#!/usr/bin/env bash

git_clone() {
    local repo=$1
    local dir=$2

    if [ ! -d "$dir" ]; then
        if [ "$3" = "--depth=1" ]; then
            git clone --depth=1 "$github/$repo" $dir
        elif [ "$3" = "--norecursive" ]; then
            git clone --single-branch "$github/$repo" $dir
        else
            git clone --single-branch --recursive "$github/$repo" $dir
        fi
    fi
}

# offline: 是否离线
# abroad: 是否海外

check_internet_access() {
    offline=0
    local response=$(curl -s -o /dev/null -w "%{http_code}" -m 3 "http://www.baidu.com")

    if [ "$response" -ne 200 ]; then
        offline=1
        echo "Internet: offline"
        return
    fi

    abroad=0
    local response=$(curl -s -o /dev/null -w "%{http_code}" -m 3 "http://www.google.com")

    if [ "$response" -eq 200 ]; then
        abroad=1
        echo "Internet: abroad"
        github="https://github.com"
    else
        abroad=0
        echo "Internet: internal"
        github="https://g.nano.ac/https://github.com"
    fi
}

confirm_action() {
    local prompt="$1"
    local default_response="$2"

    read -p "$prompt [$default_response]: " response

    if [[ -z "$response" ]]; then
        response="$default_response"
    fi

    [[ $response =~ ^[Yy]$ ]]
}

command_exists() {
    command -v "$@" >/dev/null 2>&1
}

pkg_install() {
    # 如果已经安装了，就直接返回（只检查第一个）
    command_exists "$1" && return
    if [ "$(uname)" = "Darwin" ]; then
        brew install "$@"
    else
        sudo apt-get install "$@" -y
    fi
}

read_password() {
    echo -n "Password: "
    password=""
    while IFS= read -r -s -n1 char; do
        if [[ $char == $'\0' ]]; then
            break
        elif [[ $char == $'\177' ]]; then
            if [ -n "$password" ]; then
                password=${password%?}
                echo -ne "\b \b"
            fi
        else
            password+="$char"
            echo -n "*"
        fi
    done
    echo
}

# ============================================================

check_internet_access