}/${GITEA_REPO_NAME}/hooks" \
  -H "Authorization: token ${GITEA_API_TOKEN}" \
  -H "Content-Type: application/json" \
  -d "{
    \"type\": \"gitea\",
    \"config\": {
      \"url\": \"${WEBHOOK_URL}\",
      \"content_type\": \"json\",
      \"http_method\": \"GET\"
    },
    \"events\": [\"push\"],
    \"authorization_header\": \"Bearer ${SAAC_API_KEY}\",
    \"active\": true
  }")

WEBHOOK_ID=$(echo "$WEBHOOK_RESPONSE" | jq -r '.id' 2>/dev/null)

if [ "$WEBHOOK_ID" == "null" ] || [ -z "$WEBHOOK_ID" ]; then
    echo "⚠️  Warning: Failed to create Gitea webhook (may already exist)"
else
    echo "✅ Webhook configured for automatic deployments"
fi

echo ""

# Save deployment info
cat > "$DEPLOYMENT_INFO_FILE" <<DEPLOYMENT_INFO
Deployment Information
======================
Date: $(date)
Mode: SETUP (initial deployment)
Company: $COMPANY_NAME
Domain: $DOMAIN
Application UUID: $APP_UUID
Repository: $REPO_URL

SAAC API: ${SAAC_API}
Your API Key: ${SAAC_API_KEY}

Monitor deployment:
  curl -H "X-API-Key: \$SAAC_API_KEY" ${SAAC_API}/applications/${APP_UUID}/logs

Trigger manual deployment:
  curl -X POST -H "X-API-Key: \$SAAC_API_KEY" ${SAAC_API}/applications/${APP_UUID}/deploy

Update deployment:
  ./deploy-to-apps.sh --update

Check status:
  ./deploy-to-apps.sh --status
DEPLOYMENT_INFO

echo "========================================="
echo "  Deployment Complete!"
echo "========================================="
echo ""
echo "📋 Deployment Details:"
echo "  Application UUID: $APP_UUID"
echo "  Domain: $DOMAIN"
echo ""
echo "⏳ Your site will be available in 2-3 minutes at:"
echo "   $DOMAIN"
echo ""
echo "📝 Next Steps:"
echo "  1. Configure DNS (if not already done):"
echo "     - For Cloudflare: Add CNAME record"
echo "     - Name: ${SUBDOMAIN}recruit"
echo "     - Target: apps.startanaicompany.com"
echo "     - Proxy: Enabled"
echo ""
echo "  2. Wait 2-3 minutes for deployment to complete"
echo ""
echo "  3. Visit your site:"
echo "     $DOMAIN"
echo ""
echo "🔄 To update your deployment:"
echo "   1. Edit .env file with new values"
echo "   2. Run: ./deploy-to-apps.sh"
echo "   (Auto-detects update mode since UUID file exists)"
echo ""
echo "🔍 Monitor deployment:"
echo "   ./deploy-to-apps.sh --status"
echo ""
echo "💾 Files created:"
echo "   - $DEPLOYMENT_UUID_FILE (contains application UUID)"
echo "   - $DEPLOYMENT_INFO_FILE (deployment details)"
echo "   ⚠️  Keep these files secure!"
echo ""