#!/bin/bash
#shellcheck disable=SC1090

. "$TF_DIR/include/subtest.sh"
. "$TF_DIR/include/tools.sh"

tf_enum_subtests() {
    echo "no_module"
    echo "empty_file"
    echo "no_directive"
    echo "deep1"
    echo "deep2"
    echo "deep3"
    echo "deep4"
    echo "1directive"
    echo "2directives"
    echo "3directives"
    echo "twins"
    echo "twins"
    echo "updown"
    echo "directive_empty"
    echo "directive_spaces"
}

mkresult() {
    #
    # Prepare script body
    #
    #shellcheck disable=SC2016
    {
        echo '#!/bin/bash'
        echo 'SHELLFU_PATH=test/shellfu'
        echo '. "$(sfpath)" || exit 3'
        echo "shellfu _read_directive dname test/shellfu/$TF_SUBTEST.sh"
    } | bash
}

mkmodule() {
    #
    # Prepare module body
    #
    test "$TF_SUBTEST" == no_module && return 0
    {
        case $TF_SUBTEST in
            updown) echo '#shellfu dname=dvalue'
        esac
        test "$TF_SUBTEST" == empty_file || {
            echo 'foo() {'
            echo '    echo hello'
            echo '}'
        }
        case $TF_SUBTEST in
            no_directive)
                :
                ;;
            deep?)
                n=${TF_SUBTEST#deep}
                echo '#shellfu dname=dvalue'
                while test "$n" -gt 1; do
                    ((n--))
                    echo
                done
                ;;
            updown)
                echo '#shellfu dname=dvalue2'
                ;;
            directive_empty)
                echo '#shellfu dname='
                ;;
            twins)
                echo '#shellfu dname=dvalue dname=dvalue2'
                ;;
            1directive)
                echo '#shellfu dname=dvalue'
                ;;
            2directives)
                echo '#shellfu name=value dname=dvalue'
                ;;
            3directives)
                echo '#shellfu name=value dname=dvalue name=value'
                ;;
            directive_spaces)
                echo '#shellfu    dname=dvalue   '
                ;;
        esac
    } > "test/shellfu/$TF_SUBTEST.sh"
}

mkoracle() {
    case $TF_SUBTEST in
        deep1)          echo -n dvalue ;;
        deep2)          echo -n dvalue ;;
        deep3)          echo -n dvalue ;;
        twins)          echo -n dvalue ;;
        updown)         echo -n dvalue ;;
        1directive)     echo -n dvalue ;;
        2directives)    echo -n dvalue ;;
        3directives)    echo -n dvalue ;;
        directive_spaces) echo -n dvalue ;;
    esac > "oracle/$TF_SUBTEST.stdout"
    local f="shellfu:fatal:"
    local w="shellfu:"
    local m="test/shellfu/$TF_SUBTEST.sh"
    case $TF_SUBTEST in
        no_module)          echo "$f no such file: $m" ;;
        empty_file)         echo "$w directive not found: 'dname' in '$m'" ;;
        no_directive)       echo "$w directive not found: 'dname' in '$m'" ;;
        deep4)              echo "$w directive not found: 'dname' in '$m'" ;;
    esac > "oracle/$TF_SUBTEST.stderr"
}

mkes() {
    case $TF_SUBTEST in
        empty_file)         return 2 ;;
        no_directive)       return 2 ;;
        deep4)              return 2 ;;
        directive_empty)    return 1 ;;
        no_module)          return 3 ;;
    esac
    return 0
}

tf_do_subtest() {
    #
    # Prepare, run and check results of test $1
    #
    local o_es
    mkdir -p test/shellfu result oracle
    mkmodule
    mkoracle
    mkes; o_es=$?
    tf_testflt \
        -n "$TF_SUBTEST" \
        -O "oracle/$TF_SUBTEST.stdout" \
        -E "oracle/$TF_SUBTEST.stderr" \
        -S "$o_es" mkresult
}

tf_do_subtests