{ lib
, beamPackages
, fetchgit
, fetchFromGitea
, fetchFromGitHub
, fetchFromGitLab
, cmake
, file
, nixosTests
, ...
}:
beamPackages.mixRelease rec {
  pname = "akkoma";
  version = "3.15.1";

  src = fetchgit {
    url = "https://akkoma.dev/AkkomaGang/akkoma.git";
    rev = "refs/tags/v3.15.1";
    hash = "sha256-6qsqTguEVu9t6dW8c+VAE5Z7D3FbQ0S2ZfAN5qy7Xak=";
  };

  postPatch = ''
    # Remove dependency on OS_Mon
    sed -E -i 's/(^|\s):os_mon,//' \
      mix.exs
  '';

  postBuild = ''
    # Digest and compress static files
    rm -f priv/static/READ_THIS_BEFORE_TOUCHING_FILES_HERE
    mix phx.digest --no-compile
  '';

  mixNixDeps = import ./mix.nix {
    inherit beamPackages lib;
    overrides = final: prev:
      let
        mimeTypePatchPhase = ''
          mkdir -p config
          cat >> config/config.exs <<EOF
          Mix.Config.config :mime, :types, %{
            "application/xml" => ["xml"],
            "application/xrd+xml" => ["xrd+xml"],
            "application/jrd+json" => ["jrd+json"],
            "application/activity+json" => ["activity+json"],
            "application/ld+json" => ["activity+json"]
          }
          Mix.Config.config :mime, :extensions, %{
            "activity+json" => "text/plain",
            "jrd+json" => "text/plain",
            "xrd+xml" => "text/plain"
          }
          EOF
        '';
        # Akkoma adds some things to the `mime` package's configuration, which requires it to be recompiled.
        # However, we can't just recompile things like we would on other systems.
        # Therefore, we need to add it to mime's compile-time config too, and also in every package that depends on mime, directly or indirectly.
        # We take the lazy way out and just add it to every dependency - it won't make a difference in packages that don't depend on `mime`.
        addMimeTypes = _: p: p.override {
          patchPhase = mimeTypePatchPhase;
        };
      in
      (lib.attrsets.mapAttrs addMimeTypes prev) // {
        # mix2nix does not support git dependencies yet,
        # so we need to add them manually
        captcha = beamPackages.buildMix rec {
          name = "captcha";
          version = "0.1.0";

          src = fetchFromGitLab {
            domain = "git.pleroma.social";
            group = "pleroma";
            owner = "elixir-libraries";
            repo = "elixir-captcha";
            rev = "6630c42aaaab124e697b4e513190c89d8b64e410";
            hash = "sha256-KLsKBfCt6bUylSTTqRQi6ic0MyimanvIZRhU4Iv5Fmw=";
          };

          # the binary is not getting installed by default
          postInstall = "mv priv/* $out/lib/erlang/lib/${name}-${version}/priv/";
        };
        concurrent_limiter = beamPackages.buildMix rec {
          name = "concurrent_limiter";
          version = "0.1.1";

          src = fetchFromGitea {
            domain = "akkoma.dev";
            owner = "AkkomaGang";
            repo = "concurrent-limiter";
            rev = "a9e0b3d64574bdba761f429bb4fba0cf687b3338";
            hash = "sha256-A7ucZnXks4K+JDVY5vV2cT5KfEOUOo/OHO4rga5mGys=";
          };
        };
        elasticsearch = beamPackages.buildMix rec {
          name = "elasticsearch";
          version = "1.0.1";

          src = fetchFromGitea {
            domain = "akkoma.dev";
            owner = "AkkomaGang";
            repo = "elasticsearch-elixir";
            rev = "6cd946f75f6ab9042521a009d1d32d29a90113ca";
            hash = "sha256-CtmQHVl+VTpemne+nxbkYGcErrgCo+t3ZBPbkFSpyF0=";
          };
        };
        mfm_parser = beamPackages.buildMix rec {
          name = "mfm_parser";
          version = "0.2.0";

          src = fetchgit {
            url = "https://akkoma.dev/AkkomaGang/mfm-parser.git";
            rev = "360a30267a847810a63ab48f606ba227b2ca05f0";
            hash = "sha256-VJn9/i3peMhA+F/LyuPa3biZx0LXBPH+GbDsOWIxYE0=";
          };

          beamDeps = with final; [ phoenix_view temple ];
          patchPhase = mimeTypePatchPhase;
        };
        search_parser = beamPackages.buildMix rec {
          name = "search_parser";
          version = "0.1.0";

          src = fetchFromGitHub {
            owner = "FloatingGhost";
            repo = "pleroma-contrib-search-parser";
            rev = "08971a81e68686f9ac465cfb6661d51c5e4e1e7f";
            hash = "sha256-sbo9Kcp2oT05o2GAF+IgziLPYmCkWgBfFMBCytmqg3Y=";
          };

          beamDeps = with final; [ nimble_parsec ];
        };
        temple = beamPackages.buildMix rec {
          name = "temple";
          version = "0.9.0-rc.0";

          src = fetchFromGitea {
            domain = "akkoma.dev";
            owner = "AkkomaGang";
            repo = "temple";
            rev = "066a699ade472d8fa42a9d730b29a61af9bc8b59";
            hash = "sha256-qA0z8WTMjO2OixcZBARn/LbuV3s3LGtwZ9nSjj/tWBc=";
          };

          mixEnv = "dev";
          beamDeps = with final; [ earmark_parser ex_doc makeup makeup_elixir makeup_erlang nimble_parsec ];
          patchPhase = mimeTypePatchPhase;
        };

        # Some additional build inputs and build fixes
        fast_html = prev.fast_html.override {
          nativeBuildInputs = [ cmake ];
          dontUseCmakeConfigure = true;
        };
        http_signatures = beamPackages.buildMix rec {
          name = "http_signatures";
          version = "0.1.3";

          src = fetchFromGitea {
            domain = "akkoma.dev";
            owner = "AkkomaGang";
            repo = "http_signatures";
            rev = "d44c43d66758c6a73eaa4da9cffdbee0c5da44ae";
            hash = "sha256-o5xF++AIJLVMFuQwldNyWpYJGWFHZZTfGy1V80TZzR8=";
          };

          beamDeps = with final; [ credo ex_doc dialyxir temple ];
          patchPhase = ''
            substituteInPlace mix.exs --replace ":logger" ":logger, :public_key"
            ${mimeTypePatchPhase}
          '';
        };
        majic = beamPackages.buildMix {
          name = "majic";
          version = "1.0.0";

          src = fetchFromGitea {
            domain = "akkoma.dev";
            owner = "AkkomaGang";
            repo = "majic";
            rev = "80540b36939ec83f48e76c61e5000e0fd67706f0";
            hash = "sha256-OMM9aDRvbqCOBIE+iPySU8ONRn1BqHDql22rRSmdW08=";
          };

          buildInputs = [ file ];
          beamDeps = with final; [ nimble_pool mime plug credo dialyxir ex_doc elixir_make ];
          patchPhase = mimeTypePatchPhase;
        };

        syslog = prev.syslog.override {
          buildPlugins = with beamPackages; [ pc ];
        };
      };
  };

  passthru = {
    tests = with nixosTests; { inherit akkoma akkoma-confined; };
    inherit mixNixDeps;

    # Used to make sure the service uses the same version of elixir as
    # the package
    elixirPackage = beamPackages.elixir;
  };

  meta = {
    description = "ActivityPub microblogging server";
    homepage = "https://akkoma.social";
    license = lib.licenses.agpl3Only;
    maintainers = with lib.maintainers; [ mvs ];
    platforms = lib.platforms.unix;
  };
}