#!/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 xclip tmux 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/tmux/3.2a-debian.sh.txt');\
else printf 'curl \033[0;31mnot found! \033[0m:(\n';fi
EOF

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

    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

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

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

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

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

function download(){
    mkdir -p ${HOME}/.tmux/plugins
    if  [[ ! -x "${TMUX_PLUGINS_TPM_HOME}/tpm" ]];then
        git clone https://github.com/tmux-plugins/tpm ${TMUX_PLUGINS_TPM_HOME}
    fi
    if  [[ ! -d "${HOME}/.tmux/plugins/tmux-yank" ]];then
        git clone https://github.com/tmux-plugins/tmux-yank ${HOME}/.tmux/plugins/tmux-yank
    fi
    if  [[ ! -d "${HOME}/.tmux/plugins/tmux-battery" ]];then
        git clone https://github.com/tmux-plugins/tmux-battery ${HOME}/.tmux/plugins/tmux-battery
    fi
    if  [[ ! -d "${HOME}/.tmux/plugins/tmux-sensible" ]];then
        git clone https://github.com/tmux-plugins/tmux-sensible ${HOME}/.tmux/plugins/tmux-sensible
    fi
    if  [[ ! -d "${HOME}/.tmux/plugins/tmux-resurrect" ]];then
        git clone https://github.com/tmux-plugins/tmux-resurrect ${HOME}/.tmux/plugins/tmux-resurrect
    fi
    if  [[ ! -d "${HOME}/.tmux/plugins/tmux-continuum" ]];then
        git clone https://github.com/tmux-plugins/tmux-continuum ${HOME}/.tmux/plugins/tmux-continuum
    fi
    if  [[ ! -d "${HOME}/.tmux/plugins/tmux-prefix-highlight" ]];then
        git clone https://github.com/tmux-plugins/tmux-prefix-highlight ${HOME}/.tmux/plugins/tmux-prefix-highlight
    fi
}

function approve(){
    if  [[ ! -x "${TMUX_PLUGINS_TPM_HOME}/tpm" ]];then
        printf '~/.../tpm \033[0;31mnot found! \033[0m:(\n';exit 1
    fi

    if  [[ -e "${TMUX_CONFIG_FILE}" ]];then
        printf '~/.tmux.conf \033[0;31mexists! \033[0m;)\n';exit 1
    fi

    if  [[ ! -e "${TMUX_POWERLINE_CONFIG_FILE}" ]];then
        printf '~/.../tmux/powerline.conf \033[0;31mnot found! \033[0m:(\n';exit 1
    fi
}

function setting(){
    TMUX_CONFIG_PATTERN=$(cat <<'EOF'
set -g base-index 1
# remap prefix from 'c-b' to 'c-a'
unbind C-b
set-option -g prefix C-a
bind-key C-a send-prefix

# improve colors (fix vim issues)
set -g default-terminal "xterm-256color"
set -ga terminal-overrides ",*256col*:Tc"

# scrollback limit
set -g history-limit 10000

# window/pane split
bind | split-window -h
bind - split-window -v
unbind '"'
unbind %%

# window (buffer?) movement (similar to vim)
bind -r C-h select-window -t :-
bind -r C-l select-window -t :+

# vim movement between panes
bind h select-pane -L
bind j select-pane -D
bind k select-pane -U
bind l select-pane -R

# resize panes similar to vim
bind -r L resize-pane -R 8
bind -r H resize-pane -L 8
bind -r K resize-pane -U 20
bind -r J resize-pane -D 20

# use vim keybindings in copy mode
setw -g mode-keys vi
bind-key -T copy-mode-vi 'v' send-keys -X begin-selection
bind-key -T copy-mode-vi 'y' send-keys -X copy-selection-and-cancel

# reload config
bind r source-file ~/.tmux.conf \; display-message "~/.tmux.conf reloaded!"

# activity
setw -g monitor-activity on
set -g visual-activity on

# automatic window rename off
setw -g automatic-rename off

# customize status line
# set -g status-bg colour15
# set -g status-right '#{prefix_highlight} |%%Y-%%m-%%d %%H:%%M|#{battery_status_bg}#{battery_percentage}%%'
# set -g @prefix_highlight_show_copy_mode 'on'
# set -g @prefix_highlight_copy_mode_attr 'fg=white,bg=blue,bold'

# escape time (to fix neovim issues)
set -sg escape-time 0

# mouse mode
set -g mouse on

# restore from savepoint
set -g @continuum-boot 'off'
set -g @continuum-restore 'on'
set -g @resurrect-strategy-vim 'session'
set -g @resurrect-capture-pane-contents 'on'

# List of plugins
set -g @plugin 'tmux-plugins/tpm'
set -g @plugin 'tmux-plugins/tmux-yank'
set -g @plugin 'tmux-plugins/tmux-battery'
set -g @plugin 'tmux-plugins/tmux-sensible'
set -g @plugin 'tmux-plugins/tmux-resurrect'
set -g @plugin 'tmux-plugins/tmux-continuum'
set -g @plugin 'tmux-plugins/tmux-prefix-highlight'

source "${HOME}/.venv/powerline/lib/%s/site-packages/powerline/bindings/tmux/powerline.conf"

# initialize tmux plugin manager
run -b '~/.tmux/plugins/tpm/tpm'

EOF
)
    if  [[ ! -e "${TMUX_CONFIG_FILE}" ]];then
        # format tmux config to avoid variable interpolation
        printf -v TMUX_CONFIG_CONTENT "${TMUX_CONFIG_PATTERN}" "python${PYTHON3_VERSION}"
        echo   "${TMUX_CONFIG_CONTENT}" > "${TMUX_CONFIG_FILE}"
    else
        printf 'already configured "\033[0;32mTMUX_CONFIG_FILE\033[0m" :)\n\n'
    fi
}

# function install(){
#
# }

# function launch(){
#
# }

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

function void_init(){
    # 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 [[ "${TMUX_CONFIG_FILE}/var/set" == '/var/set' ]];then
        TMUX_CONFIG_FILE="${HOME}/.tmux.conf"
    fi

    if [[ "${TMUX_PLUGINS_TPM_HOME}/var/set" == '/var/set' ]];then
        TMUX_PLUGINS_TPM_HOME="${HOME}/.tmux/plugins/tpm"
    fi

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