name: Rust

on:
  push:
    branches: [ main ]
  pull_request:
    branches: [ main ]

env:
  CARGO_TERM_COLOR: always

jobs:
  build:
    {
      "runs-on": "ubuntu-latest",
      "steps": [
        {
          "uses": "actions/checkout@v3",
          "name": "Checkout"
        },
        {
          "name": "Install Nix",
          "uses": "cachix/install-nix-action@v17",
          "with": { "extra_nix_config": "access-tokens = github.com=${{ secrets.GITHUB_TOKEN }}" }
        },
        {
          "name": "cargo test",
          "run": "nix develop --command cargo test --verbose"
        }
      ]
    }

  build-release:
    {
      "runs-on": "ubuntu-latest",
      "steps": [
        {
          "uses": "actions/checkout@v3",
          "name": "Checkout"
        },
        {
          "name": "Install Nix",
          "uses": "cachix/install-nix-action@v17",
          "with": { "extra_nix_config": "access-tokens = github.com=${{ secrets.GITHUB_TOKEN }}" }
        },
        {
          "name": "cargo test (release)",
          "run": "nix develop --command cargo test --verbose --release"
        }
      ]
    }

    #  shellcheck:
    #    {
    #      "name": "Shellcheck",
    #      "runs-on": "ubuntu-latest",
    #      "steps": [
    #        {
    #          "uses": "actions/checkout@v3",
    #          "name": "Checkout"
    #        },
    #        {
    #          "name": "Install Nix",
    #          "uses": "cachix/install-nix-action@v17",
    #          "with": { "extra_nix_config": "access-tokens = github.com=${{ secrets.GITHUB_TOKEN }}" }
    #        },
    #        {
    #          "name": "Run Shellcheck",
    #          "run": "nix develop --command bash -c \"find . -type f -name '*.sh' | xargs shellcheck\""
    #        }
    #      ]
    #    }

  alejandra:
    {
      "name": "Nix formatting",
      "runs-on": "ubuntu-latest",
      "steps": [
        {
          "uses": "actions/checkout@v3",
          "name": "Checkout"
        },
        {
          "name": "Install Nix",
          "uses": "cachix/install-nix-action@v17",
          "with": { "extra_nix_config": "access-tokens = github.com=${{ secrets.GITHUB_TOKEN }}" }
        },
        {
          "name": "Run Alejandra",
          "run": "nix develop .#ci --command alejandra -- --check ."
        }
      ]
    }

  rust-fmt:
    {
      "name": "Rust formatting",
      "runs-on": "ubuntu-latest",
      "steps": [
        {
          "uses": "actions/checkout@v3",
          "name": "Checkout"
        },
        {
          "name": "Install Nix",
          "uses": "cachix/install-nix-action@v17",
          "with": { "extra_nix_config": "access-tokens = github.com=${{ secrets.GITHUB_TOKEN }}" }
        },
        {
          "name": "Run ShellCheck",
          "run": "nix develop --command cargo -- fmt --all -- --check"
        }
      ]
    }

  clippy:
    {
      "name": "Clippy",
      "runs-on": "ubuntu-latest",
      "steps": [
        {
          "uses": "actions/checkout@v3",
          "name": "Checkout"
        },
        {
          "name": "Install Nix",
          "uses": "cachix/install-nix-action@v17",
          "with": { "extra_nix_config": "access-tokens = github.com=${{ secrets.GITHUB_TOKEN }}" }
        },
        {
          "name": "Run Clippy",
          "run": "nix develop --command cargo -- clippy -- -D warnings -W clippy::must_use_candidate"
        }
      ]
    }

  nix-build:
    {
      "name": "Nix build",
      "runs-on": "ubuntu-latest",
      "steps": [
        {
          "uses": "actions/checkout@v3",
          "name": "Checkout"
        },
        {
          "name": "Install Nix",
          "uses": "cachix/install-nix-action@v17",
          "with": { "extra_nix_config": "access-tokens = github.com=${{ secrets.GITHUB_TOKEN }}" }
        },
        {
          "name": "Build app",
          "run": "nix build"
        }
      ]
    }

  nix-run:
    {
      "name": "Run app through Nix",
      "runs-on": "ubuntu-latest",
      "steps": [
        {
          "uses": "actions/checkout@v3",
          "name": "Checkout"
        },
        {
          "name": "Install Nix",
          "uses": "cachix/install-nix-action@v17",
          "with": { "extra_nix_config": "access-tokens = github.com=${{ secrets.GITHUB_TOKEN }}" }
        },
        {
          "name": "Run app",
          "run": "nix run"
        }
      ]
    }

  linkcheck:
    {
      "name": "Check links",
      "runs-on": "ubuntu-latest",
      "steps": [
        {
          "uses": "actions/checkout@v3",
          "name": "Checkout"
        },
        {
          "name": "Install Nix",
          "uses": "cachix/install-nix-action@v17",
          "with": { "extra_nix_config": "access-tokens = github.com=${{ secrets.GITHUB_TOKEN }}" }
        },
        {
          "name": "Run link checker",
          "run": "nix develop .#ci --command markdown-link-check README.md"
        }
      ]
    }

  all-required-checks-complete:
    {
      "needs": 
    [
      'nix-build',
      'nix-run',
      'build',
      'build-release',
      'alejandra',
      'clippy',
      'rust-fmt',
      'linkcheck',
      # 'shellcheck'
    ],
      "runs-on": "ubuntu-latest",
      "steps": [
        { "run": "echo \"All required checks complete.\"" }
      ]
    }