"""Config list and editor views."""
from pathlib import Path
from datetime import datetime

from fastapi import APIRouter, Request
from fastapi.responses import HTMLResponse
from fastapi.templating import Jinja2Templates

from app.core.refdata import ReconPatterns, ReconConfigStatus
from app.service.fake_configs import get_fake_configs

router = APIRouter(prefix="", tags=["Config_UI"])

_project_root = Path(__file__).resolve().parents[2]
templates = Jinja2Templates(directory=str(_project_root / "data" / "templates"))

_EDITOR_CONTEXT = {
    "patterns": [p.value for p in ReconPatterns],
    "statuses": [s.value for s in ReconConfigStatus],
    "frequencies": ["Ad Hoc", "Intra Day", "Daily", "Weekly", "Monthly", "Quarterly"],
    "schema_types": ["str", "int", "float", "date", "datetime", "decimal", "bool"],
}


@router.get("/configs", response_class=HTMLResponse)
async def configs_list_view(request: Request):
    now = datetime.now()
    configs = get_fake_configs(now)
    return templates.TemplateResponse(
        request=request,
        name="configs_list.html",
        context={
            "title": "Recon Configs",
            "configs": configs,
        },
    )


@router.get("/configs/new", response_class=HTMLResponse)
async def config_new_view(request: Request):
    return templates.TemplateResponse(
        request=request,
        name="config_editor.html",
        context={
            "title": "New Config",
            "config": None,
            "is_new": True,
            **_EDITOR_CONTEXT,
        },
    )


@router.get("/configs/{reference}/edit", response_class=HTMLResponse)
async def config_edit_view(request: Request, reference: str):
    now = datetime.now()
    configs = get_fake_configs(now)
    config = next((c for c in configs if c.reference == reference), None)
    return templates.TemplateResponse(
        request=request,
        name="config_editor.html",
        context={
            "title": f"Edit — {reference}" if config else "Edit Config",
            "config": config,
            "reference": reference,
            "is_new": False,
            **_EDITOR_CONTEXT,
        },
    )