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{ fetchFromGitHub
, lib
, Security
, openssl
, git
, pkg-config
, protobuf
, rustPlatform
, stdenv
}:

# Updating this package will force an update for nodePackages.prisma. The
# version of prisma-engines and nodePackages.prisma must be the same for them to
# function correctly.
rustPlatform.buildRustPackage rec {
  pname = "prisma-engines";
  version = "4.8.0";

  src = fetchFromGitHub {
    owner = "prisma";
    repo = "prisma-engines";
    rev = version;
    sha256 = "sha256-+L8w7FG74V6z9IUfkQHo2B7/vjLhdVHeoVBttgqoUNc=";
  };

  # Use system openssl.
  OPENSSL_NO_VENDOR = 1;

  cargoSha256 = "sha256-CQFTO43/b0ymYtnAtvySrp8cOF7rRdzY8mvcYTiiUp0=";

  nativeBuildInputs = [ pkg-config git ];

  buildInputs = [
    openssl
    protobuf
  ] ++ lib.optionals stdenv.isDarwin [ Security ];

  preBuild = ''
    export OPENSSL_DIR=${lib.getDev openssl}
    export OPENSSL_LIB_DIR=${lib.getLib openssl}/lib

    export PROTOC=${protobuf}/bin/protoc
    export PROTOC_INCLUDE="${protobuf}/include";

    export SQLITE_MAX_VARIABLE_NUMBER=250000
    export SQLITE_MAX_EXPR_DEPTH=10000
  '';

  cargoBuildFlags = [
    "-p" "query-engine"
    "-p" "query-engine-node-api"
    "-p" "migration-engine-cli"
    "-p" "introspection-core"
    "-p" "prisma-fmt"
  ];

  postInstall = ''
    mv $out/lib/libquery_engine${stdenv.hostPlatform.extensions.sharedLibrary} $out/lib/libquery_engine.node
  '';

  # Tests are long to compile
  doCheck = false;

  meta = with lib; {
    description = "A collection of engines that power the core stack for Prisma";
    homepage = "https://www.prisma.io/";
    license = licenses.asl20;
    platforms = platforms.unix;
    maintainers = with maintainers; [ pamplemousse pimeys tomhoule ];
  };
}

### Troubleshooting
# Here's an example application using Prisma with Nix: https://github.com/pimeys/nix-prisma-example
# At example's `flake.nix` shellHook, notice the requirement of defining environment variables for prisma, it's values will show on `prisma --version`.
# Read the example's README: https://github.com/pimeys/nix-prisma-example/blob/main/README.md
# Prisma requires 2 packages, `prisma-engines` and `nodePackages.prisma`, to be at *exact* same versions.
# Certify at `package.json` that dependencies "@prisma/client" and "prisma" are equal, meaning no caret (`^`) in version.
# Configure NPM to use exact version: `npm config set save-exact=true`
# Delete `package-lock.json`, delete `node_modules` directory and run `npm install`.
# Run prisma client from `node_modules/.bin/prisma`.
# Run `./node_modules/.bin/prisma --version` and check if both prisma packages versions are equal, current platform is `linux-nixos`, and other keys equal to the prisma environment variables you defined for prisma.
# Test prisma with `generate`, `db push`, etc. It should work. If not, open an issue.