#!/bin/bash

STASH_IMPORT_DIR=""
STASH_API_KEY=""
STASH_HOST=""
STASH_PORT=0
STASH_YTDLP_FORMAT="%(title)s [%(id)s].%(ext)s"  # https://github.com/yt-dlp/yt-dlp#output-template
STASH_PRINT_PREFIX="Get: "

source .env

TARGET_DIR=$(readlink -m "$STASH_IMPORT_DIR/$(date +%Y%m)")
mkdir -p $TARGET_DIR

download_file() {
    FILE_URL="$1"

    extensions="(jpg|JPG|jpeg|JPEG|png|PNG|gif|GIF|mp4|MP4)"
    rgx_file="^.*\.$extensions$"
    rgx_filename="[A-Za-z0-9_]*.$extensions"
    rgx_dbu='http(s?)://.*donmai.us.*/posts/'
    if [[ $FILE_URL =~ $rgx_dbu ]]; then
	FILE_URL=$(curl -s "$1" | grep -Eo "http(s?)://.*donmai.us.*/original/[A-Za-z0-9/_]*\.(jpg|jpeg|png|gif|mp4)" | grep '__' -m1)
    fi

    if [[ $FILE_URL =~ $rgx_file ]]; then
	echo $STASH_PRINT_PREFIX $(echo $FILE_URL | grep -Eo "$rgx_filename")
        curl -sO "$FILE_URL" --output-dir "$2/"
    else
        echo $STASH_PRINT_PREFIX $FILE_URL
        yt-dlp $FILE_URL -o "$2/$3"
    fi
}

rgx_url='^http(s?):\/\/[-a-zA-Z0-9@:%._\+~#=]{2,256}\.[a-z]{2,6}\b[-a-zA-Z0-9@:%_\+.~#?&\/\/=]*$'

if [[ $1 =~ $rgx_url ]]; then
    # Download using yt-dlp
    download_file "$1" "$TARGET_DIR" "$STASH_YTDLP_FORMAT"
else
    isFile=$(file -0 "$1" | cut -d $'\0' -f2)
    case "$isFile" in
        (*text*)
            # Download as multiple URLs from the provided source file
            echo "Reading list of $(wc -l $1 | awk '{print $1}') URL(s)"
            while read p; do
                download_file "$p" "$TARGET_DIR" "$STASH_YTDLP_FORMAT"
            done <$1
            ;;
        (*)
            rsync "$1" "$TARGET_DIR/"
            ;;
    esac
fi

# Update stash
echo "Updating Stash..."
curl -S -s -o /dev/null -X POST -H "ApiKey: $STASH_API_KEY" -H "Content-Type: application/json" --data '{ "query": "mutation { metadataScan (input:{useFileMetadata: false})}" }' $STASH_HOST:$STASH_PORT/graphql