---
name: Setup Environment
description: Install requested pipx dependencies, configure the system python, and install uv and the package dependencies

inputs:
  uv-install-options:
    default: ""
  uv-version:
    default: 0.4.5
  python-version:
    required: true
  cache-pre-commit:
    default: false
  cache-version:
    default: "v0.1"

runs:
  using: composite
  steps:
    - uses: "actions/setup-python@v5"
      id: setup-python
      with:
        python-version: "${{ inputs.python-version }}"
        allow-prereleases: true

    - name: Setup pipx environment Variables
      id: pipx-env-setup
      # pipx default home and bin dir are not writable by the cache action
      # so override them here and add the bin dir to PATH for later steps.
      # This also ensures the pipx cache only contains uv
      run: |
        SEP="${{ !startsWith(runner.os, 'windows') && '/' || '\\' }}"
        PIPX_CACHE="${{ github.workspace }}${SEP}pipx_cache"
        echo "pipx-cache-path=${PIPX_CACHE}" >> $GITHUB_OUTPUT
        echo "pipx-version=$(pipx --version)" >> $GITHUB_OUTPUT
        echo "PIPX_HOME=${PIPX_CACHE}${SEP}home" >> $GITHUB_ENV
        echo "PIPX_BIN_DIR=${PIPX_CACHE}${SEP}bin" >> $GITHUB_ENV
        echo "PIPX_MAN_DIR=${PIPX_CACHE}${SEP}man" >> $GITHUB_ENV
        echo "${PIPX_CACHE}${SEP}bin" >> $GITHUB_PATH
      shell: bash

    - name: Pipx cache
      id: pipx-cache
      uses: actions/cache@v4
      with:
        path: ${{ steps.pipx-env-setup.outputs.pipx-cache-path }}
        key: cache-${{ inputs.cache-version }}-${{ runner.os }}-${{ runner.arch }}-python-${{ inputs.python-version }}-${{ steps.setup-python.outputs.python-version }}-pipx-${{ steps.pipx-env-setup.outputs.pipx-version }}-uv-${{ inputs.uv-version }}

    - name: Install uv
      if: steps.pipx-cache.outputs.cache-hit != 'true'
      id: install-uv
      shell: bash
      run: |-
        pipx install uv==${{ inputs.uv-version }} --python "${{ steps.setup-python.outputs.python-path }}"

    - name: Read uv cache location
      id: uv-cache-location
      shell: bash
      run: |-
        echo "uv-cache-location=$(uv cache dir)" >> $GITHUB_OUTPUT

    - uses: actions/cache@v4
      name: uv cache
      with:
        path: |
          ${{ steps.uv-cache-location.outputs.uv-cache-location }}
        key: cache-${{ inputs.cache-version }}-${{ runner.os }}-${{ runner.arch }}-python-${{ steps.setup-python.outputs.python-version }}-uv-${{ inputs.uv-version }}-${{ hashFiles('uv.lock') }}-options-${{ inputs.uv-install-options }}

    - name: "uv install"
      shell: bash
      run: |
        uv sync --python "${{ steps.setup-python.outputs.python-path }}" ${{ inputs.uv-install-options }}

    - name: Read pre-commit version
      if: inputs.cache-pre-commit == 'true'
      id: pre-commit-version
      shell: bash
      run: >-
        echo "pre-commit-version=$(uv run pre-commit -- -V | awk '{print $2}')" >> $GITHUB_OUTPUT

    - uses: actions/cache@v4
      if: inputs.cache-pre-commit == 'true'
      name: Pre-commit cache
      with:
        path: ~/.cache/pre-commit/
        key: cache-${{ inputs.cache-version }}-${{ runner.os }}-${{ runner.arch }}-pre-commit-${{ steps.pre-commit-version.outputs.pre-commit-version }}-python-${{ inputs.python-version }}-${{ steps.setup-python.outputs.python-version }}-${{ hashFiles('.pre-commit-config.yaml') }}