#!/bin/bash

# ssup - upload screenshot

# brew install pngpaste imagemagick

set -x # Show commands as they are run.
set -e # Exit on error.

# Generate random file name for image.
IMAGE_NAME=$(head -c 40 /dev/urandom | base64 | perl -pe 's~\W~~g' | head -c 15)

TEMP_FILE="/tmp/${IMAGE_NAME}.png"
pngpaste "$TEMP_FILE"

DIMENSIONS=$(half-image-dimensions $TEMP_FILE)

URL="https://curi.us/img/$IMAGE_NAME-${DIMENSIONS}.png"
UPLOAD_PATH="/home/curi/img/${IMAGE_NAME}-${DIMENSIONS}.png"

chmod 444 "$TEMP_FILE"
if scp -P 44222 "$TEMP_FILE" "curi@ssh.curi.us:${UPLOAD_PATH}"
  then chmod 644 "$TEMP_FILE"
else
  chmod 644 "$TEMP_FILE"
  say "oh my god the file name was a duplicate"
  exit 1
fi

echo -n "$URL" | pbcopy

say "image uploaded"



# half-image-dimensions script:

# #!/usr/bin/env ruby
#
# # input: image file name
# # output: image dimensions string like: 1920x1080
# # output is half the real dimensions, rounded down, for getting retina stuff scaled down
#
# results = `sips  -g pixelHeight -g pixelWidth #{ARGV[0]}`
#
# results =~ /pixelHeight: (\d+)/
# h = ($1.to_f/2.0).to_i
# results =~ /pixelWidth: (\d+)/
# w = ($1.to_f/2.0).to_i
#
# print "#{w}x#{h}"



# old script that makes a 50% size image and a retina image

# Make sure a file with this name doesn't already exist.
# Shouldn't happen with the length of random name we're using.
# if curl --head "$URL" | head -1 | grep "200 OK" >/dev/null; then
#   say "duplicate file name"
#   exit 1
# fi
#
# ORIGINAL_FILE="/tmp/${IMAGE_NAME}-has2x@2x.png"
# CONVERTED_FILE="/tmp/${IMAGE_NAME}-has2x.png"
#
# # Copy image from clipboard to temp directory.
# pngpaste "$ORIGINAL_FILE"
#
# # convert -resize 50% "$ORIGINAL_FILE" "$CONVERTED_FILE"
#
# # scp won't copy over read-only files
# chmod 444 "$ORIGINAL_FILE" "$CONVERTED_FILE"
#
# ## CHANGE THE LINE BELOW to use the upload command of your choice.
# if scp -P 44222 "$ORIGINAL_FILE" "$CONVERTED_FILE" curi@ssh.curi.us:/home/curi/img/
#   then chmod 644 "$ORIGINAL_FILE" "$CONVERTED_FILE"
# else
#   chmod 644 "$ORIGINAL_FILE" "$CONVERTED_FILE"
#   say "oh my god the file name was a duplicate"
#   exit 1
# fi
#
# # Copy URL to clipboard.
# echo -n "$URL" | pbcopy
#
# say "image uploaded"