# bible(1) completion                                      -*- shell-script -*-

# These are bash completions for the bible executable

_bible()
{
    local cur prev words cword split
    # -s splits option=value into option in $prev and value in $cur
    # -n : keeps the colon from signifying the end of a token
    _init_completion -s -n : || return
    case $prev in
        --module | -m | --set-default-module | --remove-module)
            COMPREPLY=($(compgen -W "`bible --list-modules | tail -n+2 | awk '{print $1}'`" -- "$cur"))
            return
            ;;
        --list-chapters)
            # If we already have -m, use that. Else if a default is set, use that. Else, just return.
            # Scan COMP_WORDS for -m or --module
            mod="`grep -Po '(?<=\-m |\-\-module ).*?(?= )' <<< "${COMP_WORDS[@]}"`"
            if [ -z "$mod" ]; then
                # If we get here, then we need to set mod using the default module
                mod="`bible --list-modules | grep '(default)' | awk '{print $1}'`"
                if [ -z "$mod" ]; then
                    # We tried.
                    return
                fi
            fi
            # Tricky because of spaces in names
            books="`bible -m $mod --list-books | tail -n+2 | sed 's/^ //' | sed 's/ /\\\\ /g'`"
            books="${books//\\ /___}"
            COMPREPLY=()
            for iter in $books; do
                if [[ $iter =~ "___" ]]; then
                    iter="\"${iter//___/ }\""
                fi
                if [[ $iter =~ ^$cur ]] || [[ $iter =~ ^\"$cur ]]; then
                    COMPREPLY+=("$iter")
                fi
            done
            return
            ;;
        --install-network)
            # Use cur to first grab language, then module
            if [[ $cur == *:* ]]; then
                # We're working on the mod, not language
                lang=`cut -d: -f1 <<< $cur`
                COMPREPLY=($(compgen -W "`bible --list-installable | grep -Pzo '(?s)For language '$lang':.*?(?=For language)' | tail -n+2 | sed 's/ /'$lang':/' | tr -d '\000'`" -- "$cur"))
            else
                # We're working on the language, not mod
                compopt -o nospace
                COMPREPLY=($(compgen -W "`bible --list-installable | grep 'For language' | awk '{print $3}'`" -- "$cur"))
            fi
            __ltrim_colon_completions "$cur"
            return
            ;;
        --install-zip)
            _filedir '@(zip)'
            return
            ;;
        --list-installable)
            COMPREPLY=($(compgen -W "`bible --list-installable | grep 'For language' | sed 's/For language //' | cut -d: -f1`" -- "$cur"))
            return
            ;;
        --help | --list-books | --omit-verse-numbers | --list-modules | --list-installable | -[ho])
            return
            ;;
    esac

    $split && return

    if [[ $cur == -* ]]; then
        COMPREPLY=($(compgen -W "`_parse_help "$1"`" -- "$cur"))
        [[ ${COMPREPLY-} == *= ]] && compopt -o nospace
    fi
} &&
    complete -F _bible bible