name: Crowdin Translation Sync

on:
  workflow_dispatch:
    inputs:
      allowed_translation_losses:
        description: "Comma-separated locale:message.key acknowledgements for intentional translation removals"
        required: false
        type: string
  schedule:
    - cron: "47 5 * * *"

permissions:
  contents: read

concurrency:
  group: crowdin-translation-sync
  cancel-in-progress: false

env:
  FORCE_JAVASCRIPT_ACTIONS_TO_NODE24: "true"
  NODE_VERSION: "24"
  PNPM_VERSION: "10"

jobs:
  synchronize:
    name: Validate and propose translations
    if: github.repository == 'bookorbit/bookorbit'
    runs-on: ubuntu-latest
    timeout-minutes: 20
    steps:
      - name: Checkout main
        uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v7.0.1
        with:
          ref: main

      - name: Set up Node.js and pnpm
        uses: ./.github/actions/setup-node-pnpm
        with:
          node-version: ${{ env.NODE_VERSION }}
          pnpm-version: ${{ env.PNPM_VERSION }}
          prefetch: "true"

      - name: Check synchronization credentials
        env:
          CROWDIN_TOKEN: ${{ secrets.CROWDIN_TOKEN }}
          CROWDIN_PR_TOKEN: ${{ secrets.CROWDIN_PR_TOKEN }}
        run: |
          if [ -z "$CROWDIN_TOKEN" ]; then
            echo "::error::CROWDIN_TOKEN is required."
            exit 1
          fi
          if [ -z "$CROWDIN_PR_TOKEN" ]; then
            echo "::error::CROWDIN_PR_TOKEN is required so pull request workflows are triggered."
            exit 1
          fi

      - name: Build sparse translation catalogs
        env:
          CROWDIN_ALLOWED_TRANSLATION_LOSSES: ${{ inputs.allowed_translation_losses }}
          CROWDIN_PROJECT_ID: ${{ vars.CROWDIN_PROJECT_ID }}
          CROWDIN_REJECTION_REPORT: ${{ runner.temp }}/crowdin-rejections.md
          CROWDIN_TOKEN: ${{ secrets.CROWDIN_TOKEN }}
        run: pnpm --filter client sync:crowdin

      - name: Validate translation catalogs
        run: pnpm --filter client validate:locales

      - name: Test localization runtime and synchronization
        run: >-
          pnpm --filter client exec vitest run
          scripts/locale-catalog-validation.spec.mjs
          scripts/sync-crowdin-translations.spec.mjs
          src/i18n/icu.spec.ts

      - name: Compose pull request body
        env:
          PR_BODY: ${{ runner.temp }}/crowdin-pr-body.md
          REJECTION_REPORT: ${{ runner.temp }}/crowdin-rejections.md
        run: |
          {
            echo "Automated sparse translation export from Crowdin."
            echo
            echo "Untranslated entries are omitted so Vue I18n falls back to the English catalog."
          } > "$PR_BODY"
          if [ -s "$REJECTION_REPORT" ]; then
            echo >> "$PR_BODY"
            cat "$REJECTION_REPORT" >> "$PR_BODY"
            cat "$REJECTION_REPORT" >> "$GITHUB_STEP_SUMMARY"
            echo "::warning::Crowdin returned translations that failed catalog validation; they were omitted and are listed in the pull request body."
          fi

      - name: Create translation pull request
        uses: peter-evans/create-pull-request@5f6978faf089d4d20b00c7766989d076bb2fc7f1 # v8.1.1
        with:
          token: ${{ secrets.CROWDIN_PR_TOKEN }}
          add-paths: |
            client/src/locales/cs.json
            client/src/locales/da.json
            client/src/locales/de.json
            client/src/locales/el.json
            client/src/locales/es.json
            client/src/locales/fi.json
            client/src/locales/fr.json
            client/src/locales/hu.json
            client/src/locales/id.json
            client/src/locales/it.json
            client/src/locales/ja.json
            client/src/locales/ko.json
            client/src/locales/nl.json
            client/src/locales/pl.json
            client/src/locales/pt.json
            client/src/locales/ro.json
            client/src/locales/ru.json
            client/src/locales/sk.json
            client/src/locales/sl.json
            client/src/locales/sv.json
            client/src/locales/tr.json
            client/src/locales/uk.json
            client/src/locales/zh.json
            client/src/locales/zh-Hant.json
          commit-message: |-
            i18n(client): sync translations from Crowdin

            Keep sparse translated catalogs synchronized with reviewed Crowdin content.
          committer: github-actions[bot] <41898282+github-actions[bot]@users.noreply.github.com>
          author: github-actions[bot] <41898282+github-actions[bot]@users.noreply.github.com>
          branch: l10n_main
          delete-branch: true
          base: main
          title: "i18n(client): sync translations from Crowdin"
          body-path: ${{ runner.temp }}/crowdin-pr-body.md