name: 'Release: Code freeze'
on:
    schedule:
        - cron: '0 23 * * 1' # Run at 2300 UTC on Mondays.
    workflow_dispatch:
        inputs:
            timeOverride:
                description: "Time Override: The time to use in checking whether the action should run (default: 'now')."
                default: 'now'
            skipSlackPing:
                description: 'Skip Slack Ping: If true, the Slack ping will be skipped (useful for testing)'
                type: boolean
            slackChannelOverride:
                description: 'Slack Channel Override: The channel ID to send the Slack ping about the freeze'

env:
    TIME_OVERRIDE: ${{ inputs.timeOverride || 'now' }}
    GIT_COMMITTER_NAME: 'WooCommerce Bot'
    GIT_COMMITTER_EMAIL: 'no-reply@woocommerce.com'
    GIT_AUTHOR_NAME: 'WooCommerce Bot'
    GIT_AUTHOR_EMAIL: 'no-reply@woocommerce.com'

permissions: {}

jobs:
    code-freeze-prep:
        name: 'Verify that today is the day of the code freeze and prepare repository'
        runs-on: ubuntu-20.04
        permissions:
            contents: write
            issues: write
        outputs:
            freeze: ${{ steps.check-freeze.outputs.freeze }}
            nextReleaseBranch: ${{ steps.branch.outputs.nextReleaseBranch }}
            nextReleaseVersion: ${{ steps.milestone.outputs.nextReleaseVersion }}
            nextDevelopmentVersion: ${{ steps.milestone.outputs.nextDevelopmentVersion }}
        steps:
            - name: Checkout code
              uses: actions/checkout@v3
              with:
                  fetch-depth: 0

            - name: Install prerequisites
              run: |
                  npm install -g pnpm
                  pnpm install --filter monorepo-utils

            - name: 'Check whether today is the code freeze day'
              id: check-freeze
              run: pnpm utils code-freeze verify-day -g -o $TIME_OVERRIDE

            - name: Create next milestone
              id: milestone
              if: steps.check-freeze.outputs.freeze == 'true'
              env:
                  GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
              run: pnpm run utils code-freeze milestone -g -o ${{ github.repository_owner }}

            - name: Create next release branch
              id: branch
              if: steps.check-freeze.outputs.freeze == 'true'
              env:
                  GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
              run: pnpm run utils code-freeze branch -g -o ${{ github.repository_owner }}

    prep-trunk:
        name: Preps trunk for next development cycle
        runs-on: ubuntu-20.04
        permissions:
            contents: write
            pull-requests: write
        needs: code-freeze-prep
        if: needs.code-freeze-prep.outputs.freeze == 'true'
        steps:
            - name: Checkout code
              uses: actions/checkout@v3
              with:
                  fetch-depth: 100

            - name: fetch-trunk
              run: git fetch origin trunk

            - name: checkout-trunk
              run: git checkout trunk

            - name: Setup WooCommerce Monorepo
              uses: ./.github/actions/setup-woocommerce-monorepo

            - name: Create branch
              run: git checkout -b prep/trunk-for-next-dev-cycle-${{ needs.code-freeze-prep.outputs.nextDevelopmentVersion }}

            - name: Bump versions
              working-directory: ./tools/version-bump
              run: pnpm run version bump woocommerce -v ${{ needs.code-freeze-prep.outputs.nextDevelopmentVersion }}.0-dev

            - name: Checkout pnpm-lock.yaml to prevent issues
              run: git checkout pnpm-lock.yaml

            - name: Commit changes
              run: git commit -am "Prep trunk for ${{ needs.code-freeze-prep.outputs.nextDevelopmentVersion }} cycle"

            - name: Push branch up
              run: git push --no-verify origin prep/trunk-for-next-dev-cycle-${{ needs.code-freeze-prep.outputs.nextDevelopmentVersion }}

            - name: Create the PR
              uses: actions/github-script@v6
              with:
                  script: |
                      const body = "This PR updates the versions in trunk to ${{ needs.code-freeze-prep.outputs.nextDevelopmentVersion }} for next development cycle."

                      const pr = await github.rest.pulls.create({
                        owner: context.repo.owner,
                        repo: context.repo.repo,
                        title: "Prep trunk for ${{ needs.code-freeze-prep.outputs.nextDevelopmentVersion }} cycle",
                        head: "prep/trunk-for-next-dev-cycle-${{ needs.code-freeze-prep.outputs.nextDevelopmentVersion }}",
                        base: "trunk",
                        body: body
                      })

    notify-slack:
        name: 'Sends code freeze notification to Slack'
        runs-on: ubuntu-20.04
        needs: prep-trunk
        if: ${{ inputs.skipSlackPing != true }}
        steps:
            - name: Slack
              uses: archive/github-actions-slack@v2.0.0
              id: notify
              with:
                  slack-bot-user-oauth-access-token: ${{ secrets.CODE_FREEZE_BOT_TOKEN }}
                  slack-channel: ${{ inputs.slackChannelOverride || secrets.WOO_RELEASE_SLACK_CHANNEL }}
                  slack-text: |
                      :warning-8c: ${{ needs.code-freeze-prep.outputs.nextReleaseVersion }} Code Freeze :ice_cube:

                      The automation to cut the release branch for ${{ needs.code-freeze-prep.outputs.nextReleaseVersion }} has run. Any PRs that were not already merged will be a part of ${{ needs.maybe-create-next-milestone-and-release-branch.outputs.nextDevelopmentVersion }} by default. If you have something that needs to make ${{ needs.maybe-create-next-milestone-and-release-branch.outputs.nextReleaseVersion }} that hasn't yet been merged, please see the <${{ secrets.FG_LINK }}/code-freeze-for-woocommerce-core-release/|fieldguide page for the code freeze>.

    trigger-changelog-action:
        name: 'Trigger changelog action'
        runs-on: ubuntu-20.04
        permissions:
            actions: write
        needs: code-freeze-prep
        if: needs.code-freeze-prep.outputs.freeze == 'true'
        steps:
            - name: 'Trigger changelog action'
              uses: actions/github-script@v6
              with:
                  script: |
                      github.rest.actions.createWorkflowDispatch({
                        owner: context.repo.owner,
                        repo: context.repo.repo,
                        workflow_id: 'release-changelog.yml',
                        ref: 'trunk',
                        inputs: {
                          releaseVersion: "${{ needs.code-freeze-prep.outputs.nextReleaseVersion }}",
                          releaseBranch: "${{ needs.code-freeze-prep.outputs.nextReleaseBranch }}"
                        }
                      })