load("@io_bazel_skydoc//skylark:skylark.bzl", "skylark_doc")

genrule(
    name = "guide_html",
    srcs = ["conf.py"] + glob(["*.rst"]),
    outs = ["guide_html.zip"],
    cmd = """
    set -euo pipefail
    # Nixpkgs_rules are pointing to every bins individually. Here
    # we are extracting the /bin dir path to append it to the $$PATH.
    CWD=`pwd`
    sphinxBinDir=$${CWD}/$$(echo $(locations @sphinx//:bin) | cut -d ' ' -f 1 | xargs dirname)
    dotBinDir=$${CWD}/$$(echo $(locations @graphviz//:bin) | cut -d ' ' -f 1 | xargs dirname)
    zipBinDir=$${CWD}/$$(echo $(locations @zip//:bin) | cut -d ' ' -f 1 | xargs dirname)
    PATH=$${PATH}:$${sphinxBinDir}:$${dotBinDir}:$${zipBinDir}
    sourcedir=$$(dirname $(location conf.py))
    builddir=$$(mktemp -d rules_haskell_docs.XXXX)
    sphinx-build -M html $$sourcedir $$builddir -W -N -q
    (cd $$builddir/html && zip -q -r $$CWD/$@ .)
    rm -rf $$builddir
    """,
    tools = [
        "@graphviz//:bin",
        "@sphinx//:bin",
        "@zip//:bin",
    ],
)

skylark_doc(
    name = "api_html",
    srcs = [

        # The order of these files defines the order in which the corresponding
        # sections are presented in the docs.
        "//haskell:haskell.bzl",
        "//haskell:haddock.bzl",
        "//haskell:lint.bzl",
        "//haskell:toolchain.bzl",
        "//haskell:protobuf.bzl",
        "//haskell:cc.bzl",
        "//haskell:repositories.bzl",
        "//haskell:ghc_bindist.bzl",
        "//haskell:nixpkgs.bzl",
    ],
    format = "html",
)