// ДЗ: Вложенные декларативные структуры и код в них. Отображение циклических и древовидных структур. Циклы.

// html tree------------------------------------------------------------------------------------------------;

let body = {
  tagName: "body",
  subTags: [
    {
      tagName: "div",
      subTags: [
        {
          tagName: "span",
          text: "Enter a data please:",
        },
        {
          tagName: "br",
        },
        {
          tagName: "input",
          attrs: {
            type: "text",
            id: "name",
          },
        },
        {
          tagName: "input",
          attrs: {
            type: "text",
            id: "surname",
          },
        },
      ],
    },
    {
      tagName: "div",
      subTags: [
        {
          tagName: "button",
          text: "OK",
          attrs: {
            id: "ok",
          },
        },
        {
          tagName: "button",
          text: "cancel",
          attrs: {
            id: "cancel",
          },
        },
      ],
    },
  ],
};

// Текст другої кнопки
console.log(body.subTags[1].subTags[1].text);

// ID другого input
console.log(body.subTags[0].subTags[3].attrs.id);

// declarative fields--------------------------------------------------------------------------------------------------------------------------------------------;

// let clientsCar = {
//   brand: prompt("Enter a brand car"),
//   model: prompt("Enter a model of car"),
//   volume: +prompt("choose volume of your future car"),
//   color: prompt("What color you wish?"),
//   HP: +prompt("Enter horse power what you need"),
// };

// let clientCard = {
//   name: prompt("Enter your name, please"),
//   surname: prompt("Enter your surname, please"),
//   age: +prompt("Enter your age, please"),
//   education: prompt(
//     "enter your educational level (higher education, secondary education, etc."
//   ),
//   gender: prompt("choose your gender: man, woman"),
//   sallery: +prompt("what is your annual income?"),
// };

// let noteOfDream = {
//   brand: prompt("what brand of laptop would you like?"),
//   model: prompt("select laptop model "),
//   CPU: prompt("select the CPU"),
//   GPU: prompt("choose graphics: built-in or discrete "),
//   GPU_memory: +prompt(
//     "if you chose discrete graphics, select the amount of video memory you want "
//   ),
//   display: {
//     width: +prompt("enter width of resolution"),
//     height: +prompt("enter height of resolution"),
//     refresh_rate: prompt("What level of screen refresh is right for you?"),
//   },
//   storage: {
//     type: prompt("SSD or HDD"),
//     volume: +prompt("How many Gb you need?"),
//   },
// };

// object links---------------------------------------------------------------------------------------------;

let clientsCar = {
  brand: prompt("Enter a brand car"),
  model: prompt("Enter a model of car"),
  volume: +prompt("choose volume of your future car"),
  color: prompt("What color you wish?"),
  HP: +prompt("Enter horse power what you need"),
};

let clientCard = {
  name: prompt("Enter your name, please"),
  surname: prompt("Enter your surname, please"),
  age: +prompt("Enter your age, please"),
  education: prompt(
    "enter your educational level (higher education, secondary education, etc."
  ),
  gender: prompt("choose your gender: man, woman"),
  sallery: +prompt("what is your annual income?"),
};

let noteOfDream = {
  brand: prompt("what brand of laptop would you like?"),
  model: prompt("select laptop model "),
  CPU: prompt("select the CPU"),
  GPU: prompt("choose graphics: built-in or discrete "),
  GPU_memory: +prompt(
    "if you chose discrete graphics, select the amount of video memory you want "
  ),
  display: {
    width: +prompt("enter width of resolution"),
    height: +prompt("enter height of resolution"),
    refresh_rate: prompt("What level of screen refresh is right for you?"),
  },
  storage: {
    type: prompt("SSD or HDD"),
    volume: +prompt("How many Gb you need?"),
  },
};

clientsCar.owner = clientCard.name;

clientCard.car = clientsCar.brand;
clientCard.notebook = noteOfDream.brand;

console.log(clientsCar);
console.log(clientCard);
console.log(noteOfDream);

// imperative array fill 3----------------------------------------------------------------------------------;

// let foodList = [
//   prompt("Enter 1 product in list"),
//   prompt("Enter 1 product in list"),
//   prompt("Enter 1 product in list"),
// ];

// while confirm--------------------------------------------------------------------------------------------;

// let userConfirm;

// do {
//   userConfirm = confirm("Do you want buy anything?");
//   console.log(userConfirm);
// } while (userConfirm == false);

// array fill-----------------------------------------------------------------------------------------------;

// let productsList = [];

// do {
//   userChoice = prompt("What you must buy in shop?");
//   productsList.push(userChoice);
//   console.log(productsList);
// } while (userChoice !== null);

// array fill nopush----------------------------------------------------------------------------------------;

// let productsList = [];
// let userChoice;

// for (i = 0; userChoice !== null; i++) {
//   userChoice = prompt("What you must buy in shop?");
//   productsList[i] = userChoice;
//   console.log(productsList);
// }

// infinite probability-------------------------------------------------------------------------------------;

// for (let i = 0; true; i++)
//   if (Math.random() > 0.9) {
//     alert(++i);

//     break;
//   }

// empty loop-----------------------------------------------------------------------------------------------;

while (prompt() === null);

// progression sum------------------------------------------------------------------------------------------;

// function fn(n) {
//   for (let s = (i = 1); i < n; s += i += 3) {}
//   return s;
// }

// alert(fn(7));

// chess online-------------------------------------------------------------------------------------------;

// let str = "";

// for (i = 0; i <= 10; i++) {
//   str += " " + "#";
// }

// console.log(str);

// numbers--------------------------------------------------------------------------------------------------;

// let numbers = "";
// for (j = 0; j <= 9; j++) {
//   numbers += "\n";
//   for (i = 0; i <= 9; i++) {
//     numbers += i;
//   }
// }
// console.log(numbers);

// chess----------------------------------------------------------------------------------------------------;

// const dot = ".";
// const tag = "#";
// let res = "";

// for (let i = 0; i < 10; i++) {
//   let str = "";
//   for (let j = 0; j < 12; j++) {
//     str += (i + j) & 1 ? tag : dot;
//   }
//   res += str + "\n";
// }

// console.log(res);

// cubes----------------------------------------------------------------------------------------------------;

let cubes = [];
let n = 100;

for (i = 0; i < n; i++) {
  cubes.push(i ** 3);
}
console.log(cubes);

// multiply table-------------------------------------------------------------------------------------------;

let multiplication = Array(11);
for (let i = 0; i < 11; i++) {
  multiplication[i] = [...Array(11)].map((_, j) => i * j);
}

console.log(multiplication);

// matrix to html table-------------------------------------------------------------------------------------;

document.write("<style>td, caption {font-family: arial}</style>");

document.write('<table align="center" bgcolor="7ffa92" ');
document.write('cellspacing="0" cellpadding="4" ');
document.write('border="2" style="border-collapse: collapse">');

document.write(
  "<caption><p><b>Multiplication table in decimal system</caption></b>"
);

for (let row = 0; row <= 10; row++) {
  document.write("<tr>");
  for (let col = 0; col <= 10; col++) {
    if (row == 0 || col == 0) {
      codeTD = '<td align="center" width="4%" bgcolor="b1c4b4">';
      if (row == col) {
        codeContent = "<b>&#" + "215;</b>";
      } else if (row == 0) {
        codeContent = "<b>" + col + "</b>";
      } else if (col == 0) {
        codeContent = "<b>" + row + "</b>";
      }
    } else {
      codeTD = '<td align="center">';
      if (row == col) {
        codeContent = "<b>" + row * col + "</b>";
      } else {
        codeContent = row * col;
      }
    }
    document.write(codeTD + codeContent + "</td>");
  }
  document.write("</tr>");
}

document.write("<table>");

// Задание на синий пояс: Треугольник-----------------------------------------------------------------------;

let lines = (line = 6),
  a = ".",
  b = "#";
for (; line-- > 0; ) {
  console.log(
    Array(line + 1).join(a) +
      Array(2 * (lines - line)).join(b) +
      Array(line + 1).join(a)
  );
}