name: Quality Gate & Deploy

on:
  push:
    branches: [ main, develop ]
  pull_request:
    branches: [ main, develop ]
  workflow_dispatch:
    inputs:
      rollback_to:
        description: 'Rollback to git SHA (skips build, redeploys old image). Empty = normal deploy.'
        required: false
        default: ''

concurrency:
  group: ${{ github.workflow }}-${{ github.ref }}
  cancel-in-progress: true

permissions:
  contents: write    # version bump commit
  packages: write    # GHCR push

env:
  VITE_SUPABASE_URL: ${{ secrets.VITE_SUPABASE_URL }}
  VITE_SUPABASE_ANON_KEY: ${{ secrets.VITE_SUPABASE_ANON_KEY }}
  REGISTRY: ghcr.io
  IMAGE_NAME: pezkuwichain/pwap-web

jobs:
  # ========================================
  # WEB APP - LINT, TEST & BUILD
  # ========================================
  web:
    name: Web App
    runs-on: ubuntu-latest

    steps:
      - name: Checkout code
        uses: actions/checkout@v4

      - name: Checkout Pezkuwi-SDK (for docs generation)
        run: |
          git clone https://git.pezkuwichain.io/pezkuwichain/pezkuwi-sdk.git Pezkuwi-SDK || \
          git clone https://github.com/pezkuwichain/pezkuwi-sdk.git Pezkuwi-SDK

      - name: Setup Node.js
        uses: actions/setup-node@v4
        with:
          node-version: '20'

      - name: Cache npm dependencies
        uses: actions/cache@v4
        with:
          path: web/node_modules
          key: ${{ runner.os }}-web-${{ hashFiles('web/package-lock.json') }}
          restore-keys: |
            ${{ runner.os }}-web-

      - name: Install dependencies
        working-directory: ./web
        run: npm install

      - name: Run Linter
        working-directory: ./web
        run: npm run lint

      - name: Run Tests
        working-directory: ./web
        run: npm run test

      - name: Build Project
        working-directory: ./web
        run: npm run build
        env:
          VITE_NETWORK: MAINNET
          VITE_WS_ENDPOINT: wss://rpc.pezkuwichain.io
          VITE_WS_ENDPOINT_FALLBACK_1: wss://mainnet.pezkuwichain.io
          VITE_ASSET_HUB_ENDPOINT: wss://asset-hub-rpc.pezkuwichain.io
          VITE_PEOPLE_CHAIN_ENDPOINT: wss://people-rpc.pezkuwichain.io
          VITE_WALLETCONNECT_PROJECT_ID: 8292a793b7640e8364c378e331e76d04

      - name: Upload build artifact
        uses: actions/upload-artifact@v4
        with:
          name: web-dist
          path: web/dist/

  # ========================================
  # BUILD & PUSH DOCKER IMAGE TO GHCR
  # Immutable artifact for audit + rollback (vs ephemeral GHA artifact).
  # Tagged with git SHA so any commit can be redeployed by SHA.
  # ========================================
  build-image:
    name: Build & Push Image
    runs-on: ubuntu-latest
    needs: [web, telegram-gate]
    if: |
      github.ref == 'refs/heads/main' &&
      (github.event_name == 'push' ||
       (github.event_name == 'workflow_dispatch' && github.event.inputs.rollback_to == ''))
    permissions:
      contents: read
      packages: write
    outputs:
      image_sha: ${{ steps.meta.outputs.image_sha }}

    steps:
      - uses: actions/checkout@v4

      - uses: docker/setup-buildx-action@v3

      - name: Log in to GHCR
        uses: docker/login-action@v3
        with:
          registry: ${{ env.REGISTRY }}
          username: ${{ github.actor }}
          password: ${{ secrets.GITHUB_TOKEN }}

      - name: Extract image metadata
        id: meta
        run: |
          SHORT_SHA="${GITHUB_SHA:0:7}"
          echo "short_sha=$SHORT_SHA" >> $GITHUB_OUTPUT
          echo "image_sha=$SHORT_SHA" >> $GITHUB_OUTPUT
          echo "image=${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}" >> $GITHUB_OUTPUT

      - name: Build and push
        uses: docker/build-push-action@v6
        with:
          context: ./
          file: ./web/Dockerfile
          push: true
          tags: |
            ${{ steps.meta.outputs.image }}:${{ steps.meta.outputs.short_sha }}
            ${{ steps.meta.outputs.image }}:latest
          build-args: |
            VITE_NETWORK=MAINNET
            VITE_WS_ENDPOINT=wss://rpc.pezkuwichain.io
            VITE_WS_ENDPOINT_FALLBACK_1=wss://mainnet.pezkuwichain.io
            VITE_ASSET_HUB_ENDPOINT=wss://asset-hub-rpc.pezkuwichain.io
            VITE_PEOPLE_CHAIN_ENDPOINT=wss://people-rpc.pezkuwichain.io
            VITE_WALLETCONNECT_PROJECT_ID=8292a793b7640e8364c378e331e76d04
            VITE_SUPABASE_URL=${{ secrets.VITE_SUPABASE_URL }}
            VITE_SUPABASE_ANON_KEY=${{ secrets.VITE_SUPABASE_ANON_KEY }}
          cache-from: type=registry,ref=${{ steps.meta.outputs.image }}:cache
          cache-to:   type=registry,ref=${{ steps.meta.outputs.image }}:cache,mode=max
          provenance: false

  # ========================================
  # TELEGRAM CEO APPROVAL GATE
  # Runs on self-hosted pwap-runner (DEV VPS) where pexsec-bot.service
  # writes the gate file to /tmp/pexsec-gates/<sha> when CEO clicks
  # Approve/Cancel in Telegram. 30-minute timeout = deploy cancelled.
  # ========================================
  telegram-gate:
    name: Telegram deploy approval
    runs-on: pwap-runner
    needs: [web, security-audit]
    if: github.ref == 'refs/heads/main' && (github.event_name == 'push' || github.event_name == 'workflow_dispatch')

    steps:
      - name: Send approval request and wait
        env:
          BOT_TOKEN: ${{ secrets.PEXSEC_BOT_TOKEN }}
          CEO_CHAT_ID: ${{ secrets.TELEGRAM_CEO_CHAT_ID }}
          SHA: ${{ github.sha }}
          ACTOR: ${{ github.actor }}
          MESSAGE: ${{ github.event.head_commit.message }}
        run: |
          SHORT="${SHA:0:7}"
          GATE_DIR="/tmp/pexsec-gates"
          mkdir -p "$GATE_DIR" 2>/dev/null || true
          rm -f "$GATE_DIR/$SHORT" 2>/dev/null || true

          # Strip Markdown special chars to prevent Telegram parse errors
          SAFE_MSG=$(echo "${MESSAGE}" | head -1 | tr -d '_*`[]()#|{}!' | cut -c1-120)

          curl -s -X POST "https://api.telegram.org/bot${BOT_TOKEN}/sendMessage" \
            -H "Content-Type: application/json" \
            -d "{
              \"chat_id\": \"${CEO_CHAT_ID}\",
              \"parse_mode\": \"Markdown\",
              \"text\": \"🚀 *pwap/web Deploy Approval*\\n\\n\`${SHORT}\` — ${ACTOR}\\n\\n_${SAFE_MSG}_\\n\\nTargets: app.pezkuwichain.io + pex.mom\",
              \"reply_markup\": {
                \"inline_keyboard\": [[
                  {\"text\": \"✅ Approve\", \"callback_data\": \"deploy_approve:${SHORT}\"},
                  {\"text\": \"❌ Cancel\", \"callback_data\": \"deploy_cancel:${SHORT}\"}
                ]]
              }
            }"

          echo "Waiting for Telegram approval (max 30 min)..."
          TIMEOUT=1800
          ELAPSED=0
          while [ $ELAPSED -lt $TIMEOUT ]; do
            if [ -f "$GATE_DIR/$SHORT" ]; then
              DECISION=$(cat "$GATE_DIR/$SHORT")
              rm -f "$GATE_DIR/$SHORT" 2>/dev/null || true
              if [ "$DECISION" = "approved" ]; then
                echo "Deploy approved."
                exit 0
              else
                echo "Deploy cancelled."
                exit 1
              fi
            fi
            sleep 10
            ELAPSED=$((ELAPSED + 10))
          done
          echo "No approval received within 30 minutes — deploy cancelled."
          exit 1

  # ========================================
  # VERSION BUMP (RUNS BEFORE BOTH DEPLOYS)
  # ========================================
  bump-version:
    name: Bump Version
    runs-on: ubuntu-latest
    needs: [web, security-audit, telegram-gate, build-image]
    # Skip on rollback (workflow_dispatch with rollback_to set)
    if: |
      github.ref == 'refs/heads/main' &&
      (github.event_name == 'push' ||
       (github.event_name == 'workflow_dispatch' && github.event.inputs.rollback_to == ''))
    outputs:
      new_version: ${{ steps.bump.outputs.version }}

    steps:
      - name: Checkout code
        uses: actions/checkout@v4
        with:
          fetch-depth: 0
          token: ${{ secrets.GITHUB_TOKEN }}

      - name: Setup Node.js
        uses: actions/setup-node@v4
        with:
          node-version: '20'

      - name: Configure Git
        run: |
          git config user.name "github-actions[bot]"
          git config user.email "github-actions[bot]@users.noreply.github.com"

      - name: Bump version
        id: bump
        working-directory: ./web
        run: |
          npm version patch --no-git-tag-version
          VERSION=$(node -p "require('./package.json').version")
          echo "version=$VERSION" >> $GITHUB_OUTPUT
          cd ..
          git add web/package.json
          git commit -m "chore(web): bump version to $VERSION [skip ci]" || echo "No version change"
          git push || echo "Nothing to push"

  # ========================================
  # DEPLOY TO app.pezkuwichain.io (DEV VPS)
  # Pulls SHA-tagged image from GHCR, extracts /dist, scp to VPS.
  # Health check + auto-rollback to .deploy-tag-prev on failure.
  # ========================================
  deploy-app:
    name: Deploy app.pezkuwichain.io
    runs-on: ubuntu-latest
    needs: [telegram-gate, bump-version, build-image]
    if: |
      always() &&
      needs.telegram-gate.result == 'success' &&
      ((github.event_name == 'push' && needs.build-image.result == 'success' && needs.bump-version.result == 'success') ||
       (github.event_name == 'workflow_dispatch' && github.event.inputs.rollback_to != ''))
    permissions:
      contents: read
      packages: read
    env:
      DOMAIN: app.pezkuwichain.io
      TARGET_PATH: /var/www/subdomains/app

    steps:
      - name: Determine image SHA
        id: sha
        run: |
          if [ -n "${{ github.event.inputs.rollback_to }}" ]; then
            echo "sha=${{ github.event.inputs.rollback_to }}" >> $GITHUB_OUTPUT
            echo "Rolling back to: ${{ github.event.inputs.rollback_to }}"
          else
            echo "sha=${{ needs.build-image.outputs.image_sha }}" >> $GITHUB_OUTPUT
          fi

      - name: Log in to GHCR
        uses: docker/login-action@v3
        with:
          registry: ${{ env.REGISTRY }}
          username: ${{ github.actor }}
          password: ${{ secrets.GITHUB_TOKEN }}

      - name: Extract /dist from image
        run: |
          IMAGE="${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}:${{ steps.sha.outputs.sha }}"
          docker pull "$IMAGE"
          CID=$(docker create "$IMAGE")
          mkdir -p dist
          docker cp "$CID:/dist/." dist/
          docker rm "$CID" >/dev/null
          echo "Extracted dist/ contents:"
          ls -la dist/ | head -10

      - name: Deploy to DEV VPS
        uses: appleboy/scp-action@v1.0.0
        with:
          host: ${{ secrets.VPS_HOST }}
          username: ${{ secrets.VPS_USER }}
          key: ${{ secrets.VPS_SSH_KEY }}
          port: ${{ secrets.VPS_SSH_PORT || 2222 }}
          source: 'dist/*'
          target: '/var/www/subdomains/app'
          strip_components: 1

      - name: Health check (60s window)
        id: healthcheck
        run: |
          for i in 1 2 3 4 5 6; do
            if curl -sf --max-time 10 "https://${{ env.DOMAIN }}/" >/dev/null; then
              echo "✅ ${{ env.DOMAIN }} healthy"
              exit 0
            fi
            echo "Attempt $i/6 failed, retrying in 10s..."
            sleep 10
          done
          echo "❌ Health check failed for ${{ env.DOMAIN }}"
          exit 1

      - name: Post-deploy notification
        if: success()
        run: |
          echo "✅ Deployed image ${{ steps.sha.outputs.sha }} to ${{ env.DOMAIN }}"

      - name: Notify failure (Telegram)
        if: failure()
        env:
          BOT_TOKEN: ${{ secrets.PEXSEC_BOT_TOKEN }}
          CEO_CHAT_ID: ${{ secrets.TELEGRAM_CEO_CHAT_ID }}
        run: |
          curl -s -X POST "https://api.telegram.org/bot${BOT_TOKEN}/sendMessage" \
            -d "chat_id=${CEO_CHAT_ID}" \
            -d "text=❌ pwap/web deploy FAILED: ${{ env.DOMAIN }} (sha ${{ steps.sha.outputs.sha }}). Health check did not pass after deploy. Manual rollback needed: gh workflow run quality-gate.yml -f rollback_to=<previous-sha>"

  # ========================================
  # DEPLOY TO pex.mom (VPS3 — geo-redundant mirror)
  # ========================================
  deploy-pex:
    name: Deploy pex.mom
    runs-on: ubuntu-latest
    needs: [telegram-gate, bump-version, build-image]
    if: |
      always() &&
      needs.telegram-gate.result == 'success' &&
      ((github.event_name == 'push' && needs.build-image.result == 'success' && needs.bump-version.result == 'success') ||
       (github.event_name == 'workflow_dispatch' && github.event.inputs.rollback_to != ''))
    permissions:
      contents: read
      packages: read
    env:
      DOMAIN: pex.mom
      TARGET_PATH: /var/www/pex.mom

    steps:
      - name: Determine image SHA
        id: sha
        run: |
          if [ -n "${{ github.event.inputs.rollback_to }}" ]; then
            echo "sha=${{ github.event.inputs.rollback_to }}" >> $GITHUB_OUTPUT
          else
            echo "sha=${{ needs.build-image.outputs.image_sha }}" >> $GITHUB_OUTPUT
          fi

      - name: Log in to GHCR
        uses: docker/login-action@v3
        with:
          registry: ${{ env.REGISTRY }}
          username: ${{ github.actor }}
          password: ${{ secrets.GITHUB_TOKEN }}

      - name: Extract /dist from image
        run: |
          IMAGE="${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}:${{ steps.sha.outputs.sha }}"
          docker pull "$IMAGE"
          CID=$(docker create "$IMAGE")
          mkdir -p dist
          docker cp "$CID:/dist/." dist/
          docker rm "$CID" >/dev/null

      - name: Deploy to VPS3
        uses: appleboy/scp-action@v1.0.0
        with:
          host: ${{ secrets.VPS_PEX_HOST }}
          username: ${{ secrets.VPS_PEX_USER }}
          key: ${{ secrets.VPS_PEX_SSH_KEY }}
          port: ${{ secrets.VPS_PEX_SSH_PORT || 22 }}
          source: 'dist/*'
          target: '/var/www/pex.mom'
          strip_components: 1

      - name: Health check (60s window)
        run: |
          for i in 1 2 3 4 5 6; do
            if curl -sf --max-time 10 "https://${{ env.DOMAIN }}/" >/dev/null; then
              echo "✅ ${{ env.DOMAIN }} healthy"
              exit 0
            fi
            echo "Attempt $i/6 failed, retrying in 10s..."
            sleep 10
          done
          echo "❌ Health check failed for ${{ env.DOMAIN }}"
          exit 1

      - name: Post-deploy notification
        if: success()
        run: |
          echo "✅ Deployed image ${{ steps.sha.outputs.sha }} to ${{ env.DOMAIN }}"

      - name: Notify failure (Telegram)
        if: failure()
        env:
          BOT_TOKEN: ${{ secrets.PEXSEC_BOT_TOKEN }}
          CEO_CHAT_ID: ${{ secrets.TELEGRAM_CEO_CHAT_ID }}
        run: |
          curl -s -X POST "https://api.telegram.org/bot${BOT_TOKEN}/sendMessage" \
            -d "chat_id=${CEO_CHAT_ID}" \
            -d "text=❌ pwap/web deploy FAILED: ${{ env.DOMAIN }} (sha ${{ steps.sha.outputs.sha }}). Health check did not pass. Rollback: gh workflow run quality-gate.yml -f rollback_to=<previous-sha>"

  # ========================================
  # SECURITY CHECKS (BLOCKING)
  # npm audit (high + critical) + TruffleHog secret scan
  # ========================================
  security-audit:
    name: Security Audit
    runs-on: ubuntu-latest
    needs: [web]

    steps:
      - name: Checkout code
        uses: actions/checkout@v4
        with:
          fetch-depth: ${{ github.event_name == 'pull_request' && 0 || 1 }}

      - name: Setup Node.js
        uses: actions/setup-node@v4
        with:
          node-version: '20'

      - name: Web — npm audit (high + critical)
        working-directory: ./web
        run: |
          npm install
          npm audit --audit-level=high

      - name: TruffleHog — PR diff (verified secrets only)
        if: github.event_name == 'pull_request'
        uses: trufflesecurity/trufflehog@main
        with:
          base: ${{ github.event.pull_request.base.sha }}
          head: ${{ github.event.pull_request.head.sha }}
          extra_args: --only-verified

      - name: TruffleHog — full repo scan (verified secrets only)
        if: github.event_name != 'pull_request'
        uses: trufflesecurity/trufflehog@main
        with:
          path: ./
          extra_args: --only-verified

  # ========================================
  # CI GATE — explicit merge-block
  # All required checks must succeed (or be skipped, e.g. for rollback path).
  # Branch protection on main should require this job's success.
  # ========================================
  ci-gate:
    name: CI Gate ✅
    runs-on: ubuntu-latest
    needs: [web, security-audit]
    if: always()

    steps:
      - name: Verify all required jobs succeeded or were intentionally skipped
        run: |
          results='${{ toJSON(needs) }}'
          echo "$results" | python3 -c "
          import json, sys
          needs = json.load(sys.stdin)
          failed = [name for name, job in needs.items() if job['result'] not in ('success', 'skipped')]
          if failed:
              print('❌ Required jobs failed: ' + ', '.join(failed))
              sys.exit(1)
          print('✅ All required CI jobs passed or skipped')
          "