#!/bin/bash

# Configuration
SCRIPT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
REPO_ROOT="$(cd "$SCRIPT_DIR/.." && pwd)"
EXTENSIONS_ROOT="$REPO_ROOT/packages"

# Strict local targets for bombproof isolation
TARGET_DIRS=(
  "$REPO_ROOT/packages/cms-infra/extensions"
  "$REPO_ROOT/directus/extensions"
)

# List of extension packages to sync
EXTENSION_PACKAGES=(
  "acquisition"
  "acquisition-manager"
  "company-manager"
  "customer-manager"
  "feedback-commander"
  "people-manager"
  "unified-dashboard"
)

echo "🚀 Starting isolated extension sync..."

# Ensure target directories exist
for TARGET in "${TARGET_DIRS[@]}"; do
  mkdir -p "$TARGET"
done

# Build the acquisition library if it exists
if [ -d "$REPO_ROOT/packages/acquisition" ]; then
    echo "📦 Building acquisition..."
    (cd "$REPO_ROOT/packages/acquisition" && pnpm build)
fi

for PKG in "${EXTENSION_PACKAGES[@]}"; do
  PKG_PATH="$EXTENSIONS_ROOT/$PKG"
  
  if [ -d "$PKG_PATH" ]; then
    echo "📦 Processing $PKG..."
    
    # 1. Build the extension
    (cd "$PKG_PATH" && pnpm build)
    
    EXT_NAME="$PKG"
    echo "🚚 Syncing $EXT_NAME..."

    # 3. Sync to each target directory
    for TARGET_BASE in "${TARGET_DIRS[@]}"; do
      # FLAT STRUCTURE: Directus 11.15.x local scanner is FLAT.
      FINAL_TARGET="$TARGET_BASE/$EXT_NAME"
      
      echo "🚚 Syncing $EXT_NAME to $FINAL_TARGET..."
      
      # Clean target first to avoid ghost files
      mkdir -p "$FINAL_TARGET"
      rm -rf "${FINAL_TARGET:?}"/*
      
      # Copy build artifacts
      if [ -f "$PKG_PATH/dist/index.js" ]; then
          cp "$PKG_PATH/dist/index.js" "$FINAL_TARGET/index.js"
      elif [ -f "$PKG_PATH/index.js" ]; then
          cp "$PKG_PATH/index.js" "$FINAL_TARGET/index.js"
      fi
      
      if [ -f "$PKG_PATH/package.json" ]; then
          cp "$PKG_PATH/package.json" "$FINAL_TARGET/"
          # We force the registration path to index.js and ensure host/source are set
          node -e "
            const fs = require('fs');
            const pkgPath = '$FINAL_TARGET/package.json';
            const pkg = JSON.parse(fs.readFileSync(pkgPath, 'utf8'));
            if (!pkg['directus:extension']) pkg['directus:extension'] = {};
            
            // Standard metadata for Directus 11.15.x (with core patch applied)
            pkg['directus:extension'].path = 'index.js';
            if (!pkg['directus:extension'].host) {
                pkg['directus:extension'].host = pkg['directus:extension'].type === 'endpoint' ? 'api' : 'app';
            }
            if (!pkg['directus:extension'].source) {
                pkg['directus:extension'].source = 'src/index.ts';
            }
            
            fs.writeFileSync(pkgPath, JSON.stringify(pkg, null, 2));
          "
      fi

      if [ -d "$PKG_PATH/dist" ]; then
          cp -r "$PKG_PATH/dist" "$FINAL_TARGET/"
      fi
    done
    
    echo "✅ $PKG synced."
  else
    echo "❌ Extension source not found: $PKG_PATH"
  fi
done

# Cleanup: remove anything from extensions root that isn't in our whitelist
WHITELIST=("${EXTENSION_PACKAGES[@]}" "endpoints" "hooks" "layouts" "modules" "operations" "panels" "displays" "interfaces")

for TARGET_BASE in "${TARGET_DIRS[@]}"; do
  echo "🧹 Cleaning up $TARGET_BASE..."
  for ITEM in "$TARGET_BASE"/*; do
    [ -e "$ITEM" ] || continue
    BN=$(basename "$ITEM")
    IS_ALLOWED=false
    for W in "${WHITELIST[@]}"; do
      if [[ "$BN" == "$W" ]]; then IS_ALLOWED=true; break; fi
    done
    
    if [ "$IS_ALLOWED" = false ]; then
      echo "  🗑️ Removing extra/legacy item: $BN"
      rm -rf "$ITEM"
    fi
  done
done

echo "🔧 Applying core patch to Directus 11.15.2 bundler..."
docker exec cms-infra-infra-cms-1 node -e '
const fs = require("node:fs");
const path = "/directus/node_modules/.pnpm/@directus+extensions@file+packages+extensions_deep-diff@1.0.2_express@4.21.2_graphql@16_244b87fbecd929c2d2240e7b3abc1fe4/node_modules/@directus/extensions/dist/node.js";
if (fs.existsSync(path)) {
  let content = fs.readFileSync(path, "utf8");
  
  // Patch the filter: allow string entrypoints for modules
  const filterPatch = "extension.host === \"app\" && (extension.entrypoint.app || extension.entrypoint)";
  if (!content.includes(filterPatch)) {
    content = content.replace(
      /extension\.host === \"app\" && !!extension\.entrypoint\.app/g,
      filterPatch
    );
  }

  // Patch all imports: handle string entrypoints (replace all occurrences of .app where it might fail)
  if (!content.includes("(extension.entrypoint.app || extension.entrypoint)")) {
    content = content.replace(
      /extension\.entrypoint\.app/g,
      "(extension.entrypoint.app || extension.entrypoint)"
    );
  }

  fs.writeFileSync(path, content);
  console.log("✅ Core patched successfully.");
} else {
  console.error("⚠️  Could not find node.js to patch!");
}
'

echo "🔄 Restarting Directus container..."
docker restart cms-infra-infra-cms-1 2>/dev/null || true

echo "✨ Sync complete! Extensions are in packages/cms-infra/extensions and core is patched."