#!/bin/sh

DF_CRATE_STRICT=${DF_CRATE_STRICT:-0}

# crate_validate <crate> <exit_on_invalid>
# example:
#   crate_validate $1 1
#   crate_validate $1 0 || return 1
crate_validate() {
    a=$DF_RUNNER_VERBOSE
    DF_RUNNER_VERBOSE=
    err=0
    [ -d "crates/$1" ] || err=1
    [ -f "crates/$1/apply.sh" ] || err=1
    [ -f "crates/$1/.invalid" ] && err=1
    if [ $err = 1 ]; then
        if [ "${2:-$DF_CRATE_STRICT}" = "1" ]; then
            echo "$1 is an invalid crate"
            exit 1
        else
            return 1
        fi
    fi
    DF_RUNNER_VERBOSE=$a
}

in_crate() {
    crate=$1
    crate_validate $1 0 || return 1
    shift
    DF_RUNNER_WORKDIR="$(pwd)/crates/$crate" ./runner $@
}

crate_applied() {
    crate_validate $1 0 || return 1
    in_crate "$1" [ -f ".installed" ]
}

crate_has_root_apply() {
    crate_validate $1 0 || return 1
    in_crate "$1" [ -f "apply_root.sh" ]
}

crate_has_root_remove() {
    crate_validate $1 0 || return 1
    in_crate "$1" [ -f "remove_root.sh" ]
}

crate_removable() {
    crate_validate $1 0 || return 1
    in_crate "$1" [ -f "remove.sh" ]
}

crate_info() {
    if ! crate_validate $1 0; then
        printf "%s " "!"
    else
        if crate_applied $1; then
            if crate_removable $1; then
                printf "%s " "+"
            else
                printf "%s " "*"
            fi
        else
            printf "%s " "-"
        fi
    fi
    printf "%s " $1
    crate_removable $1 && printf "[removable] "
    crate_has_root_apply $1 && printf "[has root apply] "
    crate_has_root_remove $1 && printf "[has root remove] "
    printf "\n"
}

crate_apply() {
    crate_validate $1 1
    echo "applying crates/$1..."
    in_crate $1 sh apply.sh
}