name: "Schedule FrogPilot Update"
run-name: "Schedule FrogPilot update for ${{ inputs.scheduled_date }}"

on:
  workflow_dispatch:
    inputs:
      scheduled_date:
        description: Enter the date to update the FrogPilot branch (YYYY-MM-DD)
        required: true
        type: string

permissions:
  contents: write

env:
  BRANCH_STAGING: ${{ vars.BRANCH_STAGING || 'FrogPilot-Staging' }}
  TZ: America/Phoenix

concurrency:
  group: schedule-frogpilot-update-staging

jobs:
  schedule_update:
    name: "Schedule staging release handoff"
    runs-on: ubuntu-latest
    timeout-minutes: 10
    steps:
      - name: "Checkout staging branch"
        uses: actions/checkout@v6
        with:
          ref: ${{ env.BRANCH_STAGING }}

      - name: "Schedule staging release handoff"
        env:
          INPUT_SCHEDULED_DATE: ${{ inputs.scheduled_date }}
        run: |
          scheduled_date="$INPUT_SCHEDULED_DATE"

          if [[ -z "${{ vars.GIT_NAME }}" || -z "${{ vars.GIT_EMAIL }}" ]]; then
            echo "Repository variables GIT_NAME and GIT_EMAIL must be set."
            exit 1
          fi

          git config user.name "${{ vars.GIT_NAME }}"
          git config user.email "${{ vars.GIT_EMAIL }}"

          if ! parsed_date=$(TZ="$TZ" date -d "$scheduled_date" +%F 2>/dev/null); then
            echo "scheduled_date must be a valid YYYY-MM-DD date."
            exit 1
          fi

          today=$(TZ="$TZ" date +%F)
          if [[ "$parsed_date" < "$today" ]]; then
            echo "scheduled_date must be today or later in $TZ."
            exit 1
          fi

          printf "%s\n" "$parsed_date" > ".github/update_date"
          git add ".github/update_date"

          if git diff --cached --quiet; then
            echo "No schedule change detected."
            exit 0
          fi

          GIT_AUTHOR_DATE="$(git log -1 --format=%aI)" \
          GIT_COMMITTER_DATE="$(git log -1 --format=%cI)" \
          git commit --amend --no-edit

          git push --force-with-lease origin "HEAD:refs/heads/$BRANCH_STAGING"