{
 "cells": [
  {
   "cell_type": "code",
   "execution_count": 1,
   "id": "filled-multiple",
   "metadata": {},
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "The root path: /Users/xuanyidong/Desktop/AutoDL-Projects\n",
      "The library path: /Users/xuanyidong/Desktop/AutoDL-Projects/lib\n"
     ]
    }
   ],
   "source": [
    "import os, sys\n",
    "import torch\n",
    "from pathlib import Path\n",
    "import numpy as np\n",
    "import matplotlib\n",
    "from matplotlib import cm\n",
    "matplotlib.use(\"agg\")\n",
    "import matplotlib.pyplot as plt\n",
    "import matplotlib.ticker as ticker\n",
    "\n",
    "\n",
    "__file__ = os.path.dirname(os.path.realpath(\"__file__\"))\n",
    "root_dir = (Path(__file__).parent / \"..\").resolve()\n",
    "lib_dir = (root_dir / \"lib\").resolve()\n",
    "print(\"The root path: {:}\".format(root_dir))\n",
    "print(\"The library path: {:}\".format(lib_dir))\n",
    "assert lib_dir.exists(), \"{:} does not exist\".format(lib_dir)\n",
    "if str(lib_dir) not in sys.path:\n",
    "    sys.path.insert(0, str(lib_dir))\n",
    "\n",
    "from datasets import SynAdaptiveEnv\n",
    "from xlayers.super_core import SuperMLPv1"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 2,
   "id": "supreme-basis",
   "metadata": {},
   "outputs": [],
   "source": [
    "def optimize_fn(xs, ys, test_sets):\n",
    "    xs = torch.FloatTensor(xs).view(-1, 1)\n",
    "    ys = torch.FloatTensor(ys).view(-1, 1)\n",
    "    \n",
    "    model = SuperMLPv1(1, 10, 1, torch.nn.ReLU)\n",
    "    optimizer = torch.optim.Adam(\n",
    "        model.parameters(),\n",
    "        lr=0.01, weight_decay=1e-4, amsgrad=True\n",
    "    )\n",
    "    for _iter in range(100):\n",
    "        preds = model(ys)\n",
    "\n",
    "        optimizer.zero_grad()\n",
    "        loss = torch.nn.functional.mse_loss(preds, ys)\n",
    "        loss.backward()\n",
    "        optimizer.step()\n",
    "        \n",
    "    with torch.no_grad():\n",
    "        answers = []\n",
    "        for test_set in test_sets:\n",
    "            test_set = torch.FloatTensor(test_set).view(-1, 1)\n",
    "            preds = model(test_set).view(-1).numpy()\n",
    "            answers.append(preds.tolist())\n",
    "    return answers\n",
    "\n",
    "def f(x):\n",
    "    return np.cos( 0.5 * x + 0.)\n",
    "\n",
    "def get_data(mode):\n",
    "    dataset = SynAdaptiveEnv(mode=mode)\n",
    "    times, xs, ys = [], [], []\n",
    "    for i, (_, t, x) in enumerate(dataset):\n",
    "        times.append(t)\n",
    "        xs.append(x)\n",
    "    dataset.set_transform(f)\n",
    "    for i, (_, _, y) in enumerate(dataset):\n",
    "        ys.append(y)\n",
    "    return times, xs, ys\n",
    "\n",
    "def visualize_syn(save_path):\n",
    "    save_dir = (save_path / '..').resolve()\n",
    "    save_dir.mkdir(parents=True, exist_ok=True)\n",
    "    \n",
    "    dpi, width, height = 40, 2000, 900\n",
    "    figsize = width / float(dpi), height / float(dpi)\n",
    "    LabelSize, LegendFontsize, font_gap = 40, 40, 5\n",
    "    \n",
    "    fig = plt.figure(figsize=figsize)\n",
    "    \n",
    "    times, xs, ys = get_data(None)\n",
    "    \n",
    "    def draw_ax(cur_ax, xaxis, yaxis, xlabel, ylabel,\n",
    "                alpha=0.1, color='k', linestyle='-', legend=None, plot_only=False):\n",
    "        if legend is not None:\n",
    "            cur_ax.plot(xaxis[:1], yaxis[:1], color=color, label=legend)\n",
    "        cur_ax.plot(xaxis, yaxis, color=color, linestyle=linestyle, alpha=alpha, label=None)\n",
    "        if not plot_only:\n",
    "            cur_ax.set_xlabel(xlabel, fontsize=LabelSize)\n",
    "            cur_ax.set_ylabel(ylabel, rotation=0, fontsize=LabelSize)\n",
    "            for tick in cur_ax.xaxis.get_major_ticks():\n",
    "                tick.label.set_fontsize(LabelSize - font_gap)\n",
    "                tick.label.set_rotation(10)\n",
    "            for tick in cur_ax.yaxis.get_major_ticks():\n",
    "                tick.label.set_fontsize(LabelSize - font_gap)\n",
    "    \n",
    "    cur_ax = fig.add_subplot(2, 1, 1)\n",
    "    draw_ax(cur_ax, times, xs, \"time\", \"x\", alpha=1.0, legend=None)\n",
    "\n",
    "    cur_ax = fig.add_subplot(2, 1, 2)\n",
    "    draw_ax(cur_ax, times, ys, \"time\", \"y\", alpha=0.1, legend=\"ground truth\")\n",
    "    \n",
    "    train_times, train_xs, train_ys = get_data(\"train\")\n",
    "    draw_ax(cur_ax, train_times, train_ys, None, None, alpha=1.0, color='r', legend=None, plot_only=True)\n",
    "    \n",
    "    valid_times, valid_xs, valid_ys = get_data(\"valid\")\n",
    "    draw_ax(cur_ax, valid_times, valid_ys, None, None, alpha=1.0, color='g', legend=None, plot_only=True)\n",
    "    \n",
    "    test_times, test_xs, test_ys = get_data(\"test\")\n",
    "    draw_ax(cur_ax, test_times, test_ys, None, None, alpha=1.0, color='b', legend=None, plot_only=True)\n",
    "    \n",
    "    # optimize MLP models\n",
    "    [train_preds, valid_preds, test_preds] = optimize_fn(train_xs, train_ys, [train_xs, valid_xs, test_xs])\n",
    "    draw_ax(cur_ax, train_times, train_preds, None, None,\n",
    "            alpha=1.0, linestyle='--', color='r', legend=\"MLP\", plot_only=True)\n",
    "    draw_ax(cur_ax, valid_times, valid_preds, None, None,\n",
    "            alpha=1.0, linestyle='--', color='g', legend=None, plot_only=True)\n",
    "    draw_ax(cur_ax, test_times, test_preds, None, None,\n",
    "            alpha=1.0, linestyle='--', color='b', legend=None, plot_only=True)\n",
    "\n",
    "    plt.legend(loc=1, fontsize=LegendFontsize)\n",
    "\n",
    "    fig.savefig(save_path, dpi=dpi, bbox_inches=\"tight\", format=\"pdf\")\n",
    "    plt.close(\"all\")\n",
    "    # plt.show()"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 3,
   "id": "shared-envelope",
   "metadata": {},
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "The Desktop is at: /Users/xuanyidong/Desktop\n"
     ]
    }
   ],
   "source": [
    "# Visualization\n",
    "home_dir = Path.home()\n",
    "desktop_dir = home_dir / 'Desktop'\n",
    "print('The Desktop is at: {:}'.format(desktop_dir))\n",
    "visualize_syn(desktop_dir / 'tot-synthetic-v0.pdf')"
   ]
  }
 ],
 "metadata": {
  "kernelspec": {
   "display_name": "Python 3",
   "language": "python",
   "name": "python3"
  },
  "language_info": {
   "codemirror_mode": {
    "name": "ipython",
    "version": 3
   },
   "file_extension": ".py",
   "mimetype": "text/x-python",
   "name": "python",
   "nbconvert_exporter": "python",
   "pygments_lexer": "ipython3",
   "version": "3.8.8"
  }
 },
 "nbformat": 4,
 "nbformat_minor": 5
}