name: Crowdin Sync

on:
  workflow_dispatch:
    inputs: {}
  #schedule:
  #  - cron: '0 0 * * *'

jobs:
  crowdin-sync:
    name: Autosync
    runs-on: ubuntu-20.04
    env:
      CROWDIN_BASE_URL: "https://api.crowdin.com/api/v2/projects"
      CROWDIN_PROJECT_ID: "268134"
    steps:
      - name: Checkout repo
        uses: actions/checkout@5a4ac9002d0be2fb38bd78e4b4dbde5606d7042f  # v2.3.4

      - name: Setup git config
        run: |
          git config user.name "github-actions"
          git config user.email "<>"

      - name: Get Crowndin Sync Branch
        id: branch
        run: |
          BRANCH_NAME=crowdin-auto-sync
          BRANCH_EXISTS=true

          git fetch -a
          git switch master
          if [ $(git branch -a | egrep "remotes/origin/${BRANCH_NAME}$" | wc -l) -eq 0 ]; then
            BRANCH_EXISTS=false
            git switch -c $BRANCH_NAME
          else
            git switch $BRANCH_NAME
          fi
          git branch

          echo "::set-output name=branch-exists::$BRANCH_EXISTS"
          echo "::set-output name=branch-name::$BRANCH_NAME"

      - name: Login to Azure
        uses: Azure/login@77f1b2e3fb80c0e8645114159d17008b8a2e475a
        with:
          creds: ${{ secrets.AZURE_PROD_KV_CREDENTIALS }}

      - name: Retrieve secrets
        id: retrieve-secrets
        uses: Azure/get-keyvault-secrets@80ccd3fafe5662407cc2e55f202ee34bfff8c403
        with:
          keyvault: "bitwarden-prod-kv"
          secrets: "crowdin-api-token"

      - name: Get Crowdin master branch id
        id: crowdin-master-branch
        env:
          CROWDIN_API_TOKEN: ${{ steps.retrieve-secrets.outputs.crowdin-api-token }}
        run: |
          # Step 1: GET master branchId
          BRANCH_ID=$(
              curl -s -H "Authorization: Bearer $CROWDIN_API_TOKEN" \
              $CROWDIN_BASE_URL/$CROWDIN_PROJECT_ID/branches | jq -r '.data[0].data.id'
          )
          echo "[*] Crowin master branch id: $BRANCH_ID"
          echo "::set-output name=id::$BRANCH_ID"

      - name: Get Crowdin build id
        id: crowdin-build
        env:
          CROWDIN_API_TOKEN: ${{ steps.retrieve-secrets.outputs.crowdin-api-token }}
          CROWDIN_MASTER_BRANCH_ID: ${{ steps.crowdin-master-branch.outputs.id }}
        run: |
          # Step 2: POST Build the translations and get store build id
          BUILD_ID=$(
              curl -X POST -s \
              -H "Authorization: Bearer $CROWDIN_API_TOKEN" \
              -H "Content-Type: application/json" \
              $CROWDIN_BASE_URL/$CROWDIN_PROJECT_ID/translations/builds \
              -d "{\"branchId\": $CROWDIN_MASTER_BRANCH_ID}" | jq -r '.data.id'
          )
          echo "[*] Crowin translations build id: $BRANCH_ID"
          echo "::set-output name=id::$BUILD_ID"

      - name: Wait for Crowdin build to finish
        env:
          MAX_TRIES: 12
          CROWDIN_API_TOKEN: ${{ steps.retrieve-secrets.outputs.crowdin-api-token }}
          CROWDIN_BUILD_ID: ${{ steps.crowdin-build.outputs.id }}
        run: |
          for try in {1..$MAX_TRIES}; do
              BRANCH_STATUS=$(
                  curl -s -H "Authorization: Bearer $CROWDIN_API_TOKEN" \
                  $CROWDIN_BASE_URL/$CROWDIN_PROJECT_ID/translations/builds/$CROWDIN_BUILD_ID | jq -r '.data.status'
              )
              echo "[*] Build status: $BRANCH_STATUS"
              if [[ "$BRANCH_STATUS" == "finished" ]]; then break; fi
              if [[ "$try" == "$MAX_TRIES" ]]; then
                  echo "[!] Exceeded tries: $try"
                  exit 1
              else
                  sleep 5
              fi
          done

      - name: Get Crowdin download URL
        id: crowdin-download-url
        env:
          CROWDIN_API_TOKEN: ${{ steps.retrieve-secrets.outputs.crowdin-api-token }}
          CROWDIN_BUILD_ID: ${{ steps.crowdin-build.outputs.id }}
        run: |
          # Step 4: when build is finished, get download url
          DOWNLOAD_URL=$(
              curl -s -H "Authorization: Bearer $CROWDIN_API_TOKEN" \
              $CROWDIN_BASE_URL/$CROWDIN_PROJECT_ID/translations/builds/$CROWDIN_BUILD_ID/download | jq -r '.data.url'
          )
          echo "[*] Crowin translations download url: $DOWNLOAD_URL"
          echo "::set-output name=value::$DOWNLOAD_URL"

      - name: Download Crowdin translations
        env:
          CROWDIN_API_TOKEN: ${{ steps.retrieve-secrets.outputs.crowdin-api-token }}
          CROWDIN_DOWNLOAD_URL: ${{ steps.crowdin-download-url.outputs.value }}
          SAVE_FILE: "translations.zip"
        run: |
          # Step 5: download the translations via the download url
          curl -s $CROWDIN_DOWNLOAD_URL --output $SAVE_FILE
          echo "[*]    Saved to: $SAVE_FILE"
          unzip -o $SAVE_FILE
          rm $SAVE_FILE

      - name: Check changes
        id: files-changed
        env:
          BRANCH_NAME: ${{ steps.branch.outputs.branch-name }}
          BRANCH_EXISTS: ${{ steps.branch.outputs.branch-exists }}
        run: |
          DIFF_BRANCH=master
          if [[ "$BRANCH_EXISTS" == "true" ]]; then
            DIFF_BRANCH=$BRANCH_NAME
          fi

          DIFF_LEN=$(git diff origin/${DIFF_BRANCH} | wc -l | xargs)
          echo "[*] git diff lines: ${DIFF_LEN}"
          echo "::set-output name=num::$DIFF_LEN"

      - name: Commit changes
        env:
          BRANCH_NAME: ${{ steps.branch.outputs.branch-name }}
          BRANCH_EXISTS: ${{ steps.branch.outputs.branch-exists }}
          DIFF_BRANCH: master
          DIFF_LEN: ${{ steps.files-changed.outputs.num }}
        run: |
          echo "=====Translations Changed====="
          git diff --name-only origin/${DIFF_BRANCH}
          echo "=============================="

          if [ "$DIFF_LEN" != "0" ]; then
            echo "[*] Adding new translations"
            git add .
            echo "[*] Committing"
            git commit -m "Autosync Crowdin translations"
            echo "[*] Pushing"
            if [ "$BRANCH_EXISTS" == "false" ]; then
              git push -u origin $BRANCH_NAME
            else
              git push
            fi
          else
            echo "[*] No new docs"
          fi

      - name: Create/Update PR
        if: ${{ steps.files-changed.outputs.num }} != 0
        env:
          BRANCH_NAME: ${{ steps.branch.outputs.branch-name }}
          BRANCH_EXISTS: ${{ steps.branch.outputs.branch-exists }}
          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
        run: |
          if [ "$BRANCH_EXISTS" == "false" ]; then
            echo "[*] Creating PR"
            gh pr create --title "Autosync Crowdin Translations" \
            --body "Autosync the updated translations"
          else
            echo "[*] Existing PR updated"
          fi