#!/bin/bash
## Create gifanime ##  TODO Search for similarities BEFORE ADD
## "(✜‿‿✜) GIFANIME $PROBETIME (✜‿‿✜)"
path="$1"
file="$2"

length=${#path}
last_char=${path:length-1:1}
[[ $last_char != "/" ]] && path="$path/"; :
[[ ! -s "${path}${file}" ]] && echo "Nothing Found, please check \"${path}${file}\"" && exit 1

MIME=$(file --mime-type -b "${path}${file}")

#################################################################################################################
############# CONVERT NOT MP4
        [[ ! $MIME == "video/mp4"  ]] \
        && echo "MP4 CONVERT... WAIT" \
        && ffmpeg -loglevel error -i "${path}${file}" -c:v libx264 -c:a aac "${path}${file}.mp4" \
        && [[ -s "${path}${file}.mp4" ]] && rm "${path}${file}" && file="${file}.mp4"  && extension="mp4" && MIME=$(file --mime-type -b "${path}${file}")

FILE_RES=$(ffprobe -v error -select_streams v:0 -show_entries stream=width,height -of csv=s=x:p=0 "${path}${file}" | cut -d "x" -f 2)
RES=${FILE_RES%?}0p

#################################################################################################################
############# VIDEO LINES MAX IS 720p
LINES=$(echo $RES | tr -dc '0-9')
[ $LINES -gt 720 ] \
&& ffmpeg -loglevel quiet -i "${path}${file}" -vf "scale=iw/2:ih/2" "${path}2${file}" \
&& [[ -s "${path}2${file}" ]] && rm "${path}${file}" && mv "${path}2${file}" "${path}${file}" \
&& echo "VIDEO RESIZED" \
&& FILE_RES=$(ffprobe -v error -select_streams v:0 -show_entries stream=width,height -of csv=s=x:p=0 "${path}${file}" | cut -d "x" -f 2) && RES=${FILE_RES%?}0p
#################################################################################################################

FILE_BSIZE=$(du -b "${path}${file}" | awk '{print $1}')

DURATION=$(ffprobe -v error -i "${path}${file}" -show_entries format=duration -v quiet -of csv="p=0" | cut -d '.' -f 1)
DUREE=$(ffprobe -v error -i "${path}${file}" -show_entries format=duration -sexagesimal -v quiet -of csv="p=0"| cut -d '.' -f 1)

PROBETIME=$(echo "0.618 * $DURATION" | bc -l | cut -d '.' -f 1)
[[ ! $PROBETIME ]] && PROBETIME="1.0"

## How many seconds are encoded by Mo ?
VTRATIO=$(echo "$DURATION / $FILE_BSIZE * 1024 * 1024" | bc -l | xargs printf "%.2f")

## CREATE SOME INDEX HOOKS
# ffmpeg -skip_frame nokey -i ${path}${file} -vsync 0 -r 30 -f image2 thumbnails-%02d.jpeg

rm -f ~/.zen/tmp/screen.gif
ffmpeg -loglevel quiet -ss $PROBETIME -t 1.6 -loglevel quiet -i "${path}${file}" ~/.zen/tmp/screen.gif
ANIMH=$(ipfs add -q ~/.zen/tmp/screen.gif)

echo "export ANIMH=$ANIMH PROBETIME=$PROBETIME DURATION=$DURATION DUREE=$DUREE RES=$RES MIME=$MIME VTRATIO=$VTRATIO file=$file"
exit 0