#!/bin/bash

commands_to_check=(gallery-dl gdl.sh)

commands_not_found=()
for command in ${commands_to_check[@]}; do
    if ! command -v "$command" &> /dev/null; then
        commands_not_found+=("$command")
    fi
done

if [ ${#commands_not_found[@]} -ne 0 ]; then
    echo 'The following commands are necessary in order to run the script, but were not found:'

    for command in ${commands_not_found[@]}; do
        echo "    \"$command\""
    done

    exit 1
fi

cur_dir=`pwd`
furry_commission_ideas_path=/mnt/e/home/sync/nextcloud/furry-commission-ideas
furry_commission_ideas_urls_filename="urls.txt"
scripts_path=/home/cloud/repos/personal-devboot/scripts/shell

if [ ! -d $furry_commission_ideas_path ]; then
    echo "[ERROR] The ideas folder was not found (\"$furry_commission_ideas_path\")"
    exit 1
fi

if [ ! -d $scripts_path ]; then
    echo "[ERROR] The scripts folder was not found (\"$scripts_path\")"
    exit 1
fi

input_media_url() {
    read -p "[INFO] Please inform the media's url: " media_url
    echo "$media_url"
}

media_url=`input_media_url`
while [ -z "$media_url" ]; do
    media_url=`input_media_url`
done

# remove trailing slashes
media_url=`sed 's:/*$::' <<< "$media_url"`

url_regex='(https?)://[-[:alnum:]\+&@#/%?=~_|!:,.;]*[-[:alnum:]\+&@#/%=~_|]'
if [[ ! $media_url =~ $url_regex ]]; then
    echo "The URL informed is not valid."
    exit 1
fi

cd $furry_commission_ideas_path

existing_folders=($(find * -type d -not -path artists -not -path kinks -not -path ideas))

filtered_existing_folders=()

# removing artists folder depth 2 only
for folder in "${existing_folders[@]}"; do
    if [[ ! $folder =~ ^artists/[^/]+$ ]]; then
        filtered_existing_folders+=( "$folder" )
    fi;
done

existing_folders=("${filtered_existing_folders[@]}")

input_create_folder() {
    read -p "[INFO] Please create one: " new_foldername
    echo "$new_foldername"
}

selected_folder=''

if [ -z "${existing_folders}" ]; then
    echo "[INFO] There are no folders in the 'furry-commission-ideas' folder."

    new_foldername=$(input_create_folder)
    while [ -z "$new_foldername" ]; do
        new_foldername=$(input_create_folder)
    done

    mkdir --parents "$new_foldername"
    selected_folder="$new_foldername"
fi

input_create_folder() {
    read -p "[INFO] Please informe a name for the new folder: " new_foldername
    echo "$new_foldername"
}

input_select_folder() {
    read -p "[INFO] Please inform the desired option: " selected_option

    if [ "$selected_option" == 'n' ]; then
        selected_folder=`input_create_folder`
        while [ -z "$selected_folder" ]; do
            selected_folder=`input_create_folder`
        done

        mkdir --parents "$selected_folder"
    else
        selected_folder=${existing_folders[$selected_option]}
    fi

    echo "$selected_folder"
}

if [ -z "$selected_folder" ]; then
    printf "\n"
    echo "[INFO] Folders:"
    for ((i = 0; i < ${#existing_folders[@]}; i++)); do
        foldername=${existing_folders[$i]}
        echo "      $i) $foldername"
    done

    echo "      n) (create a new folder)"

    printf "\n"

    selected_folder=`input_select_folder`
    while [ -z "$selected_folder" ]; do
        selected_folder=`input_select_folder`
    done
fi

cd $selected_folder

if [ -f "$furry_commission_ideas_urls_filename" ] && grep -qE "$media_url" -i "$furry_commission_ideas_urls_filename"; then
    printf "\n"
    echo "[INFO] This folder already has the media informed."
    echo "[INFO] Exiting..."
    exit 0
fi

if ! command_output=$($scripts_path/gdl.sh $media_url); then
  exit 1
fi

media_filenames=()

for ((i = 0; i < ${#command_output[@]}; i++)); do
    filename=${command_output[$i]}
    media_filenames+=$(basename "$filename")
done


for ((i = 0; i < ${#media_filenames[@]}; i++)); do
    media_filename=${media_filenames[$i]}

    echo "$media_filename: $media_url" >> $furry_commission_ideas_urls_filename
done