{
 "cells": [
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {},
   "outputs": [],
   "source": [
    "from utils.db import dbconn\n",
    "conn = dbconn('dawndb')\n",
    "import pandas as pd\n",
    "pd.options.display.float_format = \"{:,.2f}\".format\n",
    "df_rates = pd.read_sql_query(\"SELECT date, rate FROM rates where name='FED_FUND'\",\n",
    "                             conn,\n",
    "                             parse_dates=['date'],\n",
    "                             index_col=['date']).sort_index()\n",
    "df_balances = pd.read_sql_query(\"SELECT * FROM strategy_im\",\n",
    "                                conn,\n",
    "                                parse_dates=['date'],\n",
    "                                index_col=['date']).sort_index()\n",
    "df_balances[['broker', 'strategy']] = df_balances[['broker', 'strategy']].astype('category')"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {},
   "outputs": [],
   "source": [
    "drange = pd.date_range(\"2019-05-01\", \"2019-05-31\")\n",
    "df_balances = (df_balances.\n",
    "               groupby([\"broker\", \"strategy\"], group_keys=False).\n",
    "               apply(lambda df: df.reindex(drange, method=\"ffill\")).\n",
    "               dropna())\n",
    "df_balances.index.name='date'\n",
    "df_balances.join(df_rates)"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {},
   "outputs": [],
   "source": [
    "from IPython.display import display\n",
    "\n",
    "def f(df_balances, df_rates, broker, start_date, end_date):\n",
    "    df = (df_balances[df_balances.broker == broker].\n",
    "      set_index(\"strategy\", append=True)[\"amount\"].\n",
    "      unstack(\"strategy\"))\n",
    "    df[df.isnull()] = 0.\n",
    "    drange = pd.date_range(start_date, end_date)\n",
    "    rates = df_rates.reindex(drange, method=\"ffill\").values /100 /360\n",
    "    df = df.reindex(drange, method=\"ffill\") * rates\n",
    "    display(df.sum().to_frame(name='amount'))\n",
    "    print(df.sum().sum())\n",
    "    \n",
    "from functools import partial\n",
    "f_print = partial(f, df_balances, df_rates)"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {},
   "outputs": [],
   "source": [
    "from ipywidgets import widgets, Layout\n",
    "import datetime\n",
    "broker_widget = widgets.Dropdown(\n",
    "    options=df_balances.broker.cat.categories,\n",
    "    value='GS',\n",
    "    description='Broker:',\n",
    "    disabled=False,\n",
    ")\n",
    "start_date = widgets.DatePicker(\n",
    "    description='start:',\n",
    "    disabled=False,\n",
    "    value=datetime.date(2019, 5, 1)\n",
    ")\n",
    "end_date = widgets.DatePicker(\n",
    "    description='end:',\n",
    "    disabled=False,\n",
    "    value=datetime.date(2019, 5, 31)\n",
    ")\n",
    "output = widgets.interactive_output(f_print, {'broker': broker_widget, 'start_date': start_date, 'end_date': end_date})\n",
    "output.layout= Layout(margin='auto auto auto 90px')\n",
    "widgets.VBox([widgets.HBox([broker_widget, start_date, end_date]), output])"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {},
   "outputs": [],
   "source": []
  }
 ],
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