#!/bin/bash


completion::description() {
    echo "Shell completion"
}

completion::usage() {
    cat <<"EOT"
    zsh                       Prints the script for zsh completion
    bash                      Prints the script for bash completion
EOT
}

completion::run() {
    local last=${ARGS[${#ARGS[@]}-1]}
    if [ x$last == xcompletion ]; then
        echo "ERROR: 'shell' not specified."
        echo "Use 'syndesis completion [zsh | bash]'."
        exit 1
    fi

    local nlast=${ARGS[${#ARGS[@]}-2]}
    if [ x$nlast != xcompletion ]; then
        echo "ERROR: too many arguments."
        echo "Use 'syndesis completion [zsh | bash]'."
        exit 1
    fi

    local shell=$last

    case $last in
    "zsh")
        zsh_completion
        ;;
    "bash")
        bash_completion
        ;;
    *)
        echo "ERROR: unsupported shell '${last}'."
        echo "Use 'syndesis completion [zsh | bash]'."
        exit 1
        ;;
    esac
}

zsh_completion() {
    cat <<"EOT"
#compdef syndesis

__syndesis_bash_source() {
    alias shopt=':'
    alias _expand=_bash_expand
    alias _complete=_bash_comp
    emulate -L sh
    setopt kshglob noshglob braceexpand

    source "$@"
}

__syndesis_type() {
    # -t is not supported by zsh
    if [ "$1" == "-t" ]; then
        shift

        # fake Bash 4 to disable "complete -o nospace". Instead
        # "compopt +-o nospace" is used in the code to toggle trailing
        # spaces. We don't support that, but leave trailing spaces on
        # all the time
        if [ "$1" = "__syndesis_compopt" ]; then
            echo builtin
            return 0
        fi
    fi
    type "$@"
}

__syndesis_compgen() {
    local completions w
    completions=( $(compgen "$@") ) || return $?

    # filter by given word as prefix
    while [[ "$1" = -* && "$1" != -- ]]; do
        shift
        shift
    done
    if [[ "$1" == -- ]]; then
        shift
    fi
    for w in "${completions[@]}"; do
        if [[ "${w}" = "$1"* ]]; then
            echo "${w}"
        fi
    done
}

__syndesis_compopt() {
    true # don't do anything. Not supported by bashcompinit in zsh
}

__syndesis_ltrim_colon_completions()
{
    if [[ "$1" == *:* && "$COMP_WORDBREAKS" == *:* ]]; then
        # Remove colon-word prefix from COMPREPLY items
        local colon_word=${1%${1##*:}}
        local i=${#COMPREPLY[*]}
        while [[ $((--i)) -ge 0 ]]; do
            COMPREPLY[$i]=${COMPREPLY[$i]#"$colon_word"}
        done
    fi
}

__syndesis_get_comp_words_by_ref() {
    cur="${COMP_WORDS[COMP_CWORD]}"
    prev="${COMP_WORDS[${COMP_CWORD}-1]}"
    words=("${COMP_WORDS[@]}")
    cword=("${COMP_CWORD[@]}")
}

__syndesis_filedir() {
    local RET OLD_IFS w qw

    __debug "_filedir $@ cur=$cur"
    if [[ "$1" = \~* ]]; then
        # somehow does not work. Maybe, zsh does not call this at all
        eval echo "$1"
        return 0
    fi

    OLD_IFS="$IFS"
    IFS=$'\n'
    if [ "$1" = "-d" ]; then
        shift
        RET=( $(compgen -d) )
    else
        RET=( $(compgen -f) )
    fi
    IFS="$OLD_IFS"

    IFS="," __debug "RET=${RET[@]} len=${#RET[@]}"

    for w in ${RET[@]}; do
        if [[ ! "${w}" = "${cur}"* ]]; then
            continue
        fi
        if eval "[[ \"\${w}\" = *.$1 || -d \"\${w}\" ]]"; then
            qw="$(__syndesis_quote "${w}")"
            if [ -d "${w}" ]; then
                COMPREPLY+=("${qw}/")
            else
                COMPREPLY+=("${qw}")
            fi
        fi
    done
}

__syndesis_quote() {
    if [[ $1 == \'* || $1 == \"* ]]; then
        # Leave out first character
        printf %q "${1:1}"
    else
        printf %q "$1"
    fi
}

autoload -U +X bashcompinit && bashcompinit

# use word boundary patterns for BSD or GNU sed
LWORD='[[:<:]]'
RWORD='[[:>:]]'
if sed --help 2>&1 | grep -q GNU; then
    LWORD='\<'
    RWORD='\>'
fi

__syndesis_convert_bash_to_zsh() {
    sed \
    -e 's/declare -F/whence -w/' \
    -e 's/_get_comp_words_by_ref "\$@"/_get_comp_words_by_ref "\$*"/' \
    -e 's/local \([a-zA-Z0-9_]*\)=/local \1; \1=/' \
    -e 's/flags+=("\(--.*\)=")/flags+=("\1"); two_word_flags+=("\1")/' \
    -e 's/must_have_one_flag+=("\(--.*\)=")/must_have_one_flag+=("\1")/' \
    -e "s/${LWORD}_filedir${RWORD}/__syndesis_filedir/g" \
    -e "s/${LWORD}_get_comp_words_by_ref${RWORD}/__syndesis_get_comp_words_by_ref/g" \
    -e "s/${LWORD}__ltrim_colon_completions${RWORD}/__syndesis_ltrim_colon_completions/g" \
    -e "s/${LWORD}compgen${RWORD}/__syndesis_compgen/g" \
    -e "s/${LWORD}compopt${RWORD}/__syndesis_compopt/g" \
    -e "s/${LWORD}declare${RWORD}/builtin declare/g" \
    -e "s/\\\$(type${RWORD}/\$(__syndesis_type/g" \
    <<'BASH_COMPLETION_EOF'
EOT
    bash_completion
    cat <<"EOT"
BASH_COMPLETION_EOF
}
__syndesis_bash_source <(__syndesis_convert_bash_to_zsh)
_complete syndesis 2>/dev/null
EOT
}

bash_completion() {
    cat <<"EOT"
# bash completion for syndesis                                   -*- shell-script -*-

__debug()
{
    if [[ -n ${BASH_COMP_DEBUG_FILE} ]]; then
        echo "$*" >> "${BASH_COMP_DEBUG_FILE}"
    fi
}

# Homebrew on Macs have version 1.3 of bash-completion which doesn't include
# _init_completion. This is a very minimal version of that function.
__my_init_completion()
{
    COMPREPLY=()
    _get_comp_words_by_ref "$@" cur prev words cword
}

__index_of_word()
{
    local w word=$1
    shift
    index=0
    for w in "$@"; do
        [[ $w = "$word" ]] && return
        index=$((index+1))
    done
    index=-1
}

__contains_word()
{
    local w word=$1; shift
    for w in "$@"; do
        [[ $w = "$word" ]] && return
    done
    return 1
}

__handle_reply()
{
    __debug "${FUNCNAME[0]}"
    case $cur in
        -*)
            if [[ $(type -t compopt) = "builtin" ]]; then
                compopt -o nospace
            fi
            local allflags
            if [ ${#must_have_one_flag[@]} -ne 0 ]; then
                allflags=("${must_have_one_flag[@]}")
            else
                allflags=("${flags[*]} ${two_word_flags[*]}")
            fi
            COMPREPLY=( $(compgen -W "${allflags[*]}" -- "$cur") )
            if [[ $(type -t compopt) = "builtin" ]]; then
                [[ "${COMPREPLY[0]}" == *= ]] || compopt +o nospace
            fi

            # complete after --flag=abc
            if [[ $cur == *=* ]]; then
                if [[ $(type -t compopt) = "builtin" ]]; then
                    compopt +o nospace
                fi

                local index flag
                flag="${cur%%=*}"
                __index_of_word "${flag}" "${flags_with_completion[@]}"
                if [[ ${index} -ge 0 ]]; then
                    COMPREPLY=()
                    PREFIX=""
                    cur="${cur#*=}"
                    ${flags_completion[${index}]}
                    if [ -n "${ZSH_VERSION}" ]; then
                        # zfs completion needs --flag= prefix
                        eval "COMPREPLY=( \"\${COMPREPLY[@]/#/${flag}=}\" )"
                    fi
                fi
            fi
            return 0;
            ;;
    esac

    # check if we are handling a flag with special work handling
    local index
    __index_of_word "${prev}" "${flags_with_completion[@]}"
    if [[ ${index} -ge 0 ]]; then
        ${flags_completion[${index}]}
        return
    fi

    # we are parsing a flag and don't have a special handler, no completion
    if [[ ${cur} != "${words[cword]}" ]]; then
        return
    fi

    local completions
    completions=("${commands[@]}")
    if [[ ${#must_have_one_noun[@]} -ne 0 ]]; then
        completions=("${must_have_one_noun[@]}")
    fi
    if [[ ${#must_have_one_flag[@]} -ne 0 ]]; then
        completions+=("${must_have_one_flag[@]}")
    fi
    COMPREPLY=( $(compgen -W "${completions[*]}" -- "$cur") )

    if [[ ${#COMPREPLY[@]} -eq 0 && ${#noun_aliases[@]} -gt 0 && ${#must_have_one_noun[@]} -ne 0 ]]; then
        COMPREPLY=( $(compgen -W "${noun_aliases[*]}" -- "$cur") )
    fi

    if [[ ${#COMPREPLY[@]} -eq 0 ]]; then
        declare -F __custom_func >/dev/null && __custom_func
    fi

    __ltrim_colon_completions "$cur"
}

# The arguments should be in the form "ext1|ext2|extn"
__handle_filename_extension_flag()
{
    local ext="$1"
    _filedir "@(${ext})"
}

__handle_subdirs_in_dir_flag()
{
    local dir="$1"
    pushd "${dir}" >/dev/null 2>&1 && _filedir -d && popd >/dev/null 2>&1
}

__handle_flag()
{
    __debug "${FUNCNAME[0]}: c is $c words[c] is ${words[c]}"

    # if a command required a flag, and we found it, unset must_have_one_flag()
    local flagname=${words[c]}
    local flagvalue
    # if the word contained an =
    if [[ ${words[c]} == *"="* ]]; then
        flagvalue=${flagname#*=} # take in as flagvalue after the =
        flagname=${flagname%%=*} # strip everything after the =
        flagname="${flagname}=" # but put the = back
    fi
    __debug "${FUNCNAME[0]}: looking for ${flagname}"
    if __contains_word "${flagname}" "${must_have_one_flag[@]}"; then
        must_have_one_flag=()
    fi

    # if you set a flag which only applies to this command, don't show subcommands
    if __contains_word "${flagname}" "${local_nonpersistent_flags[@]}"; then
      commands=()
    fi

    # keep flag value with flagname as flaghash
    if [ -n "${flagvalue}" ] ; then
        flaghash[${flagname}]=${flagvalue}
    elif [ -n "${words[ $((c+1)) ]}" ] ; then
        flaghash[${flagname}]=${words[ $((c+1)) ]}
    else
        flaghash[${flagname}]="true" # pad "true" for bool flag
    fi

    # skip the argument to a two word flag
    if __contains_word "${words[c]}" "${two_word_flags[@]}"; then
        c=$((c+1))
        # if we are looking for a flags value, don't show commands
        if [[ $c -eq $cword ]]; then
            commands=()
        fi
    fi

    c=$((c+1))

}

__handle_noun()
{
    __debug "${FUNCNAME[0]}: c is $c words[c] is ${words[c]}"

    if __contains_word "${words[c]}" "${must_have_one_noun[@]}"; then
        must_have_one_noun=()
    elif __contains_word "${words[c]}" "${noun_aliases[@]}"; then
        must_have_one_noun=()
    fi

    nouns+=("${words[c]}")
    c=$((c+1))
}

__handle_command()
{
    __debug "${FUNCNAME[0]}: c is $c words[c] is ${words[c]}"

    local next_command
    if [[ -n ${last_command} ]]; then
        next_command="_${last_command}_${words[c]//:/__}"
    else
        if [[ $c -eq 0 ]]; then
            next_command="_$(basename "${words[c]//:/__}")"
        else
            next_command="_${words[c]//:/__}"
        fi
    fi
    c=$((c+1))
    __debug "${FUNCNAME[0]}: looking for ${next_command}"
    declare -F $next_command >/dev/null && $next_command
}

__handle_word()
{
    if [[ $c -ge $cword ]]; then
        __handle_reply
        return
    fi
    __debug "${FUNCNAME[0]}: c is $c words[c] is ${words[c]}"
    if [[ "${words[c]}" == -* ]]; then
        __handle_flag
    elif __contains_word "${words[c]}" "${commands[@]}"; then
        __handle_command
    elif [[ $c -eq 0 ]] && __contains_word "$(basename "${words[c]}")" "${commands[@]}"; then
        __handle_command
    else
        __handle_noun
    fi
    __handle_word
}

__custom_func() {
    __debug ___custom_func
    case ${last_command} in
    esac
}


_modules() {
    __debug _modules
    COMPREPLY+=(ui-react server connector s2i meta integration extension common operator upgrade)
}

_syndesis_build() {
    last_command="syndesis_build"
    commands=()
    flags=()
    two_word_flags=()
    local_nonpersistent_flags=()
    flags_with_completion=()
    flags_completion=()
    must_have_one_flag=()
    must_have_one_noun=()
    noun_aliases=()

    flags+=("-b")
    flags+=("--backend")
    flags+=("--all-images")
    flags+=("-m")
    flags_with_completion+=("-m")
    flags_completion+=("_modules")
    flags+=("--module")
    flags_with_completion+=("--module")
    flags_completion+=("_modules")
    flags+=("-d")
    flags+=("--dependencies")
    flags+=("--skip-tests")
    flags+=("--skip-checks")
    flags+=("-f")
    flags+=("--flash")

    flags+=("-i")
    flags+=("--image")
    flags+=("--docker")
    flags+=("-p")
    flags+=("--project")
    flags+=("-c")
    flags+=("--clean")
    flags+=("--batch-mode")

}

_syndesis_completion() {
    last_command="syndesis_completion"
    commands=()

    flags=()
    two_word_flags=()
    local_nonpersistent_flags=()
    flags_with_completion=()
    flags_completion=()

    must_have_one_flag=()
    must_have_one_noun=()
    must_have_one_noun+=("bash")
    must_have_one_noun+=("zsh")
    noun_aliases=()
}

_syndesis_dev() {
    last_command="syndesis_dev"
    commands=()

    flags=()
    two_word_flags=()
    local_nonpersistent_flags=()
    flags_with_completion=()
    flags_completion=()
    must_have_one_flag=()
    must_have_one_noun=()
    noun_aliases=()

    flags+=("--debug")
    flags+=("--cookie")
    flags+=("--refresh")
    flags+=("--version")
}

_syndesis_install() {
    last_command="syndesis_install"
    commands=()

    flags=()
    two_word_flags=()
    local_nonpersistent_flags=()
    flags_with_completion=()
    flags_completion=()
    must_have_one_flag=()
    must_have_one_noun=()
    noun_aliases=()

	flags+=("-p")
	flags+=("--project")
	flags+=("--route")
	flags+=("--console")
	flags+=("--tag")
	flags+=("--dev")
	flags+=("-w")
	flags+=("--watch")
	flags+=("--local")
	flags+=("-o")
	flags+=("--open")
	flags+=("-y")
	flags+=("--yes")
	flags+=("--memory-server")
	flags+=("--memory-meta")
	flags+=("--test-support")
	flags+=("--man")
}

_syndesis_minishift() {
    last_command="syndesis_minishift"
    commands=()

    flags=()
    two_word_flags=()
    local_nonpersistent_flags=()
    flags_with_completion=()
    flags_completion=()
    must_have_one_flag=()
    must_have_one_noun=()
    noun_aliases=()

<<<<<<< HEAD
	flags+=("--install")
	flags+=("-p")
	flags+=("--project")
	flags+=("-c")
	flags+=("--context")
	flags+=("--reset")
	flags+=("--full-reset")
	flags+=("--memory")
	flags+=("--cpus")
	flags+=("--disk-size")
	flags+=("--vm-driver")
	flags+=("--show-logs")
	flags+=("--openshift-version")
	flags+=("--tag")
	flags+=("--local")
	flags+=("-o")
	flags+=("--open")
	flags+=("--y")
	flags+=("--yes")
	flags+=("--memory-server")
	flags+=("--memory-meta")
	flags+=("--test-support")
	flags+=("--man")
=======
    flags+=("--install")
    flags+=("-p")
    flags+=("--project")
    flags+=("-c")
    flags+=("--context")
    flags+=("--reset")
    flags+=("--full-reset")
    flags+=("--memory")
    flags+=("--cpus")
    flags+=("--disk-size")
    flags+=("--vm-driver")
    flags+=("--show-logs")
    flags+=("--openshift-version")
    flags+=("--tag")
    flags+=("--local")
    flags+=("-o")
    flags+=("--open")
    flags+=("--y")
    flags+=("--yes")
    flags+=("--memory-server")
    flags+=("--memory-meta")
    flags+=("--test-support")
  flags+=("--camel-k")
>>>>>>> 1a00f1953b... chore(docs): remove Software Developer Handbook
}

_syndesis_release() {
    last_command="syndesis_release"
    commands=()

    flags=()
    two_word_flags=()
    local_nonpersistent_flags=()
    flags_with_completion=()
    flags_completion=()
    must_have_one_flag=()
    must_have_one_noun=()
    noun_aliases=()

    flags+=("-n")
    flags+=("--dry-run")
    flags+=("--release-version")
    flags+=("--snapshot-release")
    flags+=("--dev-version")
    flags+=("--settings")
    flags+=("--local-maven-repo")
    flags+=("--docker-user")
    flags+=("--docker-password")
    flags+=("--no-git-push")
    flags+=("--git-remote")
    flags+=("--log")
}

_syndesis_system-test() {
    last_command="syndesis_system-test"
    commands=()

    flags=()
    two_word_flags=()
    local_nonpersistent_flags=()
    flags_with_completion=()
    flags_completion=()
    must_have_one_flag=()
    must_have_one_noun=()
    noun_aliases=()

    flags+=("--project")
    flags+=("--token")
    flags+=("--server")
    flags+=("--pool")
    flags+=("--test-id")
    flags+=("--create-pool")
    flags+=("--list-pool")
    flags+=("--release-project")
}

_syndesis()
{
    last_command="syndesis"
    commands=()
EOT
    for cmd in $(ls $cmd_dir); do
        if [ -f $cmd_dir/$cmd ]; then
            source $cmd_dir/$cmd
            echo "    commands+=('${cmd}')"
        fi
    done
    cat <<"EOT"

    flags=()
    two_word_flags=()
    local_nonpersistent_flags=()
    flags_with_completion=()
    flags_completion=()

    must_have_one_flag=()
    must_have_one_noun=()
    noun_aliases=()
}

__start_syndesis()
{
    local cur prev words cword
    declare -A flaghash 2>/dev/null || :
    if declare -F _init_completion >/dev/null 2>&1; then
        _init_completion -s || return
    else
        __my_init_completion -n "=" || return
    fi

    local c=0
    local flags=()
    local two_word_flags=()
    local local_nonpersistent_flags=()
    local flags_with_completion=()
    local flags_completion=()
    local commands=("syndesis")
    local must_have_one_flag=()
    local must_have_one_noun=()
    local last_command
    local nouns=()

    __handle_word
}


if [[ $(type -t compopt) = "builtin" ]]; then
    complete -o default -F __start_syndesis syndesis
else
    complete -o default -o nospace -F __start_syndesis syndesis
fi

# ex: ts=4 sw=4 et filetype=sh
EOT
}
