import pytest
import time
import tomli_w
import os
import json
from pathlib import Path
from src.api_hook_client import ApiHookClient

def test_preset_switching(live_gui):
 client = ApiHookClient()
 
 # Paths for presets
 temp_workspace = Path("tests/artifacts/live_gui_workspace")
 global_presets_path = temp_workspace / "presets.toml"
 project_presets_path = temp_workspace / "project_presets.toml"
 manual_slop_path = temp_workspace / "manual_slop.toml"
 
 # Cleanup before test
 if global_presets_path.exists(): global_presets_path.unlink()
 if project_presets_path.exists(): project_presets_path.unlink()
 
 try:
  # Create a global preset
  global_presets_path.write_text(tomli_w.dumps({
   "presets": {
    "TestGlobal": {
     "system_prompt": "Global Prompt",
     "temperature": 0.7
    }
   }
  }))
  
  # Create a project preset
  project_presets_path.write_text(tomli_w.dumps({
   "presets": {
    "TestProject": {
     "system_prompt": "Project Prompt",
     "temperature": 0.3
    },
    "TestGlobal": { # Override
     "system_prompt": "Overridden Prompt",
     "temperature": 0.5
    }
   }
  }))
  
  # Switch to the local project to ensure context is correct
  client.push_event("custom_callback", {
   "callback": "_switch_project",
   "args": [str(manual_slop_path.absolute())]
  })
  time.sleep(2)
  
  # Trigger reload of presets (just in case)
  client.push_event("custom_callback", {
   "callback": "_refresh_from_project",
   "args": []
  })
  time.sleep(2) # Wait for processing
  
  # Verify where it thinks the project is
  state = client.get_gui_state()
  print(f"DEBUG: ui_files_base_dir={state.get('files_base_dir')}")
  
  # Apply Global Preset (should use override from project if available in merged list)
  client.push_event("custom_callback", {
   "callback": "_apply_preset",
   "args": ["TestGlobal", "global"]
  })
  time.sleep(1)
  
  # Verify state
  state = client.get_gui_state()
  assert state["global_preset_name"] == "TestGlobal"
  assert state["global_system_prompt"] == "Overridden Prompt"
  assert state["temperature"] == 0.5
  
  # Apply Project Preset
  client.push_event("custom_callback", {
   "callback": "_apply_preset",
   "args": ["TestProject", "project"]
  })
  time.sleep(1)
  
  state = client.get_gui_state()
  assert state["project_preset_name"] == "TestProject"
  assert state["project_system_prompt"] == "Project Prompt"
  assert state["temperature"] == 0.3
  # Select "None"
  client.push_event("custom_callback", {
   "callback": "_apply_preset",
   "args": ["None", "global"]
  })
  time.sleep(1)
  state = client.get_gui_state()
  assert not state.get("global_preset_name") # Should be None or ""
  
  # Prompt remains from previous application
  assert state["global_system_prompt"] == "Overridden Prompt"
 finally:
  # Cleanup
  if global_presets_path.exists(): global_presets_path.unlink()
  if project_presets_path.exists(): project_presets_path.unlink()