#! /bin/sh -e

fail () {
    echo "ERROR: $*" 1>&2
    exit 1
}

case $1:$2:$3 in
    inventory::)
        cat <<EOT
{
    "Puzzles": [1, 2, 3,
4, 5]
}
EOT
        ;;
    puzzle:1:)
        cat <<EOT
{
    "Answers": ["answer1.0"],
    "Authors": ["author1.0"],
    "Body": "<h1>moo.</h1>"
}
EOT
        ;;
    puzzle:*)
        fail "No such puzzle: $2"
        ;;
    file:1:moo.txt)
        echo "Moo."
        ;;
    file:*:*)
        fail "No such file: $2"
        ;;
    answer:1:answer1.0)
        echo -n '{"Correct":true}'
        ;;
    answer:1:*)
        echo '{"Correct":false}'
        ;;
    answer:*:*)
        fail "Fail answer"
        ;;
    *)
        fail "What is $1" 1>&2
        ;;
esac