from __future__ import annotations
import pytest
from unittest.mock import patch, MagicMock

from gui_2 import App


def _make_app(**kwargs):
 app = MagicMock(spec=App)
 app.mma_streams = kwargs.get("mma_streams", {})
 app.mma_tier_usage = kwargs.get("mma_tier_usage", {
  "Tier 1": {"input": 0, "output": 0},
  "Tier 2": {"input": 0, "output": 0},
  "Tier 3": {"input": 0, "output": 0},
  "Tier 4": {"input": 0, "output": 0},
 })
 app.tracks = kwargs.get("tracks", [])
 app.active_track = kwargs.get("active_track", None)
 app.active_tickets = kwargs.get("active_tickets", [])
 app.mma_status = kwargs.get("mma_status", "idle")
 app.active_tier = kwargs.get("active_tier", None)
 app.mma_step_mode = kwargs.get("mma_step_mode", False)
 return app


def _make_imgui_mock():
 m = MagicMock()
 m.begin_table.return_value = False
 m.begin_child.return_value = False
 m.checkbox.return_value = (False, False)
 m.collapsing_header.return_value = False
 m.ImVec2.return_value = MagicMock()
 return m


class TestMMADashboardStreams:

 def test_all_four_tier_headers_rendered(self):
  """collapsing_header must be called for all four tiers (new behaviour)."""
  app = _make_app(mma_streams={
   "Tier 1": "strat",
   "Tier 2 (Tech Lead)": "lead",
   "Tier 3 (Worker): T-001": "work",
   "Tier 4 (QA)": "qa",
  })
  imgui_mock = _make_imgui_mock()
  with patch("gui_2.imgui", imgui_mock):
   App._render_mma_dashboard(app)
  header_args = " ".join(str(c) for c in imgui_mock.collapsing_header.call_args_list)
  assert "Tier 1" in header_args, "collapsing_header not called with 'Tier 1'"
  assert "Tier 2" in header_args, "collapsing_header not called with 'Tier 2'"
  assert "Tier 3" in header_args, "collapsing_header not called with 'Tier 3'"
  assert "Tier 4" in header_args, "collapsing_header not called with 'Tier 4'"

 def test_tier3_aggregates_multiple_worker_streams(self):
  """Tier 3 section must render a sub-header for each worker stream key."""
  app = _make_app(mma_streams={
   "Tier 3 (Worker): T-001": "output1",
   "Tier 3 (Worker): T-002": "output2",
  })
  imgui_mock = _make_imgui_mock()
  imgui_mock.collapsing_header.return_value = True
  imgui_mock.begin_child.return_value = True
  with patch("gui_2.imgui", imgui_mock):
   App._render_mma_dashboard(app)
  text_args = " ".join(str(c) for c in imgui_mock.text.call_args_list)
  assert "T-001" in text_args, "imgui.text not called with 'T-001' worker sub-header"
  assert "T-002" in text_args, "imgui.text not called with 'T-002' worker sub-header"

 def test_old_single_strategy_box_removed(self):
  """input_text_multiline must NOT be called with '##mma_strategy' in the new design."""
  app = _make_app(mma_streams={"Tier 1": "strategy text"})
  imgui_mock = _make_imgui_mock()
  with patch("gui_2.imgui", imgui_mock):
   App._render_mma_dashboard(app)
  for c in imgui_mock.input_text_multiline.call_args_list:
   first_arg = c.args[0] if c.args else None
   assert first_arg != "##mma_strategy", (
    "input_text_multiline called with '##mma_strategy' — old single strategy box must be removed"
   )