#!/usr/bin/env python3
"""Generate mpk-mini-sim.pd — MPK Mini Mk II simulator.

Architecture: each key/pad has bng→t b b→msg for note-on, del→msg for note-off.
All msgs connect to a single [netsend -u -b] via send/receive.
Knobs: hsl→msg→[s $0-cc], central [r $0-cc]→netsend.
"""
from pathlib import Path

SCRIPT_DIR = Path(__file__).resolve().parent
OUTPUT = SCRIPT_DIR.parent / "pd" / "mpk-mini-sim.pd"

def connect(c, src, sout, dst, din):
    c.append((src, sout, dst, din))

def Obj(o, x, y, *args):
    idx = len(o)
    o.append((x, y, *args))
    return idx

def gen():
    o, c = [], []

    # ── UDP sender (hardcoded IP — edit the msg box to change) ──
    Obj(o, 10, 10, "loadbang")
    Obj(o, 10, 30, "msg", ";")
    msg_conn = Obj(o, 10, 50, "msg", "connect 192.168.9.167 8081;")

    ns = Obj(o, 10, 80, "netsend", "-u", "-b")
    connect(c, msg_conn, 0, ns, 0)

    Obj(o, 200, 30, "text", "← edit this line to change target IP:port")
    instr = Obj(o, 10, 440, "text", "Click keys to play. Knobs send CC on change. IPS (192.168.9.167:8081)")
    instr2 = Obj(o, 10, 460, "text", "MIDI ch: 144=note-on ch1, 128=note-off ch1, 176=CC ch1")

    # ── Keyboard: C3(48) to C5(72) ──
    keys = [
        ("C3",48),("C#3",49),("D3",50),("D#3",51),("E3",52),
        ("F3",53),("F#3",54),("G3",55),("G#3",56),("A3",57),
        ("A#3",58),("B3",59),
        ("C4",60),("C#4",61),("D4",62),("D#4",63),("E4",64),
        ("F4",65),("F#4",66),("G4",67),("G#4",68),("A4",69),
        ("A#4",70),("B4",71),("C5",72),
    ]

    Obj(o, 20, 120, "text", "-- KEYBOARD --")
    for i, (name, note) in enumerate(keys):
        x = 30 + (i % 13) * 46
        y = 140 + (i // 13) * 60
        Obj(o, x, y, "text", name)
        b = Obj(o, x, y+14, "bng", 15, 25, 0, 1, 0, 0, "empty", f"k{note}", -2,-8,0,10,-262144,-1,-1)
        trig = Obj(o, x, y+44, "t", "b b")
        msg_on = Obj(o, x, y+64, "msg", f"midi 144 {note} 100;")
        msg_off = Obj(o, x, y+82, "msg", f"midi 128 {note} 0;")
        del300 = Obj(o, x, y+100, "del", 300)
        connect(c, b, 0, trig, 0)
        connect(c, trig, 0, msg_on, 0)
        connect(c, msg_on, 0, ns, 0)
        connect(c, trig, 1, del300, 0)
        connect(c, del300, 0, msg_off, 0)
        connect(c, msg_off, 0, ns, 0)

    # ── Pads (C2-G2, notes 36-43) ──
    pads = [("C2",36),("C#2",37),("D2",38),("D#2",39),("E2",40),("F2",41),("F#2",42),("G2",43)]
    Obj(o, 680, 120, "text", "-- PADS --")
    for i, (name, note) in enumerate(pads):
        x = 680 + (i % 4) * 55
        y = 140 + (i // 4) * 55
        Obj(o, x, y, "text", name)
        b = Obj(o, x, y+14, "bng", 15, 15, 0, 1, 0, 0, "empty", f"p{note}", -2,-8,0,10,-262144,-1,-1)
        trig = Obj(o, x, y+32, "t", "b b")
        msg_on = Obj(o, x, y+52, "msg", f"midi 144 {note} 100;")
        msg_off = Obj(o, x, y+70, "msg", f"midi 128 {note} 0;")
        del200 = Obj(o, x, y+88, "del", 200)
        connect(c, b, 0, trig, 0)
        connect(c, trig, 0, msg_on, 0)
        connect(c, msg_on, 0, ns, 0)
        connect(c, trig, 1, del200, 0)
        connect(c, del200, 0, msg_off, 0)
        connect(c, msg_off, 0, ns, 0)

    # ── Knobs (CC 1, 71-77) ──
    knobs = [(1,"Mod",64),(71,"Reson",64),(72,"Release",64),(73,"Attack",64),
             (74,"Cutoff",100),(75,"Decay",64),(76,"LFO Rate",64),(77,"LFO Depth",64)]
    Obj(o, 20, 280, "text", "-- KNOBS --")
    for i, (cc, name, init) in enumerate(knobs):
        x = 30 + i * 85
        y = 300
        Obj(o, x, y, "text", f"CC{cc} {name}")
        hsl = Obj(o, x, y+15, "hsl", 50, 10, 0, 127, init, 0, 0, "empty", f"cc{cc}", -2,-8,0,10,-262144,-1,-1,7200,1)
        msg = Obj(o, x, y+30, "msg", f"midi 176 {cc} $1;")
        connect(c, hsl, 0, msg, 0)
        connect(c, msg, 0, ns, 0)

    # ── Write (Pd format: #X obj for objects, #X msg/text/floatatom/symbol for others) ──
    lines = [
        "#N canvas 0 0 950 490 10;",
        "# DO NOT EDIT — generated by scripts/gen_mpk_sim.py;",
    ]
    obj_types = {"bng","t","del","netsend","loadbang","hsl","comment"}
    for x, y, *args in o:
        etype = args[0]
        rest = args[1:]
        if etype in obj_types:
            # Pd stores GUI objects as: #X obj x y <name> <args>
            name = etype
            if name == "comment": name = "text"  # Pd uses text for comments
            joined = " ".join(str(a) for a in rest)
            lines.append(f"#X obj {x} {y} {name} {joined};")
        else:
            joined = " ".join(str(a) for a in rest)
            lines.append(f"#X {etype} {x} {y} {joined};")
    for src, sout, dst, din in c:
        lines.append(f"#X connect {src} {sout} {dst} {din};")
    lines.append("")
    return "\n".join(lines)

if __name__ == "__main__":
    content = gen()
    OUTPUT.parent.mkdir(parents=True, exist_ok=True)
    OUTPUT.write_text(content)
    print(f"Wrote {OUTPUT}")
    print(f"  {len(content.splitlines())} lines, {content.count('#X obj')} objects, {content.count('#X connect')} connections")