load("@bazel_skylib//:bzl_library.bzl", "bzl_library")
load("@io_bazel_stardoc//stardoc:stardoc.bzl", "stardoc")
load("//:page.bzl", "gen_header", "page")

package(default_visibility = ["//visibility:private"])

bzl_library(
    name = "docs_deps",
    srcs = [
        "@bazel_tools//tools:bzl_srcs",
        "@com_google_protobuf//:bzl_srcs",
        "@rules_nodejs//nodejs:bzl",
    ],
    deps = [
        "@bazel_skylib//lib:paths",
        "@bazel_skylib//lib:selects",
        "@bazel_skylib//rules:common_settings",
        "@rules_proto//proto:defs",
        "@rules_proto//proto:repositories",
    ],
)

bzl_library(
    name = "all_docs",
    deps = [
        ":docs_deps",
        "@rules_rust//:bzl_lib",
        "@rules_rust//bindgen:bzl_lib",
        "@rules_rust//cargo:bzl_lib",
        "@rules_rust//crate_universe:bzl_lib",
        "@rules_rust//proto:bzl_lib",
        "@rules_rust//rust:bzl_lib",
        "@rules_rust//wasm_bindgen:bzl_lib",
    ],
)

PAGES = dict([
    page(
        name = "cargo",
        symbols = [
            "cargo_bootstrap_repository",
            "cargo_build_script",
            "cargo_env",
        ],
    ),
    page(
        name = "defs",
        symbols = [
            "rust_binary",
            "rust_library",
            "rust_static_library",
            "rust_shared_library",
            "rust_proc_macro",
            "rust_test",
            "rust_test_suite",
            "error_format",
            "extra_rustc_flag",
            "extra_rustc_flags",
            "capture_clippy_output",
        ],
    ),
    page(
        name = "providers",
        symbols = [
            "CrateInfo",
            "DepInfo",
            "StdLibInfo",
        ],
    ),
    page(
        name = "rust_analyzer",
        header_template = ":rust_analyzer.vm",
        symbols = [
            "rust_analyzer_aspect",
            "rust_analyzer_toolchain",
        ],
    ),
    page(
        name = "rust_bindgen",
        header_template = ":rust_bindgen.vm",
        symbols = [
            "rust_bindgen_library",
            "rust_bindgen_dependencies",
            "rust_bindgen_register_toolchains",
            "rust_bindgen_toolchain",
            "rust_bindgen",
        ],
    ),
    page(
        name = "rust_clippy",
        header_template = ":rust_clippy.vm",
        symbols = [
            "rust_clippy",
            "rust_clippy_aspect",
        ],
    ),
    page(
        name = "rust_doc",
        symbols = [
            "rust_doc",
            "rust_doc_test",
        ],
    ),
    page(
        name = "rust_fmt",
        header_template = ":rust_fmt.vm",
        symbols = [
            "rustfmt_aspect",
            "rustfmt_test",
        ],
    ),
    page(
        name = "rust_proto",
        header_template = ":rust_proto.vm",
        symbols = [
            "rust_grpc_library",
            "rust_proto_library",
            "rust_proto_repositories",
            "rust_proto_transitive_repositories",
            "rust_proto_toolchain",
        ],
    ),
    page(
        name = "rust_repositories",
        symbols = [
            "rules_rust_dependencies",
            "rust_register_toolchains",
            "rust_repositories",
            "rust_repository_set",
            "rust_stdlib_filegroup",
            "rust_toolchain_repository_proxy",
            "rust_toolchain_repository",
            "rust_toolchain_tools_repository",
            "rust_toolchain",
        ],
    ),
    page(
        name = "rust_wasm_bindgen",
        header_template = ":rust_wasm_bindgen.vm",
        symbols = [
            "rust_wasm_bindgen_dependencies",
            "rust_wasm_bindgen_register_toolchains",
            "rust_wasm_bindgen_toolchain",
            "rust_wasm_bindgen",
        ],
    ),
    page(
        name = "settings",
        symbols = [
            "incompatible_flag",
            "fail_when_enabled",
        ],
    ),
])

# Generate headers for each page
[gen_header(page = p) for p in PAGES.values()]

[
    stardoc(
        name = "%s_md" % k,
        out = "%s.md" % k,
        header_template = ":%s_gen_header_vm" % k,
        input = ":symbols.bzl",
        symbol_names = PAGES[k].symbols,
        deps = [":all_docs"],
    )
    for k in PAGES.keys()
]

genrule(
    name = "flatten_header_vm",
    outs = ["flatten_header.vm"],
    cmd = ">$@ echo '# Rust rules\n\n%s\n'" % "\n".join(
        sorted(["* [{rule}](#{rule})".format(rule = v) for k in PAGES.keys() for v in PAGES[k].symbols]),
    ),
    output_to_bindir = True,
)

stardoc(
    name = "flatten_md",
    out = "flatten.md",
    header_template = ":flatten_header_vm",
    input = ":symbols.bzl",
    symbol_names = sorted([symbol for k in PAGES.keys() for symbol in PAGES[k].symbols]),
    deps = [":all_docs"],
)

stardoc(
    name = "crate_universe",
    out = "crate_universe.md",
    input = "@rules_rust//crate_universe:docs.bzl",
    deps = [":all_docs"],
)

sh_binary(
    name = "update_docs",
    srcs = ["update_docs.sh"],
)

sh_binary(
    name = "test_docs",
    srcs = ["test_docs.sh"],
)