#!/usr/bin/env bash

scriptdir=$(dirname $(realpath $0))
tempdir=$(mktemp -d)

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

. $scriptdir/utils.sh

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

configure_ssh() {
    [ -f ~/.ssh/authorized_keys ] && return

    if confirm_action "要配置 authorized_keys 吗？" "N"; then
        mkdir -p ~/.ssh
        cp $scriptdir/files/authorized_keys ~/.ssh/authorized_keys
    fi
}

configure_ssh_keygen() {
    [ -f ~/.ssh/id_ed25519.pub ] && return
    [ -f ~/.ssh/id_rsa.pub ] && return

    if confirm_action "要生成 sshkey 吗？" "N"; then
        mkdir -p ~/.ssh
        read -p "sshkey 的名字: " sshkeyname
        ssh-keygen -t ed25519 -C $sshkeyname
    fi
}

configure_git() {
    [ -f ~/.gitconfig ] && return

    if confirm_action "要配置 git 吗？" "Y"; then
        cp $scriptdir/files/.gitconfig ~/.gitconfig
    fi
}

configure_gpg() {
    [ -d ~/.gnupg ] && [ -f ~/.gnupg/gpg.conf ] && return

    if confirm_action "要配置 gpg 吗？" "Y"; then
        mkdir -p ~/.gnupg
        chmod 700 ~/.gnupg
        cp $scriptdir/files/gpg.conf ~/.gnupg/gpg.conf
    fi
}

configure_git_gpg() {
    [ ! -f ~/.gitconfig ] && return
    ! command_exists git && return
    [ -n "$(git config --global user.signingkey)" ] && return

    if confirm_action "要配置 git 使用 gpg 签名吗？" "N"; then
        if ! command_exists 7za; then
            echo "7zip 未安装，请运行 sudo apt install p7zip-full 安装"
            return
        fi
        read_password
        cp $scriptdir/files/git.key.zip $tempdir/git.key.zip
        7za x -p$password $tempdir/git.key.zip -o$tempdir > /dev/null 2>&1
        rm $tempdir/git.key.zip
        if [ ! -s $tempdir/git.key ]; then
            echo "Wrong password!"
            return
        fi
        gpg --import $tempdir/git.key
        rm $tempdir/git.key
        git config --global user.signingkey 4ACB54FB3EFF978038BFB374A523E440E24B89CF
        git config --global commit.gpgSign true
    fi
}

configure_miniconda() {
    [ -d ~/.miniconda3 ] && return
    [ $offline -eq 1 ] && return
    [[ $(uname -m) == "aarch64" ]] && return

    if confirm_action "要安装 miniconda 吗？" "N"; then
        wget "https://repo.anaconda.com/miniconda/Miniconda3-latest-Linux-$(uname -m).sh" -O $tempdir/miniconda.sh
        bash $tempdir/miniconda.sh -b -p ~/.miniconda3
        rm $tempdir/miniconda.sh
        ~/.miniconda3/bin/conda init zsh
        ~/.miniconda3/bin/conda config --set changeps1 False
        ~/.miniconda3/bin/conda install -c conda-forge mamba
        ~/.miniconda3/bin/mamba init
    fi
}

configure_miniforge() {
    [ -d ~/.miniforge3 ] && return
    [ $offline -eq 1 ] && return
    [[ $(uname -m) != "aarch64" ]] && return

    if confirm_action "要安装 miniforge 吗？" "N"; then
        wget "$github/conda-forge/miniforge/releases/latest/download/Miniforge3-Linux-$(uname -m).sh" -O $tempdir/miniforge.sh
        bash $tempdir/miniforge.sh -b -p ~/.miniforge3
        rm $tempdir/miniforge.sh
        ~/.miniforge3/bin/conda config --set changeps1 False
        ~/.miniforge3/bin/mamba init zsh
    fi
}

configure_nvm() {
    [ -d ~/.nvm/.git ] && return
    [ $offline -eq 1 ] && return

    if confirm_action "要安装 nvm / nodejs 吗？" "N"; then
        git_clone nvm-sh/nvm ~/.nvm --depth=1
        \. $scriptdir/files/install-nvm.sh
        \. ~/.nvm/nvm.sh
        \. ~/.nvm/bash_completion
        nvm install lts/iron
        nvm alias default lts/iron
        nvm install-latest-npm
        if [ $abroad -ne 1 ]; then
            echo "registry=https://registry.npmmirror.com" >~/.npmrc
        fi
    fi
}

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

if [ $# -ne 0 ]; then
    for func in $@; do
        declare -F configure_$func >/dev/null || continue
        echo "Configuring $func..."
        eval "configure_$func"
        unset -f configure_$func
    done
    return
fi

configure_ssh
configure_ssh_keygen
configure_git
configure_gpg
configure_git_gpg
configure_miniconda
configure_miniforge
configure_nvm