#!/bin/bash

# doc gen_cue {
#
# DESCRIPTION
#   gen_cue - Generates cue file from print_meta function
#
# USAGE
#   gen_cue <output from file_name> <output from print_meta_tracks> <file_1> [<file_2>] [<...>]
#
# DEPENDENCIES src/print_cue_breaklist
#
# }

gen_cue() {
    local FILE_NAME="${1}"
    local METADATA="${2}"; shift 2
    local fileList=("${@}")

    # Metadata Parsing
    metadataList=($(echo ${METADATA} | sed 's|;|    |g'))
    for metadata in ${metadataList[@]}; do
        eval local ${metadata} 
    done

    for file in ${fileList[@]}; do
        local trackList=(${trackList[@]}    $(echo ${file} | sed 's|.*/||' | awk 'BEGIN{ FS="-"; OFS=":"}{$1=""}{print $0}' | sed 's|: ||'))
    done

    # Generates breaklist
    breakList=($(print_cue_breaklist ${fileList[@]}))

    [[ ! -z "${DATE+x}" ]] && echo "REM DATE ${DATE}"
    [[ ! -z "${COMPOSER+x}" ]] && echo "PERFORMER \"${COMPOSER}\""
    [[ ! -z "${CONDUCTOR+x}" ]] && echo "REM CONDUCTOR \"${CONDUCTOR}\""
    [[ ! -z "${ORCHESTRA+x}" ]] && echo "REM ORCHESTRA \"${ORCHESTRA}\""
    [[ ! -z "${ARTIST+x}" ]] && echo "PERFORMER \"${ARTIST}\""
    [[ ! -z "${ALBUM+x}" ]] && echo "TITLE \"${ALBUM}\""
    echo "FILE \"${FILE_NAME}.flac\" WAVE"
    local COUNT=0
    while [[ ${COUNT} -lt ${#breakList[@]} ]]; do
        [[ ${COUNT} -le 8 ]] && local TRACK_NO="0$(( ${COUNT} + 1 ))" || local TRACK_NO="$(( ${COUNT} + 1 ))"
        echo "  TRACK ${TRACK_NO} AUDIO" 
        echo "    TITLE \"${trackList[${COUNT}]}\""
        echo "    INDEX 01 ${breakList[${COUNT}]}"
        local COUNT=$(( ${COUNT} + 1 ))
    done
    return 0
}