name: Deploy eCourt Note Web to UAT Server

on:
  push:
    tags:
      - "deploy*.*.*"
  workflow_dispatch:
    inputs:
      version:
        description: "เวอร์ชันที่จะ deploy เช่น 1.2.3 (ว่าง = latest)"
        required: false
        type: string

env:
  # Container Registry
  REGISTRY_URL: ${{ vars.CONTAINER_REGISTRY }}
  REGISTRY_USERNAME: ${{ vars.CONTAINER_REGISTRY_USERNAME }}
  REGISTRY_PASSWORD: ${{ secrets.CONTAINER_REGISTRY_PASSWORD }}

  # Docker Image — ไม่ build เอง ใช้ image เดียวกับที่ build.yml push ไว้
  # (push tag deploy1.2.3 หรือ Run workflow จาก UI ใส่เวอร์ชัน → map เป็น image v1.2.3 เสมอ)
  WEB_IMAGE_NAME: chamomind/ecourt-note

  # SSH Deployment — ต่างจาก build.yml: ชี้เครื่อง UAT (ตั้ง vars.SSH_UAT_DEPLOY_HOST เพิ่มใน Forgejo) + ไม่ build image เอง
  DEPLOY_HOST: ${{ vars.SSH_UAT_DEPLOY_HOST }}
  DEPLOY_USER: ${{ vars.SSH_DEPLOY_USER }}

  # Notifications
  DISCORD_WEBHOOK_URL: ${{ vars.DISCORD_WEBHOOK_URL }}
  NEXT_PUBLIC_APP_URL: ${{ vars.NEXT_PUBLIC_APP_URL }}

jobs:
  validate-schema:
    name: Validate Database Schema (Drizzle)
    runs-on: ubuntu-latest
    if: startsWith(github.ref, 'refs/tags/')
    steps:
      - name: Checkout code
        uses: actions/checkout@v4
        with:
          fetch-depth: 0

      - name: Verify tag is on dev branch
        run: |
          echo "======================================================"
          echo "Verifying tag is pushed to dev branch"
          echo "======================================================"
          echo "Tag: ${{ github.ref_name }}"
          echo "Commit: ${{ github.sha }}"

          # Fetch dev branch
          git fetch origin dev

          # Check if the tag's commit is on dev branch
          if git branch -r --contains ${{ github.sha }} | grep -q "origin/dev"; then
            echo "✅ Tag is on dev branch"
            echo "test_branch=true" >> $GITHUB_ENV
          else
            echo "❌ Tag is NOT on dev branch"
            echo "This workflow only triggers for tags pushed to dev branch"
            echo ""
            echo "Current branches containing this commit:"
            git branch -r --contains ${{ github.sha }}
            exit 1
          fi

      - name: Check for schema changes
        id: schema-check
        run: |
          # โปรเจกต์นี้ใช้ Drizzle (drizzle-kit push) ไม่มีโฟลเดอร์ migrations — ดูการเปลี่ยนแปลงที่ db/schema.ts
          if git diff --name-only origin/dev...HEAD | grep -qE "^db/schema\.ts$"; then
            echo "has_schema_changes=true" >> $GITHUB_OUTPUT
            echo "✅ Schema changes detected"
          else
            echo "has_schema_changes=false" >> $GITHUB_OUTPUT
            echo "ℹ️  No schema changes"
          fi

      - name: Schema change summary
        if: steps.schema-check.outputs.has_schema_changes == 'true'
        run: |
          echo "=== Schema Change Summary ==="
          echo ""
          echo "Database schema (db/schema.ts) has been modified in this deployment."
          echo "This project uses Drizzle push (no migration files)."
          echo ""
          echo "⚠️  REMINDERS:"
          echo "  1. Run 'npx drizzle-kit push' on the target database (staging first)"
          echo "  2. Monitor logs after deployment"
          echo ""
          echo "📚 Reference: README.md / docs/PLAN.md §3"

  deploy:
    name: Deploy eCourt Note Web to UAT Server
    runs-on: ubuntu-latest
    needs: validate-schema
    # รันได้ 2 ทาง: push tag deploy*.*.* หรือกด Run workflow จาก UI (ใส่เวอร์ชันใน input)
    # !failure() && !cancelled() = ผ่านได้เมื่อ validate-schema success หรือถูก skip (กรณี dispatch)
    # แต่ยังไม่รันถ้า validate-schema fail (tag ไม่อยู่บน dev)
    if: >-
      always() && !failure() && !cancelled() &&
      (startsWith(github.ref, 'refs/tags/') || github.event_name == 'workflow_dispatch')
    outputs:
      image_tag: ${{ steps.image-tag.outputs.tag }}
    steps:
      - name: Resolve image tag (deploy1.2.3 / v1.2.3 → v1.2.3, ว่าง → latest)
        id: image-tag
        run: |
          if [ "${{ github.event_name }}" = "workflow_dispatch" ]; then
            RAW="${{ github.event.inputs.version }}"
          else
            RAW="${{ github.ref_name }}"
          fi
          TAG="latest"
          if [ -n "$RAW" ]; then
            TAG="${RAW#deploy}"
            TAG="${TAG#v}"
            TAG="v$TAG"
          fi
          echo "tag=$TAG" >> $GITHUB_OUTPUT
          echo "Reuse image จาก build.yml: ${{ env.REGISTRY_URL }}/${{ env.WEB_IMAGE_NAME }}:$TAG"

      - name: Log in to Container Registry
        uses: docker/login-action@v3
        with:
          registry: ${{ env.REGISTRY_URL }}
          username: ${{ env.REGISTRY_USERNAME }}
          password: ${{ env.REGISTRY_PASSWORD }}

      - name: Verify image exists in registry
        run: |
          if ! docker manifest inspect "${{ env.REGISTRY_URL }}/${{ env.WEB_IMAGE_NAME }}:${{ steps.image-tag.outputs.tag }}" > /dev/null; then
            echo "❌ Image ${{ env.REGISTRY_URL }}/${{ env.WEB_IMAGE_NAME }}:${{ steps.image-tag.outputs.tag }} ไม่มีใน registry"
            echo "workflow นี้ไม่ build เอง — push tag ${{ steps.image-tag.outputs.tag }} ก่อน เพื่อให้ build.yml build + push image ให้"
            exit 1
          fi
          echo "✅ Image found — deploy ด้วย image เดียวกับ build.yml"

      - name: Deploy web on UAT server
        uses: appleboy/ssh-action@v1.2.1
        with:
          host: ${{ env.DEPLOY_HOST }}
          port: ${{ vars.SSH_DEPLOY_PORT }}
          username: ${{ env.DEPLOY_USER }}
          password: ${{ secrets.SSH_DEPLOY_PASSWORD }}
          script: |
            cd ~/repo

            chmod +x ./replace-env.sh ./deploy.sh
            ./replace-env.sh ECOURT_NOTE_TAG "${{ steps.image-tag.outputs.tag }}"
            ./deploy.sh

  notify:
    name: Notify Deployment Status
    runs-on: ubuntu-latest
    needs: [deploy]
    if: always()
    steps:
      - name: Send Discord notification - Success
        if: ${{ needs.deploy.result == 'success' }}
        run: |
          curl -H "Content-Type: application/json" \
            -d '{
              "embeds": [{
                "title": "✅ eCourt Note UAT Deployment Successful",
                "description": "eCourt Note Web deployed to UAT server",
                "color": 3066993,
                "fields": [
                  {
                    "name": "Environment",
                    "value": "UAT",
                    "inline": true
                  },
                  {
                    "name": "Tag",
                    "value": "${{ github.event_name == 'workflow_dispatch' && github.event.inputs.version || github.ref_name }}",
                    "inline": true
                  },
                  {
                    "name": "Commit",
                    "value": "`${{ github.sha }}`",
                    "inline": false
                  },
                  {
                    "name": "Image Tag",
                    "value": "`${{ needs.deploy.outputs.image_tag }}`",
                    "inline": true
                  },
                  {
                    "name": "Web URL",
                    "value": "${{ env.NEXT_PUBLIC_APP_URL }}",
                    "inline": false
                  },
                  {
                    "name": "Deployed By",
                    "value": "${{ github.actor }}",
                    "inline": true
                  }
                ],
                "footer": {
                  "text": "eCourt Note CD Pipeline"
                },
                "timestamp": "'"$(date -u +%Y-%m-%dT%H:%M:%S.000Z)"'"
              }]
            }' \
            ${{ env.DISCORD_WEBHOOK_URL }}

      - name: Send Discord notification - Failure
        if: ${{ needs.deploy.result == 'failure' }}
        run: |
          curl -H "Content-Type: application/json" \
            -d '{
              "embeds": [{
                "title": "❌ eCourt Note UAT Deployment Failed",
                "description": "Failed to deploy eCourt Note Web to UAT server",
                "color": 15158332,
                "fields": [
                  {
                    "name": "Environment",
                    "value": "UAT",
                    "inline": true
                  },
                  {
                    "name": "Tag",
                    "value": "${{ github.ref_name }}",
                    "inline": true
                  },
                  {
                    "name": "Commit",
                    "value": "`${{ github.sha }}`",
                    "inline": false
                  },
                  {
                    "name": "Failed Job",
                    "value": "Deploy",
                    "inline": true
                  },
                  {
                    "name": "Deployed By",
                    "value": "${{ github.actor }}",
                    "inline": true
                  }
                ],
                "footer": {
                  "text": "eCourt Note CD Pipeline"
                },
                "timestamp": "'"$(date -u +%Y-%m-%dT%H:%M:%S.000Z)"'"
              }]
            }' \
            ${{ env.DISCORD_WEBHOOK_URL }}
          exit 1