checkout_client

defmodule CheckoutClient.MixProject do
  use Mix.Project

  @version "1.0.0"
  @source_url "https://github.com/iamkanishka/checkout_client"
  @description """
  Production-grade Elixir client for the Checkout.com API. Supports Payments, Disputes, Tokens, Customers, Transfers, and more. Features OAuth 2.0, idempotency, retries with backoff, Telemetry, and full API coverage.
  """

  def project do
    [
      app: :checkout_client,
      version: @version,
      elixir: "~> 1.18",
      elixirc_paths: elixirc_paths(Mix.env()),
      start_permanent: Mix.env() == :prod,
      deps: deps(),
      aliases: aliases(),
      description: @description,
      package: package(),
      name: "checkout_client",
      source_url: @source_url,
      homepage_url: "https://hexdocs.pm/checkout_client",
      docs: docs(),
      test_coverage: [tool: ExCoveralls],
      preferred_cli_env: preferred_cli_env(),
      dialyzer: dialyzer()
    ]
  end

  def application do
    [
      extra_applications: [:logger, :crypto],
      mod: {CheckoutClient.Application, []}
    ]
  end

  defp elixirc_paths(:test), do: ["lib", "test/support"]
  defp elixirc_paths(_), do: ["lib"]

  defp deps do
    [
      # HTTP — Req over Finch (HTTP/2, connection pooling)
      {:req, "~> 0.5"},
      {:finch, "~> 0.19"},
      # JSON
      {:jason, "~> 1.4"},
      # Config validation
      {:nimble_options, "~> 1.1"},
      # Observability
      {:telemetry, "~> 1.3"},
      {:telemetry_metrics, "~> 1.0"},
      {:telemetry_poller, "~> 1.1"},
      # Dev tooling
      {:ex_doc, "~> 0.40", only: :dev, runtime: false},
      {:dialyxir, "~> 1.4", only: [:dev, :test], runtime: false},
      {:credo, "~> 1.7", only: [:dev, :test], runtime: false},
      {:excoveralls, "~> 0.18", only: :test},
      # Testing
      {:bypass, "~> 2.1", only: :test},
      {:mox, "~> 1.1", only: :test},
      {:stream_data, "~> 1.1", only: :test}
    ]
  end

  defp package do
    [
      name: "checkout_client",
      files: ~w[lib .formatter.exs mix.exs README.md LICENSE CHANGELOG.md],
      licenses: ["MIT"],
      links: %{
        "GitHub" => @source_url,
        "Changelog" => "#{@source_url}/blob/main/CHANGELOG.md",
        "Checkout.com Docs" => "https://www.checkout.com/docs/developer-resources/api",
        "Checkout.com API Reference" => "https://api-reference.checkout.com"
      },
      maintainers: ["Your Name"]
    ]
  end

  defp docs do
    [
      main: "readme",
      source_ref: "v#{@version}",
      source_url: @source_url,
      extras: ["README.md", "CHANGELOG.md", "guides/getting_started.md"],
      groups_for_modules: [
        Core: [CheckoutClient, CheckoutClient.Client, CheckoutClient.Config, CheckoutClient.Error],
        Auth: [CheckoutClient.Auth, CheckoutClient.Auth.TokenStore],
        HTTP: [CheckoutClient.HTTP.Idempotency, CheckoutClient.HTTP.Retry],
        Behaviours: [CheckoutClient.Behaviours.HTTP, CheckoutClient.Behaviours.Auth],
        Payments: [
          CheckoutClient.Payments,
          CheckoutClient.Payments.Flow,
          CheckoutClient.Payments.Links,
          CheckoutClient.Payments.HostedPage,
          CheckoutClient.Payments.Contexts,
          CheckoutClient.Payments.Setups,
          CheckoutClient.Payments.Methods
        ],
        "Credentials & Vault": [
          CheckoutClient.Tokens,
          CheckoutClient.Instruments,
          CheckoutClient.Customers,
          CheckoutClient.Forward
        ],
        "Risk & Compliance": [
          CheckoutClient.Disputes,
          CheckoutClient.Workflows,
          CheckoutClient.Compliance
        ],
        "Funds & FX": [CheckoutClient.Transfers, CheckoutClient.Balances, CheckoutClient.Forex],
        "Wallets & Integrations": [CheckoutClient.ApplePay, CheckoutClient.GooglePay],
        Issuing: [
          CheckoutClient.Issuing.Cardholders,
          CheckoutClient.Issuing.Cards,
          CheckoutClient.Issuing.Controls,
          CheckoutClient.Issuing.ControlProfiles,
          CheckoutClient.Issuing.ControlGroups,
          CheckoutClient.Issuing.CardholderAccessTokens,
          CheckoutClient.Issuing.Transactions,
          CheckoutClient.Issuing.Disputes,
          CheckoutClient.Issuing.Sandbox
        ],
        Platforms: [
          CheckoutClient.Platforms.Entities,
          CheckoutClient.Platforms.PaymentInstruments,
          CheckoutClient.Platforms.PayoutSchedules,
          CheckoutClient.Platforms.ReserveRules
        ],
        Reporting: [CheckoutClient.Reports, CheckoutClient.FinancialActions],
        Identity: [
          CheckoutClient.Identity.Applicants,
          CheckoutClient.Identity.Verification,
          CheckoutClient.Identity.AML,
          CheckoutClient.Identity.FaceAuth,
          CheckoutClient.Identity.Documents
        ],
        Misc: [
          CheckoutClient.NetworkTokens,
          CheckoutClient.CardMetadata,
          CheckoutClient.Sessions,
          CheckoutClient.AccountUpdater,
          CheckoutClient.AgenticCommerce,
          CheckoutClient.Telemetry
        ]
      ]
    ]
  end

  defp preferred_cli_env do
    [
      coveralls: :test,
      "coveralls.detail": :test,
      "coveralls.post": :test,
      "coveralls.html": :test,
      "coveralls.cobertura": :test,
      "test.all": :test
    ]
  end

  defp dialyzer do
    [
      plt_file: {:no_warn, "priv/plts/dialyzer.plt"},
      plt_add_apps: [:ex_unit, :mix],
      flags: [:error_handling, :missing_return, :underspecs],
      ignore_warnings: ".dialyzer_ignore.exs"
    ]
  end

  defp aliases do
    [
      # check: ["format --check-formatted", "credo --strict", "dialyzer --format github", "test"],
      check: ["format --check-formatted", "credo --strict", "dialyzer --format github"],
      "test.all": ["test --include integration"],
      setup: ["deps.get", "compile"]
    ]
  end
end