"""The terminal must cover the real router contract, including form parameters."""
import ast
import json
import re
import shutil
import subprocess
from pathlib import Path

import pytest

ROOT = Path(__file__).resolve().parents[4]
COMMANDS = ROOT / "devplacepy/static/js/GameCommands.js"


def command_specs():
    source = COMMANDS.read_text(encoding="utf-8")
    body = source.split("static API = Object.freeze(", 1)[1].split(");", 1)[0]
    return json.loads(body)


def game_routes():
    routes = {}
    for filename in ("index.py", "farm.py"):
        tree = ast.parse((ROOT / "devplacepy/routers/game" / filename).read_text(encoding="utf-8"))
        for node in tree.body:
            if not isinstance(node, (ast.AsyncFunctionDef, ast.FunctionDef)):
                continue
            for decorator in node.decorator_list:
                if not isinstance(decorator, ast.Call) or not isinstance(decorator.func, ast.Attribute):
                    continue
                if decorator.func.attr in ("get", "post"):
                    routes[(decorator.func.attr.upper(), "/game" + ast.literal_eval(decorator.args[0]))] = node
    return routes


def test_terminal_covers_every_current_game_route():
    exposed = {(spec["method"], spec["path"]) for spec in command_specs()}
    assert exposed == set(game_routes())


def test_terminal_parameters_match_game_form_models():
    models = ast.parse((ROOT / "devplacepy/models/game.py").read_text(encoding="utf-8"))
    fields = {
        node.name: {field.target.id for field in node.body if isinstance(field, ast.AnnAssign)}
        for node in models.body if isinstance(node, ast.ClassDef)
    }
    for spec in command_specs():
        route = game_routes()[(spec["method"], spec["path"])]
        for argument in route.args.args:
            if argument.arg != "data":
                continue
            model = argument.annotation.slice.elts[0].id
            assert set(spec.get("params", {})) | set(spec.get("fixed", {})) == fields[model], spec
        for variable in re.findall(r"\{(\w+)\}", spec["path"]):
            assert variable in spec["args"]


def test_terminal_parser_slots_permissions_and_completion(tmp_path):
    node = shutil.which("node")
    if not node:
        pytest.skip("Node is unavailable; command interactions are also covered in browser tests.")
    # Browsers treat this file as an ES module; Node 18 needs an explicit suffix.
    module = tmp_path / "GameCommands.mjs"
    module.write_bytes(COMMANDS.read_bytes())
    script = r'''
import assert from "node:assert/strict";
const { GameCommands: C } = await import(MODULE_URL);
const farm = {
    is_owner: true, max_plots: 12,
    plots: Array.from({length:12},(_,slot)=>({slot,state:slot%2 ? "ready":"empty"})),
    crops:[{key:"python"},{key:"shell"}], perks:[{key:"growth"}],
    legacy:[{key:"speed"}], mastery:[{key:"analytics"}],
    infrastructure:[{key:"registry"}], cosmetics:[{key:"skin_neon"}],
    quests:[{kind:"plant",scope:"daily"}]
};
const cases = [
    ["plant 1 python","/game/plant",{slot:0,crop:"python"}],
    ["spinup 12 shell","/game/plant",{slot:11,crop:"shell"}],
    ["harvest 12","/game/harvest",{slot:11}],
    ["stop 2","/game/plot/stop",{slot:1,stop:"true"}],
    ["resume 2","/game/plot/stop",{slot:1,stop:"false"}],
    ["buy server","/game/buy-plot",{}], ["ci upgrade","/game/upgrade",{}],
    ["boost 3","/game/fertilize",{slot:2}], ["daily","/game/daily",{}],
    ["grant","/game/grant",{}], ["perk growth","/game/perk",{perk:"growth"}],
    ["refactor","/game/prestige",{}], ["legacy speed","/game/legacy",{key:"speed"}],
    ["mastery analytics","/game/mastery",{key:"analytics"}],
    ["claim plant","/game/quests/claim",{quest:"plant",scope:"daily"}],
    ["claim plant weekly","/game/quests/claim",{quest:"plant",scope:"weekly"}],
    ["defense upgrade","/game/defense/upgrade",{}],
    ["defense downgrade","/game/defense/downgrade",{}],
    ["infra registry","/game/infrastructure/buy",{key:"registry"}],
    ["cosmetic buy skin_neon","/game/cosmetics/buy",{key:"skin_neon"}],
    ["cosmetic equip skin_neon","/game/cosmetics/equip",{key:"skin_neon"}],
    ["water alice 1","/game/farm/alice/water",{slot:0}],
    ["steal alice 12","/game/farm/alice/steal",{slot:11}]
];
for (const [line,url,params] of cases) {
    const parsed=C.parse(line,farm);
    assert.equal(parsed.url,url,line);
    assert.deepEqual(parsed.params,params,line);
}
assert.equal(C.parse("leaderboard",farm).url,"/game/leaderboard?board=score");
assert.equal(C.parse("leaderboard raids",farm).url,"/game/leaderboard?board=raids");
assert.equal(C.parse("view alice",farm).url,"/game/farm/alice");
assert.equal(C.parse("state",farm).url,"/game/state");
assert.equal(C.parse("home",farm).url,"/game");
assert.equal(C.parse("harvest all",farm).bulk,true);
assert.equal(C.parse("server 12",farm).slot,11);
assert.equal(C.parse("legacy",farm).local,"legacy");
assert.deepEqual(C.completions("plant 1 py",farm),["python"]);
assert.deepEqual(C.completions("claim plant w",farm),["weekly"]);
for (const line of ["plant 0 python","harvest 13","harvest 1.5","water ../alice 1","water alice 0","claim plant monthly","leaderboard invalid","perk nonexistent","constructor","__proto__","plant 1 python; alert(1)","harvest 1 extra"]) {
    assert.throws(()=>C.parse(line,farm),undefined,line);
}
assert.throws(()=>C.parse("plant 1 python",{...farm,is_owner:false}),/own rack/);
assert.equal(C.parse("water alice 1",{...farm,is_owner:false}).url,"/game/farm/alice/water");
console.log("Parser, API bindings, 1-based slots, permissions, invalid commands and completion passed.");
'''.replace("MODULE_URL", json.dumps(module.as_uri()))
    result = subprocess.run([node, "--input-type=module"], input=script, text=True, capture_output=True, timeout=15)
    assert result.returncode == 0, result.stdout + result.stderr