syntax = "proto3";
option java_package = "com.android.tools.build.libraries.metadata";
option java_multiple_files = true;

message AppDependencies {
    // List of all the dependencies, direct and indirect.
    repeated Library library = 1;

    // Dependencies of the libraries from the list above.
    repeated LibraryDependencies library_dependencies = 2;

    // List of direct dependencies per bundle module.
    repeated ModuleDependencies module_dependencies = 3;
}

// List of dependencies of a given library.
message LibraryDependencies {
    // Indices correspond to the pool of libraries defined in AppDependencies.
    int32 library_index = 1;
    repeated int32 library_dep_index = 2;
}


message ModuleDependencies {
    string module_name = 1;
    // Direct module dependencies.
    // Index is from the pool of libraries defined in AppDependencies.
    repeated int32 dependency_index = 2;
}

message Library {
    // Oneof allows for support of other library identification systems in the future.
    oneof library_oneof {
        MavenLibrary maven_library = 1;
    }

    // This message contains various digests of the library contents.
    message Digests {
        // SHA256 hash value of the file contents.
        bytes sha256 = 1;
    }

    Digests digests = 2;
}

message MavenLibrary {
    string groupId = 1;
    string artifactId = 2;
    string packaging = 3;
    string classifier = 4;
    string version = 5;
}