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"""Repository rule for Qt for macOS."""

def _qt_mac_repository_impl(repo_ctx):
    is_mac = repo_ctx.os.name.lower().startswith("mac")
    if not is_mac:
        repo_ctx.file("BUILD.bazel", "")
        return

    qt_path = repo_ctx.path(repo_ctx.os.environ.get("MOZC_QT_PATH", repo_ctx.attr.default_path))
    repo_ctx.symlink(qt_path.get_child("lib"), "lib")
    repo_ctx.symlink(qt_path.get_child("libexec"), "libexec")
    repo_ctx.symlink(qt_path.get_child("plugins"), "plugins")
    repo_ctx.template("BUILD.bazel", repo_ctx.path(Label("@//bazel:BUILD.qt.bazel")))

qt_mac_repository = repository_rule(
    implementation = _qt_mac_repository_impl,
    configure = True,
    local = True,
    environ = ["MOZC_QT_PATH"],
    attrs = {
        "default_path": attr.string(),
    },
)
