#!/bin/bash
: '
 @vendor    Chorke Academia, Inc.
 @web       https://cdn.chorke.org/docs/academia
 @version   1.0.00
 @since     1.0.00
'

:<<EOF
if [[ -x "$(command -v curl)" ]];then \
sudo apt -qq update;\
sudo apt install --yes powerline vim git jq;\
sudo apt install --yes build-essential libssl-dev libffi-dev libgmp3-dev libpq-dev;\
sudo apt install --yes python3 python-is-python3 python3-dev python3-pip python3-venv;\
bash <(curl -s 'https://cdn.chorke.org/exec/cli/bash/install/profile/vim/8.2-debian.sh.txt');\
else printf 'curl \033[0;31mnot found! \033[0m:(\n';fi
EOF

function validate(){
    PYTHON3_INSTALL_STATUS="$(dpkg-query -W --showformat='${db:Status-Status}' 'python3' 2>&1)"
    if [[ "${?}" != '0' ]]||[[ "${PYTHON3_INSTALL_STATUS}" != 'installed' ]];then
        printf 'sudo apt install --yes \033[0;31mpython3 \033[0m\n';exit 1
    fi

    VIM_INSTALL_STATUS="$(dpkg-query -W --showformat='${db:Status-Status}' 'vim' 2>&1)"
    if [[ "${?}" != '0' ]]||[[ "${VIM_INSTALL_STATUS}" != 'installed' ]];then
        printf 'sudo apt install --yes \033[0;31mvim \033[0m\n';exit 1
    fi

    # check existence of vim
    if [[ ! -x "$(command -v vim)" ]];then
        printf 'vim \033[0;31mnot found! \033[0m:(\n';exit 1
    fi
}

# function download(){
# 
# }

function approve(){
    if  [[ -e "${VIMRC_FILE}" ]];then
        printf '~/.vimrc \033[0;32mexists! \033[0m;)\n'
    fi

    if  [[ ! -d "${VIM_POWERLINE_BINDINGS}" ]];then
        printf '~/.../bindings/vim \033[0;31mnot found! \033[0m:(\n';exit 1
    fi
}

function setting(){
    VIMRC_PATTERN=$(cat <<'EOF'
set rtp+=${HOME}/.venv/powerline/lib/%s/site-packages/powerline/bindings/vim/

set laststatus=2
EOF
)
    if [[ ! -e "${VIMRC_FILE}" ]]||[[ "$(grep -c 'set rtp+=${HOME}/.venv/powerline/lib/' ${VIMRC_FILE})" == 0 ]];then
        # format vim config to avoid variable interpolation
        printf -v VIMRC_CONTENT "${VIMRC_PATTERN}" "python${PYTHON3_VERSION}"
        echo   "${VIMRC_CONTENT}" >> "${VIMRC_FILE}"
    else
        printf 'already configured \033[0;32m~/.vimrc\033[0m ;)\n\n'
    fi
}

# function install(){
#
# }

# function launch(){
#
# }

function conf_init(){
    validate
#   download
    approve
    setting
#   install
#   launch
}

function void_init(){
    if [[ "${VIMRC_FILE}/var/set" == '/var/set' ]];then
        VIMRC_FILE="${HOME}/.vimrc"
    fi

    # resolve python3 version(major.minor) if not setted up
    if [[ "${PYTHON3_VERSION}/var/set" == '/var/set' ]];then
        PYTHON3_VERSION="$(python3 -V|perl -pe '($_)=/([0-9]+[.][0-9]+)/')"
    fi

    if [[ "${VIM_POWERLINE_BINDINGS}/var/set" == '/var/set' ]];then
        VIM_POWERLINE_BINDINGS="${HOME}/.venv/powerline/lib/python${PYTHON3_VERSION}/site-packages/powerline/bindings/vim/"
    fi
}

function post_init(){
#   sudo apt install --yes powerline git jq;\
#   sudo apt install --yes build-essential libssl-dev libffi-dev libgmp3-dev libpq-dev;\
#   sudo apt install --yes python3 python-is-python3 python3-dev python3-pip python3-venv;\
    bash <(curl -s 'https://cdn.chorke.org/exec/cli/bash/install/profile/powerline/2.8.2-debian.sh.txt');\
}

function init(){
    post_init
    void_init
    conf_init
}

init