#!/bin/bash

# Tractatus Governance Files Deployment Script
# Syncs .claude/ directory files to production

set -e

# Colors for output
RED='\033[0;31m'
GREEN='\033[0;32m'
YELLOW='\033[1;33m'
NC='\033[0m' # No Color

# Configuration
SSH_KEY="$HOME/.ssh/tractatus_deploy"
REMOTE_USER="ubuntu"
REMOTE_HOST="vps-93a693da.vps.ovh.net"
REMOTE_PATH="/var/www/tractatus"
LOCAL_CLAUDE_DIR=".claude"

echo -e "${YELLOW}━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━${NC}"
echo -e "${YELLOW}   TRACTATUS GOVERNANCE FILES DEPLOYMENT${NC}"
echo -e "${YELLOW}━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━${NC}"
echo ""

# Check if .claude directory exists
if [ ! -d "$LOCAL_CLAUDE_DIR" ]; then
  echo -e "${RED}✗ Error: .claude directory not found${NC}"
  exit 1
fi

echo -e "${GREEN}[1/4] PRE-DEPLOYMENT CHECKS${NC}"
echo ""

# Check for instruction-history.json
if [ ! -f "$LOCAL_CLAUDE_DIR/instruction-history.json" ]; then
  echo -e "${RED}✗ Error: instruction-history.json not found${NC}"
  exit 1
fi

echo -e "${GREEN}✓ instruction-history.json found${NC}"

# Get file info
FILE_SIZE=$(du -h "$LOCAL_CLAUDE_DIR/instruction-history.json" | cut -f1)
INSTRUCTION_COUNT=$(node -e "
const fs = require('fs');
const data = JSON.parse(fs.readFileSync('$LOCAL_CLAUDE_DIR/instruction-history.json', 'utf8'));
const active = data.instructions.filter(i => i.active !== false).length;
console.log(active);
")

echo -e "${GREEN}✓ File size: $FILE_SIZE${NC}"
echo -e "${GREEN}✓ Active instructions: $INSTRUCTION_COUNT${NC}"
echo ""

# Check SSH connection
echo -e "${GREEN}[2/4] CHECKING CONNECTION${NC}"
echo ""

if ! ssh -i "$SSH_KEY" -o ConnectTimeout=5 "${REMOTE_USER}@${REMOTE_HOST}" "echo 'Connection OK'" 2>/dev/null; then
  echo -e "${RED}✗ Error: Cannot connect to production server${NC}"
  exit 1
fi

echo -e "${GREEN}✓ SSH connection successful${NC}"
echo ""

# Show what will be deployed
echo -e "${GREEN}[3/4] FILES TO DEPLOY${NC}"
echo ""
echo "  Source: $LOCAL_CLAUDE_DIR/"
echo "  Destination: ${REMOTE_USER}@${REMOTE_HOST}:${REMOTE_PATH}/.claude/"
echo ""
echo "  Files:"
echo "    - instruction-history.json ($FILE_SIZE, $INSTRUCTION_COUNT rules)"
echo "    - session-state.json (if exists)"
echo "    - token-checkpoints.json (if exists)"
echo "    - metrics/ (if exists)"
echo "    - backups/ (if exists)"
echo ""

# Confirmation
read -p "Continue with deployment? (yes/NO): " confirm
if [ "$confirm" != "yes" ]; then
  echo -e "${YELLOW}Deployment cancelled${NC}"
  exit 0
fi

echo ""
echo -e "${GREEN}[4/4] DEPLOYING${NC}"
echo ""

# Create backup on production first
echo "Creating backup on production..."
ssh -i "$SSH_KEY" "${REMOTE_USER}@${REMOTE_HOST}" "
  cd $REMOTE_PATH/.claude
  if [ -f instruction-history.json ]; then
    cp instruction-history.json instruction-history.json.backup-\$(date +%Y%m%d-%H%M%S)
    echo '✓ Backup created'
  fi
"

# Deploy files
echo "Deploying governance files..."
rsync -avz --progress \
  -e "ssh -i $SSH_KEY" \
  --exclude='*.log' \
  --exclude='temp/' \
  "$LOCAL_CLAUDE_DIR/" \
  "${REMOTE_USER}@${REMOTE_HOST}:${REMOTE_PATH}/.claude/"

echo ""

# Verify deployment
echo "Verifying deployment..."
REMOTE_COUNT=$(ssh -i "$SSH_KEY" "${REMOTE_USER}@${REMOTE_HOST}" "
  cd $REMOTE_PATH
  node -e \"
    const fs = require('fs');
    const data = JSON.parse(fs.readFileSync('.claude/instruction-history.json', 'utf8'));
    const active = data.instructions.filter(i => i.active !== false).length;
    console.log(active);
  \"
")

if [ "$REMOTE_COUNT" = "$INSTRUCTION_COUNT" ]; then
  echo -e "${GREEN}✓ Verification successful${NC}"
  echo -e "${GREEN}  Local: $INSTRUCTION_COUNT active rules${NC}"
  echo -e "${GREEN}  Remote: $REMOTE_COUNT active rules${NC}"
else
  echo -e "${YELLOW}⚠ Warning: Count mismatch${NC}"
  echo -e "${YELLOW}  Local: $INSTRUCTION_COUNT active rules${NC}"
  echo -e "${YELLOW}  Remote: $REMOTE_COUNT active rules${NC}"
fi

echo ""
echo -e "${GREEN}━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━${NC}"
echo -e "${GREEN}   DEPLOYMENT COMPLETE${NC}"
echo -e "${GREEN}━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━${NC}"
echo ""
echo "Next steps:"
echo "1. Run sync on production:"
echo "   ssh -i $SSH_KEY ${REMOTE_USER}@${REMOTE_HOST} 'cd $REMOTE_PATH && node scripts/sync-instructions-to-db.js --force'"
echo ""
echo "2. Verify sync health:"
echo "   curl -s https://agenticgovernance.digital/health"
echo ""