johnny-cash.nix

{ pkgs ? import <nixpkgs> {} }:

pkgs.writeShellApplication {
  name = "cash-bio";

  runtimeInputs = with pkgs; [ curl jq ncurses ];

  text = ''
    # Use bold and gold for the man in black
    BOLD=$(tput bold)
    GOLD=$(tput setaf 3)
    RESET=$(tput sgr0)

    echo -e "$\{BOLD\}$\{GOLD\}JOHNNY CASH: THE EARLY YEARS (1954 - 1970)$\{RESET\}"
    echo "--------------------------------------------------------"

    # Fetching from MusicBrainz API
    # Artist ID for Johnny Cash: d43d12a6-91b4-4e73-903b-13c381446f5f
    API_URL="https://musicbrainz.org/ws/2/release?artist=d43d12a6-91b4-4e73-903b-13c381446f5f&type=album&fmt=json"

    curl -s "$API_URL" | jq -r '.releases 
      | map(select((."release-events"[0].date | ./[:4] | tonumber) <= 1970)) 
      | sort_by(."release-events"[0].date) 
      | .[] 
      | "[\(."release-events"[0].date[:4])] - \( .title )"' \
      | uniq
    
    echo "--------------------------------------------------------"
    echo "Note: Includes the legendary Folsom and San Quentin live sets."
  '';
}