import os, json, tempfile, shutil
import pytest
from battleflow import create_app
from battleflow.state import STATE
from battleflow.storage import ensure_default_icons, load_state

TOKEN = "testtoken"

@pytest.fixture(autouse=True)
def isolated_data(tmp_path, monkeypatch):
    # fresh state for each test
    data_dir = tmp_path / "bfdata"
    data_dir.mkdir()
    monkeypatch.setenv("BATTLEFLOW_DATA_DIR", str(data_dir))
    monkeypatch.setenv("BATTLEFLOW_TOKEN", TOKEN)
    # reset STATE
    STATE.actors.clear(); STATE.turn_idx=0; STATE.round=1; STATE.visible=True; STATE.dead_mode='normal'
    app = create_app()
    with app.app_context():
        ensure_default_icons()
        load_state(STATE)
    yield app

@pytest.fixture
def client(isolated_data):
    isolated_data.testing = True
    return isolated_data.test_client()

def url(p):
    sep = "&" if "?" in p else "?"
    return f"{p}{sep}token={TOKEN}"

def test_state_empty(client):
    r = client.get(url("/api/state?since=0"))
    assert r.status_code == 200
    data = r.get_json()
    assert data["actors"] == []
    assert data["round"] == 1

def test_add_and_cycle(client):
    # add one actor
    r = client.post(url("/api/add"), json={"name":"A","init":15,"type":"pc","hp":10,"ac":14})
    assert r.status_code == 200
    # state should include it
    r = client.get(url("/api/state?since=0"))
    s = r.get_json()
    assert len(s["actors"]) == 1
    assert s["actors"][0]["name"] == "A"
    # next/prev/visible
    assert client.post(url("/api/next")).status_code == 200
    assert client.post(url("/api/prev")).status_code == 200
    assert client.post(url("/api/toggle_visible")).status_code == 200

def test_effects_and_deadmode(client):
    # add
    r = client.post(url("/api/add"), json={"name":"B","init":12,"type":"npc"})
    aid = r.get_json()["id"]
    # toggle effect
    assert client.post(url("/api/toggle_effect"), json={"id":aid,"effect":"poisoned"}).status_code == 200
    # clear effects
    assert client.post(url("/api/clear_effects"), json={"id":aid}).status_code == 200
    # dead mode
    assert client.post(url("/api/dead_mode"), json={"mode":"shrink"}).status_code == 200
    assert client.post(url("/api/dead_mode"), json={"mode":"hide"}).status_code == 200

def test_presets_and_groups(client):
    # add presets
    p1 = client.post(url("/api/preset/add"), json={"name":"Fighter","type":"pc","hp":30,"ac":18}).get_json()["id"]
    p2 = client.post(url("/api/preset/add"), json={"name":"Goblin","type":"monster","hp":7,"ac":15}).get_json()["id"]
    # apply preset (asks for init)
    client.post(url("/api/preset/apply"), json={"id":p1,"init":14})
    # create group
    g = client.post(url("/api/preset/group/add"), json={"name":"Party","member_ids":[p1,p2]}).get_json()["id"]
    # apply group with single init
    client.post(url("/api/preset/group/apply"), json={"id":g,"init":10})
    # state should have at least 3 actors now
    s = client.get(url("/api/state?since=0")).get_json()
    assert len(s["actors"]) >= 3