module pyind;

import std.stdio;
import pyd.pyd;
import deimos.python.Python: Py_ssize_t, Py_Initialize;
import pyd.embedded;

shared static this() {
    on_py_init({
            def!(knock, ModuleName!"office",
                Docstring!"a brain specialist works here")();
            add_module!(ModuleName!"office")();
    });
    py_init();

    wrap_class!(Gumby,
        Def!(Gumby.query),
        ModuleName!"office",
        Property!(Gumby.brain_status),
        Property!(Gumby.resolution, Mode!"r"),
    )();
}

void knock() {
    writeln("knock! knock! knock!");
    writeln("BAM! BAM! BAM!");
}

class Gumby {
    void query() {
        writeln("Are you a BRAIN SPECIALIST?");
    }

    string _status;
    void brain_status(string s) {
        _status = s;
    }
    string brain_status() {
        return _status;
    }

    string resolution() {
        return "Well, let's have a look at it, shall we Mr. Gumby?";
    }
}


void main() {
    // simple expressions can be evaluated
    int i = py_eval!int("1+2", "office");
    writeln(i);

    // functions can be defined in D and invoked in Python (see above)
    py_stmts(q"<
        knock()
    >", "office");

    // functions can be defined in Python and invoked in D
    alias py_def!(
        "def holler(a):
            return ' '.join(['Doctor!']*a)",
        "office",
        string function(int)) call_out;

    writeln(call_out(1));
    writeln(call_out(5));

    // classes can be defined in D and used in Python

    auto y = py_eval("Gumby()","office");
    y.method("query");

    // classes can be defined in Python and used in D
    py_stmts(q"<
        class X:
            def __init__(self):
                self.resolution = "NO!"
            def what(self):
                return "Yes, yes I am!"
    >", "office");

    auto x = py_eval("X()","office");
    writeln(x.resolution);
    writeln(x.method("what"));

    py_stmts(q"<
        y = Gumby();
        y.brain_status = "HURTS";
        print ("MY BRAIN %s" % y.brain_status)
        print (y.resolution)
    >","office");
}