now

#!/usr/bin/env bash

# NAME   : now
# PATH   : $HOME/bin
# DESC   : Display current weather, calendar and time
# CALL   : Called from terminal or ~/.bashrc
# DATE   : Apr 6, 2017. Modified: May 24, 2019.
# CREDIT : https://askubuntu.com/a/1020693/92979

# UPDT   : 2019-05-24 If Weather unavailable nicely formatted error message.

# NOTE   : to display all available toilet fonts use this one-liner:
#          for i in ${TOILET_FONT_PATH:=/usr/share/figlet}/*.{t,f}lf; do j=${i##*/}; toilet -d "${i%/*}" -f "$j" "${j%.*}"; done

# setup for 92 character wide terminal
dateColumn=34                           # default is 27 for 80 character line, 34 for 92 character line
timeColumn=61                           # default is 49 for   "   "   "   "    61 "   "   "   "
curlOpt="-k"

#------------------------------ WEATHER -------------------------------------

# current weather, already in color so no need to override
# replace edmonton with your city name, gps, etc. see: curl wttr.in/:help
if ! curl ${curlOpt} wttr.in/sanjose?QmM0 --fail --silent --max-time 3 > /tmp/now-weather; then
#                          timeout #. increase for slow connection---^
  ~/.marslo/bin/iweather > /tmp/now-weather
fi

# was valid weather report found or an error message?
if grep '°C' /tmp/now-weather >/dev/null 2>&1; then
  WeatherSuccess=true
  cat /tmp/now-weather
else
  WeatherSuccess=false
  echo "                              "
  echo "                              "
  echo "                              "
  echo "                              "
  echo "                              " # replace edmonton with your city
  echo "                              "
  echo "                              "
  echo " "
fi
echo " "                                # pad blank lines for calendar & time to fit
rm -rf /tmp/now-weather

#------------------------------- DATA ---------------------------------------

# calendar current month with today highlighted.
# colors 00=bright white, 31=red, 32=green, 33=yellow, 34=blue, 35=purple,
#        36=cyan, 37=white

tput sc                                 # save cursor position.
tput cuu 7                              # move up 9 lines
# i=0; while [ $((++i)) -lt 10 ]; do tput cuu1; done

if [[ "$WeatherSuccess" == true ]] ; then
    # depending on length of your city name and country name you will:
    #   1. comment out next three lines of code. uncomment fourth code line.
    #   2. change subtraction value and set number of print spaces to match
    #      subtraction value. then place comment on fourth code line.
    Column=$((dateColumn - 10))
    tput cuf $Column                    # move x column number
    printf "          "                 # blank out ", country" with x spaces
else
    tput cuf $dateColumn                # position to column 27 for date display
fi

# -h needed to turn off formatting: https://askubuntu.com/questions/1013954/bash-substring-stringoffsetlength-error/1013960#1013960
# -h not supported in Ubuntu 18.04. Use second answer: https://askubuntu.com/a/1028566/307523
cal | tr -cd '\11\12\15\40\60-\136\140-\176' > /tmp/terminal

calLineCnt=1
Today=$(date +"%e")

printf "\033[32m"                       # color green -- see list above.

while IFS= read -r Cal; do
  printf "%s" "$Cal"
  if [[ $calLineCnt -gt 2 ]] ; then
    tput cub 22                         # see if today is on current line & invert background
    for (( j=0 ; j <= 18 ; j += 3 )) ; do
      Test=${Cal:$j:2}                  # current day on calendar line
      if [[ "$Test" == "$Today" ]] ; then
        printf "\033[7m"                # reverse: [7m
        printf "%s" "$Today"
        printf "\033[0m"                # normal: [0m
        printf "\033[32m"               # color green -- see list above.
        tput cuf 1
      else
        tput cuf 3
      fi
    done
  fi

  tput cud1                             # down one line
  tput cuf $dateColumn                  # move 27 columns right
  calLineCnt=$((++calLineCnt))
done < /tmp/terminal

printf "\033[00m"                       # color -- bright white (default)
echo ""

tput rc                                 # restore saved cursor position.

#------------------------------- TIME ---------------------------------------

tput sc                                 # save cursor position.
tput cuu 7                              # move up 9 lines
# Move up 8 lines
# i=0; while [ $((++i)) -lt 9 ]; do tput cuu1; done
tput cuf $timeColumn                    # move 49 columns right

if hash toilet 2>/dev/null; then        # if has toilet
   date +"%I:%M %P" | toilet -f future  > /tmp/terminal
elif hash figlet 2>/dev/null; then      # if has figlet
   date +"%I:%M %P" | figlet -f /usr/local/share/figlet/future.tlf > /tmp/terminal
else
   date +"%I:%M %P" > /tmp/terminal
fi

while IFS= read -r Time; do
  printf "\033[01;36m"                  # color cyan
  printf "%s" "$Time"
  tput cud1                             # up one line
  tput cuf $timeColumn                  # move 49 columns right
done < /tmp/terminal

tput rc                                 # restore saved cursor position.

exit 0

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