#!/bin/zsh

#Default settings
DLART="0"
DLPRE="0"
DLSRC="0"
DLVID="1"
RATE="800K"

# My environment settings
SRCDIR="${HOME}/Software/src/Handmade Hero" # the directory to save Casey's files
VIDDIR="${HOME}/Media/Videos/YouTube/Handmade Hero" # the direct to save the videos
OWLURL="" # the url in the email from Molly@sendowl.com

# Casey's files
HMHSRC_001_099="file?product_id=168514"
HMHSRC_100_199="file?product_id=79802"
HMHART="file?product_id=93897"

usage()
{
        echo "usage: dlhmh [option]"
        echo
        echo "        -art            - disable art"
        echo "        +art            - enable art"
        echo "        -pre            - disable pre-stream video"
        echo "        +pre            - enable pre-stream video"
        echo "        -src            - disable source"
        echo "        +src            - enable source"
        echo "        -vid            - disable main stream"
        echo "        +vid            - enable main stream"
        echo
        echo "        -fs             - download at full-speed"
        echo "        -h|--help       - outputs this message"
        exit
}

# Argument parsing
while [[ $1 ]]; do
        case "$1" in
                '-art')         DLART='0';;
                '+art')         DLART='1';;
                '-pre')         DLPRE='0';;
                '+pre')         DLPRE='1' ; echo "Downloading the pre-stream video is not yet implemented\nExiting..." ; exit;;
                '-src')         DLSRC='0';;
                '+src')         DLSRC='1';;
                '-vid')         DLVID='0';;
                '+vid')         DLVID='1';;
                '-fs')          RATE="9G";;
                '-h'|'--help')  usage ;;
                *)              echo "${0##*/}: No such option, mate!\n" ; usage ; exit 127 ;;
        esac
        shift
done

# Downloading the art assets
if [[ "$DLART" == "1" ]]; then
        wget -O "${SRCDIR}/handmade_hero_assets.zip" "${OWLURL}/${HMHART}"
fi

# Downloading the pre-stream video
if [[ "$DLPRE" == "1" ]]; then
        #NOTE(matt): This is where the pre-stream downloading code will go
fi

# Downloading the source code
if [[ "$DLSRC" == "1" ]]; then
        if [[ ! -e "${SRCDIR}/handmade_hero_source_001-099.zip" ]]; then
                wget -O "${SRCDIR}/handmade_hero_source_001-099.zip" "${OWLURL}/${HMHSRC_001_099}"
        fi
        wget -O "${SRCDIR}/handmade_hero_source_100-199.zip" "${OWLURL}/${HMHSRC_100_199}"
fi

# YouTube playlists:
# https://www.youtube.com/user/handmadeheroarchive/playlists

#youtube-dl -o "${VIDDIR}/04. Game Architecture/%(title)s-%(id)s.%(ext)s" "https://www.youtube.com/playlist?list=PLEMXAbCVnmY6v0eFYcyiH7twEh1UF2Lxw"
#youtube-dl -o "${VIDDIR}/05. Asset Pipeline/%(title)s-%(id)s.%(ext)s" "https://www.youtube.com/playlist?list=PLEMXAbCVnmY6JVkAI8elXUJ-83HY706AQ"
#youtube-dl -o "${VIDDIR}/06. Rendering/%(title)s-%(id)s.%(ext)s" "https://www.youtube.com/playlist?list=PLEMXAbCVnmY40lfaaowTqIs_dKNgOXR5Q"

# Download all of the videos from the last 4 days ago into the HMH base directory
# NOTE(matt): Maybe figure out a way to download them to playlists while still
# keeping the '4 days ago' thing
if [[ "$DLVID" == "1" ]]; then
        youtube-dl -i -r $RATE -f 137+140 --download-archive "${VIDDIR}/.dlarchive" -o "${VIDDIR}/%(title)s-%(id)s.%(ext)s" --dateafter "$(date +%Y%m%d -d'8 days ago')" "https://www.youtube.com/user/handmadeheroarchive"
fi