#!/bin/sh
# script/fmt-check: check formatting across the whole repo (read-only).
# Same scope as script/fmt, but fails instead of writing.
# The org model checks only markdown; this repo also has JS and Go.
set -eu

ROOT="$(cd "$(dirname "$0")/.." && pwd -P)"

# Must match the pins in script/bootstrap.
NODE_VERSION="22.17.0"
NODE_MIN_VERSION="22.13.0"

# node_ok: the node on PATH has the major version of NODE_VERSION and is
# at least NODE_MIN_VERSION. Only the major is compared with the pin:
# the Dockerfile's node stages start from a node 22 alpine image whose
# exact version is not the pin, and nvm cannot install a prebuilt node
# on alpine. node itself compares the versions: major, then minor, then
# patch. A node that fails does not pass. script/bootstrap, script/fmt
# and script/fmt-check carry this function unchanged.
node_ok() {
    if ! command -v node >/dev/null 2>&1; then return 1; fi
    node -e '
        const have = process.versions.node.split(".").map(Number);
        const want = process.argv[1].split(".").map(Number);
        const pinned = process.argv[2].split(".").map(Number);
        if (have[0] !== pinned[0]) process.exit(1);
        for (let i = 0; i < 3; i++) {
            if (have[i] !== want[i]) process.exit(have[i] > want[i] ? 0 : 1);
        }
    ' "$NODE_MIN_VERSION" "$NODE_VERSION"
}

main() {
    cd "$ROOT"
    # script/bootstrap links the node, yarn and gofmt it installs into
    # ~/.local/bin, which the shell that called it may not have on PATH.
    PATH="$HOME/.local/bin:$PATH"
    # prettier runs under a node script/bootstrap would use: the node on
    # PATH when it passes node_ok, and otherwise the pinned node in nvm.
    # nvm is a bash script, hence the bash.
    if node_ok; then
        "$ROOT/script/frontend-fmt-check"
    elif [ -s "$HOME/.nvm/nvm.sh" ]; then
        bash -c '. "$HOME/.nvm/nvm.sh" && nvm use "$1" >/dev/null && "$2"' \
            bash "$NODE_VERSION" "$ROOT/script/frontend-fmt-check"
    else
        echo "fmt-check: no node script/bootstrap would use; run it first" >&2
        exit 1
    fi
    unformatted="$(gofmt -l cmd internal)"
    if [ -n "$unformatted" ]; then
        echo "Go files not formatted:" >&2
        echo "$unformatted" >&2
        exit 1
    fi
}

main "$@"