name: Check job matrix
branding:
  icon: check-square
  color: green
description: Check generated job matrix.
author: Patrick Lehmann (@Paebbels)

inputs:
  expected-default-version:
    description:
    type: string
    required: true
  expected-python-versions:
    description:
    type: string
    required: true
  expected-systems:
    description:
    type: string
    required: true
  expected-exclude-jobs:
    description:
    type: string
    required: true
  expected-include-jobs:
    description:
    type: string
    required: true
  generated-default-version:
    description:
    type: string
    required: true
  generated-jobmatrix:
    description:
    type: string
    required: true

runs:
  using: composite
  steps:
    - name: Check parameters
      id: check
      shell: python
      run: |
        from json import loads as json_loads
        from sys  import exit

        actualPythonVersion =         """${{ inputs.generated-default-version }}"""
        actualPythonJobs = json_loads("""${{ inputs.generated-jobmatrix }}""".replace("'", '"'))

        expectedPythonVersion =       """${{ inputs.expected-default-version }}"""
        expectedPythons =  json_loads("""${{ inputs.expected-python-versions }}""".replace("'", '"'))
        expectedSystems =  json_loads("""${{ inputs.expected-systems }}""".replace("'", '"'))
        excludedJobs =     json_loads("""${{ inputs.expected-exclude-jobs }}""".replace("'", '"'))
        includeJobs =      json_loads("""${{ inputs.expected-include-jobs }}""".replace("'", '"'))
        expectedJobs = sorted([f"{system}:{python}" for system in expectedSystems for python in expectedPythons if f"{system}:{python}" not in excludedJobs] + includeJobs)

        errors = 0
        if actualPythonVersion != expectedPythonVersion:
          print(f"'python_version' does not match: '{actualPythonVersion}' != '{expectedPythonVersion}'.")
          errors += 1

        if len(actualPythonJobs) != len(expectedJobs):
          print(f"❌ Number of 'python_jobs' does not match: {len(actualPythonJobs)} != {len(expectedJobs)}.")
          print("Actual jobs:")
          for job in actualPythonJobs:
            if job['system'] == "msys2":
              print(f"  {job['runtime'].lower()}:{job['python']}")
            else:
              print(f"  {job['system']}:{job['python']}")

          print("Expected jobs:")
          for job in expectedJobs:
            print(f"  {job}")
          errors += 1
        else:
          print("✅ Number of 'python_jobs' as expected.")
          print("Checking job combinations ...")

          actualJobs = sorted([f"{job['system'] if job['system'] != 'msys2' else job['runtime'].lower()}:{job['python']}" for job in actualPythonJobs])
          for actual, expected in zip(actualJobs, expectedJobs):
            if actual != expected:
              print(f"  ❌ Job does not match: {actual} != {expected}.")
              errors += 1
            else:
              print(f"  ☑ Job as expected: {actual}.")

        if errors == 0:
          print("✅ All checks PASSED.")
        else:
          print(f"❌ Counted {errors} errors.")
          exit(errors)