let ProductCategoryRow = React.createClass({
  name: "ProductCategoryRow",

  componentDidMount: function () {
    console.log("Component did mountDM", this.name, "State", this.state, "Props", this.props);
  },
  getInitialState: function () {
    console.log("Get Initial State", this.name);
    return null;
  },
  render:  function () {
    return (<tr><th colSpan="2">{this.props.category}</th></tr>);
  }
});

let ProductRow = React.createClass({
  name: "ProductRow",

  componentDidMount: function () {
    console.log("Component did mountDM", this.name, "State", this.state, "Props", this.props);
  },
  getInitialState: function () {
    console.log("Get Initial State", this.name);
    return null;
  },
  render: function () {
    let name = this.props.product.stocked
      ? this.props.product.name
      : <span style={{ color: 'red' }}>{this.props.product.name}</span>;
    return (
      <tr>
        <td>{name}</td>
        <td>{this.props.product.price}</td>
      </tr>
    );
  }
});

let ProductTable = React.createClass({
  name: "ProductTable",
  componentDidMount: function () {
    console.log("Component did mountDM", this.name, "State", this.state, "Props", this.props);
  },
  getInitialState: function () {
    console.log("Get Initial State", this.name);
    return null;
  },
  render: function () {
    let rows = [];
    let lastCategory = null;
    this.props.products.forEach(function (product) {
      // Apply name and stock filters.
      if (product.name.indexOf(this.props.filterText) === -1 || (!product.stocked && this.props.inStockOnly)) {
        return;
      }
      if (product.category !== lastCategory) {
        rows.push(<ProductCategoryRow category={product.category} key={product.category} />);
      }
      rows.push(<ProductRow product={product} key={product.name} />);
      lastCategory = product.category;
    }.bind(this));
    return (
      <table>
        <thead>
          <tr>
            <th>Name</th>
            <th>Price</th>
          </tr>
        </thead>
        <tbody>
        {rows}
        </tbody>
      </table>
    );
  }
});

let SearchBar = React.createClass({
  name: "SearchBar",
  componentDidMount: function () {
    console.log("Component did mountDM", this.name, "State", this.state, "Props", this.props);
  },
  getInitialState: function () {
    console.log("Get Initial State", this.name, "Props", this.props);
    return null;
  },
  render: function () {
    return (
      <form>
        <input type="text" placeholder="Search..." value={this.props.filterText} />
        <p>
          <input type="checkbox" checked={this.props.inStockOnly} />
          {' '}
          Only show products in stock
        </p>
      </form>
    );
  }
});

let FilterableProductTable = React.createClass({
  name: "FilterableProductTable",
  componentDidMount: function () {
    console.log("Component did mountDM", this.name, this.name, "State", this.state, "Props", this.props);
  },
  getInitialState: function () {
    let state = {
      filterText: "ball",
      inStockOnly: true
    };
    console.log("Get Initial State", this.name, state, "Props", this.props);
    return state;
  },
  render: function () {
    return (
      <div>
        <SearchBar
          filterText={this.state.filterText}
          inStockOnly={this.state.inStockOnly}
        />
        <ProductTable
          products={this.props.products}
          filterText={this.state.filterText}
          inStockOnly={this.state.inStockOnly}
        />
      </div>
    );
  }
});

let PRODUCTS = [
  {category: 'Sporting Goods', price: '$49.99', stocked: true, name: 'Football'},
  {category: 'Sporting Goods', price: '$9.99', stocked: true, name: 'Baseball'},
  {category: 'Sporting Goods', price: '$29.99', stocked: false, name: 'Basketball'},
  {category: 'Electronics', price: '$99.99', stocked: true, name: 'iPod Touch'},
  {category: 'Electronics', price: '$399.99', stocked: false, name: 'iPhone 5'},
  {category: 'Electronics', price: '$199.99', stocked: true, name: 'Nexus 7'}
];

ReactDOM.render(
  <FilterableProductTable products={PRODUCTS} />,
  document.getElementById("content")
);