#!/usr/bin/env bash
set -euo pipefail

source "$PWD/modules/home/bash/bash_funcs"

GREEN_CHECK="$(printf '\x1b[32m✓\x1b[m')"

ensure() {
    local name="$1"
    local cmd="$2"
    local script="$3"

    # Require curl for installation checks.
    if ! command -v curl &>/dev/null; then
        printf "curl is not installed. Please install curl first.\n"
        return
    fi

    if ! command -v "$cmd" &>/dev/null; then
        echo "Installing $name..."
        $script
    else
        printf "%s %s is installed.\n" "$GREEN_CHECK" "$name"
    fi
}

install_v() {
    local here="$PWD"
    local targetDir="$HOME/src/v"
    rm -rf "$targetDir"
    mkdir -p "$targetDir"
    git clone --depth=1 https://github.com/vlang/v "$targetDir"
    cd "$targetDir"
    make
    sudo ./v symlink
    cd "$here"
}

ensure "GHCup" "ghcup" "curl --proto '=https' --tlsv1.2 -sSf https://get-ghcup.haskell.org | sh"
ensure "Fourmolu" "fourmolu" "cabal install fourmolu -j$(num_cores)"
ensure "Floskell" "floskell" "cabal install floskell -j$(num_cores)"
ensure "V" "v" "install_v"

printf "\n"

if [[ "$(which_os)" == "darwin" ]]; then
    ensure "Nix" "nix" "sh <(curl --proto '=https' --tlsv1.2 -L https://nixos.org/nix/install)"
    ensure "Homebrew" "brew" "sh -c \"$(curl -fsSL https://raw.githubusercontent.com/Homebrew/install/HEAD/install.sh)\""
    brew bundle
fi