#!/bin/bash

colors=("31" "32" "33" "34" "35" "36" "37")
color_index=0

function get_next_color() {
    local current_color_index="$1"
    local next_color_index=$(( (current_color_index + 1) % ${#colors[@]} ))
    echo "$next_color_index"
}

function print_data() {
    local json_data="$1" 
    local output=""
    IFS=$'\n' 
    for item in $(echo "$json_data" | jq -c '.[]'); do
        slug=$(echo "$item" | jq -r '.slug')
        titre=$(echo "$item" | jq -r '.now.song.title')
        artiste=$(echo "$item" | jq -r '.now.secondLine')

        slug=${slug#fip_}
        slug="$(tr '[:lower:]' '[:upper:]' <<< ${slug:0:1})${slug:1}"


        color_code=${colors[$color_index]} 
        slug="\033[1;${color_code}m$slug\033[0m"

        slug=$(printf "%-32s" "$slug")
        terminal_width=$(tput cols)
        width=$((((terminal_width - 32) / 2) - 4))
        artiste=$(printf "%-${width}s" "${artiste:0:${width}}")
        titre=$(printf "%-${width}s" "${titre:0:${width}}")

        output+="\033[1$slug\033[0m | \033[1mArtiste:\033[0m $artiste | \033[1mTitre:\033[0m $titre |\n"
        color_index=$(get_next_color "$color_index")
    done
    clear
    echo -e "$output"
}


md5=""
while true; do
    json_data=$(curl -s "https://www.radiofrance.fr/fip/api/webradios?station=fip")

    new_md5=$(echo -n "$json_data" | md5sum | awk '{print $1}')

    if [ "$new_md5" != "$md5" ]; then
        print_data "$json_data"
        md5="$new_md5"
    fi
    
    sleep 5
done