#!/bin/bash

exe_path="$(dirname "$0")"/"$(basename "$0")"
fav_path="$exe_path".saved
base_url='https://streema.com/radios/'
user_agent="Mozilla/5.0 (Windows NT 10.0; rv:78.0) Gecko/20100101 Firefox/78.0"
page=1
loaded=0
volume=25

saved_radios(){
	    saved=(`cat "$fav_path"`)
	    while true; do
            for i in ${!saved[@]};do
                if  ((i % 2 == 0));then
                    name[$i]=${saved[$i]}
                    url[$i]=${saved[(($i+1))]}
                fi
            done
            fav_choice=$(printf "%s\n" "${name[@]}" | sed -e '$a <Remove Saved>' -e '$a ...' | fzf --cycle)
            if [[ "$fav_choice" == "" || "$fav_choice" == "..." ]]; then
                break
            elif [[ "$fav_choice" == "<Remove Saved>" ]]; then
                remove_choice=$(printf "%s\n" "${saved[@]}" | sed -e '$a ...' | fzf --cycle)
                if [[ "$fav_choice" != "..." ]]; then
                    saved=( "${saved[@]/$remove_choice*/}" )
                    echo "${saved[0]}" > $fav_path
                    for i in "${saved[@]:1:${#saved[@]}}"; do
                      echo "$i" >> $fav_path
                    done
                    continue
                fi
            fi
        echo $fav_choice
        for index in "${!name[@]}"; do
            [[ "${name[$index]}" = "${fav_choice}" ]] && break
        done
        station=${url[$index]}
        echo $station
        mpv $station --volume=$volume
        done
}

while true; do
    if [[ "$#" == 0 && -e $fav_path ]]; then
        saved_radios
    elif [[ "$#" != 0 ]]; then
        if [[ "$loaded" == 0 ]]; then
            if [[ "$page" == 1 ]]; then
                url="https://streema.com/radios/search/?q="$(echo $@|tr ' ' +)
            else
                url="https://streema.com/radios/search/?q="$(echo $@|tr ' ' +)"&page=$page"
            fi
            # radios=($(cat tmp/search.html | grep -e propagation -B 2 -e item-rating -A 2 ...))
            radios=($(curl -A $user_agent -s $url | grep -e propagation -B 2 -e item-rating -A 2 | grep -e href -e Listens | grep -e radios -e "<p>"))
            j=0
            for i in "${!radios[@]}";do
                line=$(echo ${radios[i]} | grep href | cut -d'/' -f 3 | sed 's/"\+$//')
                    if [[ -n $line ]]; then
                        lines[j]=$line
                        ((j++))
                    else 
                        listen=$(echo ${radios[i]} | grep -e "<p>" | cut -d">" -f 2)
                        if [[ -n $listen ]];then
                            lisrs[j-1]=$listen
                            lines[j-1]=${lines[j-1]}" ("${lisrs[j-1]}")"
                        fi
                    fi
            done

            items=$(printf "%s\n" "${lines[@]}" | sed -e '$a <Save Last Played>' -e '$a <Saved>' -e '$a <Next Page>' -e '$a ...')
            loaded=1
        fi
        choice=$(printf "%s\n" "${items[@]}" | fzf --cycle)
        stripped_choice=$(echo $choice | cut -d ' ' -f 1)
    else
        printf "%s\n" "Usage: streema <search_query> or streema with no arguments to open saved radios. You can save the last played station with <Save Last Played> option."
        break
    fi

    if [[ "$choice" == "" || "$choice" == "..." ]]; then
        break
    fi

    if [[ "$choice" == "<Next Page>" ]]; then
        echo $((page++))
        loaded=0
        continue
    fi

    if [[ "$choice" == "<Save Last Played>" && -n "$last_choice" ]]; then
	    echo $last_choice" "$last_url >> $fav_path
    elif [[ "$choice" == "<Saved>" ]]; then
	    saved_radios
    else
        ub=$( curl -A $user_agent -s $base_url$stripped_choice | grep -e "url:" -e "Kbps" )
        bitrate=$( echo $ub | cut -d'>' -f 2 | cut -d'<' -f 1)
        station=$( echo $ub | cut -d'"' -f 4 | cut -d';' -f 1)
        check=$(echo $station | grep -e static)
        if [[ -n $station && -z $check ]]; then
            echo $stripped_choice
            echo $station" at "$bitrate
            mpv $station --volume=$volume
            last_choice=$stripped_choice
            last_url=$station
        else
            printf "\nNo URL available for $stripped_choice\n\n"
            sleep 1
        fi
    fi
done