defmodule Fief.MixProject do
  use Mix.Project

  @source_url "https://github.com/hansihe/fief"

  def project do
    [
      app: :fief,
      version: "0.1.0",
      elixir: "~> 1.20",
      elixirc_paths: elixirc_paths(Mix.env()),
      start_permanent: Mix.env() == :prod,
      aliases: aliases(),
      deps: deps(),
      name: "Fief",
      description: description(),
      package: package(),
      source_url: @source_url,
      docs: docs()
    ]
  end

  def application do
    [
      extra_applications: [:logger]
    ]
  end

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

  defp aliases do
    [
      seams: "cmd bash scripts/check_seams.sh"
    ]
  end

  defp description do
    "CP key ownership for Elixir clusters: at most one node owns a given key, " <>
      "in every failure mode."
  end

  defp package do
    [
      licenses: ["MIT"],
      links: %{"GitHub" => @source_url}
    ]
  end

  defp deps do
    # Amendment to the zero-runtime-deps principle (M7, user-authorized
    # 2026-07-07): ecto_sql/postgrex as OPTIONAL deps for the Postgres
    # adapter. Fief itself compiles and runs without them — the adapter
    # duck-types the user's repo (`repo.query/2`, no Ecto API calls), and
    # `Fief.Authority.Postgres.Migrations` is guarded by
    # `Code.ensure_loaded?(Ecto.Migration)`.
    [
      {:ecto_sql, "~> 3.10", optional: true},
      {:postgrex, "~> 0.18", optional: true},
      {:ex_doc, "~> 0.34", only: :dev, runtime: false}
    ]
  end

  # Docs config (documentation-plan.md D0, §7). `extras` lists every guide
  # page from the §4 page inventory; `groups_for_extras` groups them by
  # audience tier (§3); `groups_for_modules` is the rough §5 module triage —
  # grouping only, does not touch moduledocs.
  defp docs do
    [
      main: "overview",
      extras: [
        "guides/overview.md",
        "guides/guarantees.md",
        "guides/concepts/ownership.md",
        "guides/concepts/leases.md",
        "guides/concepts/authority.md",
        "guides/concepts/instances.md",
        "guides/getting-started.md",
        "guides/key-lifecycle.md",
        "guides/fencing-modes.md",
        "guides/delivery-and-errors.md",
        "guides/configuration.md",
        "guides/cache.md",
        "guides/protocols/join-leave.md",
        "guides/protocols/transfer.md",
        "guides/protocols/failure.md",
        "guides/protocols/netsplit-matrix.md",
        "guides/operations/postgres.md",
        "guides/operations/tuning.md",
        "guides/operations/runbook.md",
        "guides/extending/authority-adapters.md",
        "guides/extending/vnode-impls.md",
        "guides/extending/migration-embedding.md",
        "guides/internals/verification.md",
        "guides/internals/architecture.md"
      ],
      groups_for_extras: [
        Overview: [
          "guides/overview.md",
          "guides/guarantees.md"
        ],
        Concepts: [
          "guides/concepts/ownership.md",
          "guides/concepts/leases.md",
          "guides/concepts/authority.md",
          "guides/concepts/instances.md"
        ],
        "Using Fief.Key": [
          "guides/getting-started.md",
          "guides/key-lifecycle.md",
          "guides/fencing-modes.md",
          "guides/delivery-and-errors.md",
          "guides/configuration.md"
        ],
        "Using Fief.Cache": [
          "guides/cache.md"
        ],
        Protocols: [
          "guides/protocols/join-leave.md",
          "guides/protocols/transfer.md",
          "guides/protocols/failure.md",
          "guides/protocols/netsplit-matrix.md"
        ],
        Operations: [
          "guides/operations/postgres.md",
          "guides/operations/tuning.md",
          "guides/operations/runbook.md"
        ],
        "Extending Fief": [
          "guides/extending/authority-adapters.md",
          "guides/extending/vnode-impls.md",
          "guides/extending/migration-embedding.md"
        ],
        Internals: [
          "guides/internals/verification.md",
          "guides/internals/architecture.md"
        ]
      ],
      groups_for_modules: [
        "Core API": [
          Fief,
          Fief.Key,
          Fief.Cache,
          Fief.Hasher,
          Fief.Hasher.Default
        ],
        "Authority contracts": [
          Fief.StateStore,
          Fief.Leadership,
          Fief.Leadership.Store,
          Fief.Presence
        ],
        Adapters: [
          Fief.Authority.Postgres,
          Fief.Authority.Postgres.Migrations,
          Fief.Authority.Local,
          Fief.Leadership.FromStore
        ],
        "Vnode layer (experimental)": [
          Fief.Vnode,
          Fief.Cache.VnodeImpl
        ],
        "Transfer engine": [
          Fief.Transfer,
          Fief.Transfer.Donor,
          Fief.Transfer.Recipient,
          Fief.Transfer.Channel,
          Fief.Transfer.Channel.InBand
        ],
        Internal: [
          Fief.Node,
          Fief.Node.ConfigMismatchError,
          Fief.Node.JoinError,
          Fief.Router,
          Fief.Router.Cache,
          Fief.Planner,
          Fief.Planner.Supervisor,
          Fief.Planner.Elector,
          Fief.Vnode.Agent,
          Fief.Vnode.Manager,
          Fief.Vnode.Manager.Tracker,
          Fief.Key.Server,
          Fief.Key.VnodeImpl,
          Fief.Key.Limbo,
          Fief.Key.Limbo.Tracker,
          Fief.Wire,
          Fief.Instance,
          Fief.Supervisor
        ],
        Seams: [
          Fief.Seam,
          Fief.Seam.Real,
          Fief.Seam.Sim,
          Fief.Sim,
          Fief.Sim.ManualClock,
          Fief.Sim.Scheduler
        ]
      ]
    ]
  end
end