name: Deploy Dev

on:
    push:
        branches: [dev]
    workflow_dispatch:

jobs:
    build-and-deploy:
        name: Deploy to Cloudflare (Dev)
        runs-on: ubuntu-latest
        env:
            # Pin tool versions to avoid upstream updates breaking CI
            WORKER_BUILD_VERSION: "0.7.1"
            WRANGLER_VERSION: "4.54.0"

            # Required for wrangler
            CLOUDFLARE_API_TOKEN: ${{ secrets.CLOUDFLARE_API_TOKEN }}
            CLOUDFLARE_ACCOUNT_ID: ${{ secrets.CLOUDFLARE_ACCOUNT_ID }}

        steps:
            - uses: actions/checkout@v4

            - name: Set up Node.js (for npx wrangler)
              uses: actions/setup-node@v4
              with:
                  node-version: "20"

            - name: Install Rust toolchain (from rust-toolchain.toml)
              run: |
                  set -euo pipefail
                  TOOLCHAIN="$(sed -n 's/^channel[[:space:]]*=[[:space:]]*"\([^"]*\)".*$/\1/p' rust-toolchain.toml | head -n 1)"
                  if [ -z "$TOOLCHAIN" ]; then
                    echo "❌ Failed to read toolchain channel from rust-toolchain.toml" >&2
                    exit 1
                  fi
                  echo "Using Rust toolchain: $TOOLCHAIN"
                  echo "RUSTUP_TOOLCHAIN=$TOOLCHAIN" >> "$GITHUB_ENV"
                  rustup toolchain install "$TOOLCHAIN" --profile minimal --component rustfmt --component clippy --target wasm32-unknown-unknown
            
            - name: Install lld
              run: sudo apt install -y lld clang gcc llvm

            - name: Install worker-build
              run: |
                  set -euo pipefail
                  if command -v worker-build &> /dev/null; then
                    echo "worker-build already installed: $(worker-build --version || true)"
                  fi
                  cargo install --locked -q worker-build --version "${WORKER_BUILD_VERSION}"

            - name: Download and extract frontend (bw_web_builds)
              run: |
                  # Get latest version tag from bw_web_builds
                  LATEST_TAG=$(curl -s https://api.github.com/repos/dani-garcia/bw_web_builds/releases/latest | jq -r .tag_name)
                  echo "📦 Downloading frontend version: $LATEST_TAG"
                  
                  # Download the web vault release
                  wget -q "https://github.com/dani-garcia/bw_web_builds/releases/download/$LATEST_TAG/bw_web_${LATEST_TAG}.tar.gz"
                  
                  # Create public directory and extract
                  mkdir -p public
                  tar -xzf bw_web_${LATEST_TAG}.tar.gz -C public/
                  
                  # bw_web_builds extracts with a web-vault folder, move contents out
                  if [ -d "public/web-vault" ]; then
                    shopt -s dotglob
                    mv public/web-vault/* public/
                    shopt -u dotglob
                    rmdir public/web-vault
                  fi
                  
                  # Cleanup
                  rm -f bw_web_${LATEST_TAG}.tar.gz
                  
                  echo "✅ Frontend files extracted to ./public"
                  ls -la public/ | head -20

            - name: Replace D1_DATABASE_ID_DEV in wrangler.toml
              run: sed -i "s/\${D1_DATABASE_ID_DEV}/${{ secrets.D1_DATABASE_ID_DEV }}/g" wrangler.toml

            - name: Enable R2 binding when R2_NAME_DEV is provided
              env:
                  R2_NAME_DEV: ${{ secrets.R2_NAME_DEV }}
              run: |
                  if [ -n "$R2_NAME_DEV" ]; then
                    echo "🔧 Enabling dev R2 bucket binding"
                    {
                      echo ''
                      echo '[[env.dev.r2_buckets]]'
                      echo 'binding = "ATTACHMENTS_BUCKET"'
                      echo "bucket_name = \"${R2_NAME_DEV}\""
                    } >> wrangler.toml
                  else
                    echo "⏭️ R2_NAME_DEV not set, skipping R2 binding"
                  fi

            - name: Apply D1 database migrations (dev)
              run: |
                  set -euo pipefail  # Ensure pipe returns first non-zero exit code
                  WRANGLER="npx --yes wrangler@${WRANGLER_VERSION}"
                  
                  # Apply migrations with retry loop to handle legacy ensure_schema columns
                  MAX_RETRIES=10
                  RETRY_COUNT=0
                  
                  while [ $RETRY_COUNT -lt $MAX_RETRIES ]; do
                    echo "🔄 Attempting to apply migrations (attempt $((RETRY_COUNT + 1))/$MAX_RETRIES)..."
                    
                    if $WRANGLER d1 migrations apply vault1 --env dev --remote 2>&1 | tee migration_output.txt; then
                      echo "✅ All migrations applied successfully"
                      exit 0
                    fi
                    
                    # Check if failure is due to duplicate column (from legacy ensure_schema)
                    if grep -q "duplicate column name" migration_output.txt; then
                      # Extract the migration name that failed
                      # Format: "Migration 0001_add_password_salt.sql failed with the following errors:"
                      FAILED_MIGRATION=$(grep -oP "Migration \K[0-9]+_[a-zA-Z0-9_]+\.sql(?= failed)" migration_output.txt)
                      if [ -z "$FAILED_MIGRATION" ]; then
                        echo "❌ Detected duplicate column error, but could not identify the migration filename from output."
                        cat migration_output.txt
                        exit 1
                      fi
                      
                      echo "⚠️ Migration '$FAILED_MIGRATION' failed: column already exists"
                      echo "📝 Marking migration as applied..."
                      
                      # Initialize d1_migrations table and mark this migration as applied
                      $WRANGLER d1 execute vault1 --env dev --remote --command "
                        CREATE TABLE IF NOT EXISTS d1_migrations (
                          id INTEGER PRIMARY KEY AUTOINCREMENT,
                          name TEXT UNIQUE NOT NULL,
                          applied_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP NOT NULL
                        );
                        INSERT OR IGNORE INTO d1_migrations (name) VALUES ('$FAILED_MIGRATION');
                      "
                      
                      RETRY_COUNT=$((RETRY_COUNT + 1))
                      echo "🔁 Retrying remaining migrations..."
                    else
                      echo "❌ Migration failed with unexpected error:"
                      cat migration_output.txt
                      exit 1
                    fi
                  done
                  
                  echo "❌ Max retries ($MAX_RETRIES) exceeded"
                  exit 1

            - uses: cloudflare/wrangler-action@v3
              id: cf
              with:
                  apiToken: ${{ secrets.CLOUDFLARE_API_TOKEN }}
                  accountId: ${{ secrets.CLOUDFLARE_ACCOUNT_ID }}
                  wranglerVersion: ${{ env.WRANGLER_VERSION }}
                  packageManager: npm

                  command: deploy --env dev