mmdv

#!/bin/bash

 active_shell=$(ps -o command | grep -v -e "\<ps\>" -e grep -e tail | tail -3)
 if [[ $active_shell == *"fish"* ]]; then
    active_shell="fish"
 else
    active_shell="bash"
 fi

 if [[ $active_shell == "fish" ]]; then
    HISTFILE=~/.local/share/fish/fish_history
 else
    HISTFILE=~/.bash_history
 fi

 HISTCONTROL=ignoreboth:erasedups
 set -o history
 
 BASE_URL=https://mem.dev/
 
 if [[ -f /tmp/memdev.txt ]]; then
   read MEMDEV_TOKEN < /tmp/memdev.txt
 fi
 
 IFS=$'\n'
  
 RED="\033[0;31m"
 NC="\033[0m"
 BLUE="\033[0;34m"
 GREEN="\033[0;32m"
 retry="y"

 function select_option {
 
     ESC=$( printf "\033")
     cursor_blink_on()  { printf "$ESC[?25h"; }
     cursor_blink_off() { printf "$ESC[?25l"; }
     cursor_to()        { printf "$ESC[$1;${2:-1}H"; }
     print_option()     { printf "   $1 "; }
     print_selected()   { printf "  $ESC[7m $1 $ESC[27m"; }
     get_cursor_row()   { IFS=';' read -sdR -p $'\E[6n' ROW COL; echo ${ROW#*[}; }
     key_input()        { read -s -n3 key 2>/dev/null >&2
                         if [[ $key = $ESC[A ]]; then echo up;    fi
                         if [[ $key = $ESC[B ]]; then echo down;  fi
                         if [[ $key = ""     ]]; then echo enter; fi; }
 
     # initially print empty new lines (scroll down if at bottom of screen)
     for opt; do printf "\n"; done
 
     # determine current screen position for overwriting the options
     local lastrow=`get_cursor_row`
     local startrow=$(($lastrow - $#))
 
     # ensure cursor and input echoing back on upon a ctrl+c during read -s
     trap "cursor_blink_on; stty echo; printf '\n'; exit" 2
     cursor_blink_off
 
     local selected=0
     while true; do
         # print options by overwriting the last lines
         local idx=0
         for opt; do
             cursor_to $(($startrow + $idx))
             if [ $idx -eq $selected ]; then
                 print_selected "$opt"
             else
                 print_option "$opt"
             fi
             ((idx++))
         done
 
         # user key control
         case `key_input` in
             enter) break;;
             up)    ((selected--));
                 if [ $selected -lt 0 ]; then selected=$(($# - 1)); fi;;
             down)  ((selected++));
                 if [ $selected -ge $# ]; then selected=0; fi;;
         esac
     done
 
     # cursor position back to normal
     cursor_to $lastrow
     printf "\n"
     cursor_blink_on
 
     return $selected
 }

 function start_selection {
     while [ $retry = "y" ]; do

		if [[ $active_shell == "fish" ]]; then
			prev_cmds=`history 25 | cut -c 8- | grep "cmd" | sed -e 's/- cmd: //g' | awk '!x[$0]++'`
		else
			prev_cmds=`history 10 | cut -c 8- | awk '!x[$0]++'`
		fi
		
        echo -e "Mem.dev: Choose which command would you like to save:\n"
        options=($prev_cmds)

        select_option "${options[@]}"
        choice=$?
		selected_cmd="${options[$choice]}"

		# Allow user to manually update `$selected_cmd` or press [Enter] to accept `default` value.  
		read -p "Command: [default=\"$selected_cmd\"]: " final_cmd 
		: ${final_cmd:=$selected_cmd}

        while [ -z $title ]; do
            read -p "What did this command do: " -e title
        done

        if [ -z $MEMDEV_TOKEN ]; then
            echo -e "\n"
            echo -e "${RED}You're not logged in. Please enter your auth token...${NC}"
            echo -e "(You can get get your auth token at ${BLUE}${BASE_URL}auth_token/?s=extension)${NC}" 
                
            while [ -z $extension_code ]; do
                read -p "Enter auth token: " -e extension_code
            done

            MEMDEV_TOKEN=`curl -sX POST -H "Content-Type: application/json" -d '{"id":"'"$extension_code"'"}' "${BASE_URL}api/v2/authorize/ext_auth" | awk -F'[:}]' '{print $(NF-1)}'`
            MEMDEV_TOKEN=${MEMDEV_TOKEN#\"}
            
            echo $MEMDEV_TOKEN > /tmp/memdev.txt
        fi

        SNIPPET_RESPONSE=`curl -sX POST \
        -H "Content-Type: application/json" \
        -H "Authorization: $MEMDEV_TOKEN" \
        -d "{\"content\":\"${final_cmd#\"}\", \"title\":\"${title#\"}\", \"topic\":\"Bash\", \"syntax\":\"bash\"}" \
        "${BASE_URL}api/v2/snippets"`
        
        echo -e "${GREEN}Command has been uploaded!${NC}\n"
        read -p "Upload another command?(y/N)" -e retry

        if [[ "$retry" == "y" ]]; then
            title=""
        fi
        
        if [ -z "$retry" ]; then
            retry="N"
        fi
        echo -e "\n"
    done
 }
 
 function off {
     rm /tmp/memdev.txt
     echo "Logged out successfully!"
 }
 
 case $1 in
    "off") off;;
    *) start_selection;;
 esac
 
 exit
 0