#!/bin/bash

set -o pipefail
M4_DEF_FILE="system.m4"

HOME_DIRECTORY=$(dialog \
	  --backtitle "Dotfile configuration" \
	  --title "Configure" \
	  --inputbox "Home directory" \
      0 0 "${HOME}" \
3>&1 1>&2 2>&3 3>&-)

DEFAULT_SHELL=$(dialog \
	  --backtitle "Dotfile configuration" \
	  --title "Configure" \
	  --inputbox "Default shell" \
      0 0 "/usr/bin/zsh" \
3>&1 1>&2 2>&3 3>&-)

DEFAULT_EDITOR=$(dialog \
	  --backtitle "Dotfile configuration" \
	  --title "Configure" \
	  --inputbox "Default editor" \
      0 0 "nvim" \
3>&1 1>&2 2>&3 3>&-)

SYSID=$(dialog \
	  --backtitle "Dotfile configuration" \
	  --title "Configure" \
      --inputbox "System id (magical number)" \
      0 0 "1" \
3>&1 1>&2 2>&3 3>&-)

SYSTEM_TYPE=$(dialog \
	  --backtitle "Dotfile configuration" \
	  --title "Configure" \
	  --radiolist "System type" \
      0 0 0 \
      0 "Local" on \
      1 "Remote" off \
3>&1 1>&2 2>&3 3>&-)

DISTRO=$(dialog \
	  --backtitle "Dotfile configuration" \
	  --title "Configure" \
	  --radiolist "Distro" \
      0 0 0 \
      0 "Debian" on \
      1 "Fedora" off \
3>&1 1>&2 2>&3 3>&-)

GIT_VALUES=$(dialog \
	  --backtitle "Dotfile configuration" \
	  --title "Configure" \
	  --form "Git settings" \
0 50 0 \
	"Username:" 1 1	"$GIT_USER" 	1 10 255 0 \
	"Email:"    2 1	"$GIT_EMAIL"  	2 10 255 0 \
3>&1 1>&2 2>&3 3>&-)
GIT_VALUES=($GIT_VALUES)

FEATURES="$(dialog --stdout \
    --backtitle "Dotfile configuration" \
    --title "Configure" \
    --checklist "Change dotfile features:" 0 0 10 \
    1 "General tools (highligt, mediainfo, git, ripgrep...)" on \
    2 "Other dotfile symlinks (Not for specific features below)" on \
    3 "neovim" on \
    4 "ZSH and Oh-My-Zsh" off \
    5 "tlp" off \
    6 "autorandr" off \
    7 "greetd and tuigreet" off \
    8 "Powerline and P10K" off \
    9 "Sway" off \
    10 "QTile" off)"


# Write all to file
echo "m4_define(\`DOTFILES_DIR', \`$(pwd)')m4_dnl" > ${M4_DEF_FILE}
echo "m4_define(\`HOME_DIRECTORY', \`${HOME_DIRECTORY}')m4_dnl" >> ${M4_DEF_FILE}
echo "m4_define(\`DEFAULT_SHELL', \`${DEFAULT_SHELL}')m4_dnl" >> ${M4_DEF_FILE}
echo "m4_define(\`DEFAULT_EDITOR', \`${DEFAULT_EDITOR}')m4_dnl" >> ${M4_DEF_FILE}
echo "m4_define(\`SYSID', \`${SYSID}')m4_dnl" >> ${M4_DEF_FILE}

case $SYSTEM_TYPE in
  0)
    echo "m4_define(\`DOTFILES_TYPE', \`local')m4_dnl" >> ${M4_DEF_FILE}
  ;;
  1)
    echo "m4_define(\`DOTFILES_TYPE', \`remote')m4_dnl" >> ${M4_DEF_FILE}
  ;;
esac

case $DISTRO in
  0)
    echo "m4_define(\`DISTRO', \`debian')m4_dnl" >> ${M4_DEF_FILE}
  ;;
  1)
    echo "m4_define(\`DISTRO', \`fedora')m4_dnl" >> ${M4_DEF_FILE}
  ;;
esac

echo "m4_define(\`GIT_USER', \`${GIT_VALUES[0]}')m4_dnl" >> ${M4_DEF_FILE}
echo "m4_define(\`GIT_EMAIL', \`${GIT_VALUES[1]}')m4_dnl" >> ${M4_DEF_FILE}

for choice in ${FEATURES}; do
    case $choice in
      1)
        echo "m4_define(\`INSTALL_TOOLS', \`1')m4_dnl" >> ${M4_DEF_FILE}
      ;;
      2)
        echo "m4_define(\`INSTALL_OTHER_SYMLINKS', \`1')m4_dnl" >> ${M4_DEF_FILE}
      ;;
      3)
        echo "m4_define(\`INSTALL_NEOVIM', \`1')m4_dnl" >> ${M4_DEF_FILE}
      ;;
      4)
        echo "m4_define(\`INSTALL_OH_MY_ZSH', \`1')m4_dnl" >> ${M4_DEF_FILE}
      ;;
      5)
        echo "m4_define(\`INSTALL_TLP', \`1')m4_dnl" >> ${M4_DEF_FILE}
      ;;
      6)
        echo "m4_define(\`INSTALL_AUTORANDR', \`1')m4_dnl" >> ${M4_DEF_FILE}
      ;;
      7)
        echo "m4_define(\`INSTALL_GREETD_TUIGREET', \`1')m4_dnl" >> ${M4_DEF_FILE}
      ;;
      8)
        echo "m4_define(\`INSTALL_POWERLINE_P10K', \`1')m4_dnl" >> ${M4_DEF_FILE}
      ;;
      9)
        echo "m4_define(\`INSTALL_SWAY', \`1')m4_dnl" >> ${M4_DEF_FILE}
      ;;
      10)
        echo "m4_define(\`INSTALL_QTILE', \`1')m4_dnl" >> ${M4_DEF_FILE}
      ;;
    esac
done

m4 -P Makefile.m4 > Makefile