#!/bin/sh
# script/fmt: format all files (writes).
set -eu

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

# Must match the pin in script/bootstrap.
NODE_VERSION="22.17.0"

# True when the node on PATH has the pinned major version: the same
# function as in script/bootstrap, which uses it to decide where it
# installs yarn.
node_is_pinned_major() {
    if ! command -v node >/dev/null 2>&1; then return 1; fi
    installed="$(node --version)"
    installed="${installed#v}"
    [ "${installed%%.*}" = "${NODE_VERSION%%.*}" ]
}

# Run the yarn script/bootstrap installed: the yarn on PATH when the
# node on PATH has the pinned major version, and otherwise yarn under
# the pinned node in nvm, which bootstrap leaves off the PATH of the
# shell that called it. nvm is a bash script, hence the subshell.
run_yarn() {
    if node_is_pinned_major; then
        exec yarn "$@"
    fi
    if [ ! -s "$HOME/.nvm/nvm.sh" ]; then
        echo "fmt: no yarn; run script/bootstrap first" >&2
        exit 1
    fi
    exec bash -c '. "$HOME/.nvm/nvm.sh" && nvm use "$1" >/dev/null &&
        shift && exec yarn "$@"' bash "$NODE_VERSION" "$@"
}

main() {
    cd "$ROOT"
    run_yarn run prettier --write '**/*.md' --tab-width 4 --prose-wrap always
}

main "$@"