# bash completion for running python tests with djntest


# if _get_comp_words_by_ref is not defined, lets define it
# Work *stolen* from git autocomplete
if ! type _get_comp_words_by_ref >/dev/null 2>&1; then
_get_comp_words_by_ref ()
{
    while [ $# -gt 0 ]; do
        case "$1" in
        cur)
            cur=${COMP_WORDS[COMP_CWORD]}
            ;;
        prev)
            prev=${COMP_WORDS[COMP_CWORD-1]}
            ;;
        words)
            words=("${COMP_WORDS[@]}")
            ;;
        cword)
            cword=$COMP_CWORD
            ;;
        -n)
            # assume COMP_WORDBREAKS is already set sanely
            shift
            ;;
        esac
        shift
    done
}
fi


# And now, here is our autocompletion
_djntest()
{
    local cur prev words cword

    COMPREPLY=()
    _get_comp_words_by_ref cur prev words cword

    local tcases

    if [[ $cur = ":" ]]
        then
        # <command> test_file.py:<TAB>
        # cur = :
        # prev = test_file.py
        tcases=$(get_testcases.py $prev)
    else
        if [[ ! -z $cur ]] && [[ $prev = ":" ]]
            then
            case $cur in
                *.* )
                # <command> test_file.py:TestAutocomplete.<TAB>
                # cur = TestAutocomplete.
                # prev = :
                # preprev = test_file.py
                tcases=$(get_testcases.py ${words[cword-2]} --units=$cur);
                ;;
                * )
                # <command> test_file.py:TestDo<TAB>
                # cur = TestDo
                # prev = :
                # preprev = test_file.py
                tcases=$(get_testcases.py ${words[cword-2]})
            esac
        fi
    fi

    if [[ -z $tcases ]]
        then
            _filedir
        else
            COMPREPLY=()
            # Variable to hold the current word
            cur="${COMP_WORDS[COMP_CWORD]}"
            local stripped_cur=${cur#":"}
            # Generate possible matches and store them in the
            # array variable COMPREPLY
            COMPREPLY=($(compgen -W "${tcases}" $stripped_cur))
    fi

}
complete -F _djntest djntest