/* Any copyright is dedicated to the Public Domain.
   http://creativecommons.org/publicdomain/zero/1.0/ */

// Tests that the table widget api works fine

"use strict";

const TEST_URI = "data:text/xml;charset=UTF-8,<?xml version='1.0'?>" +
  "<?xml-stylesheet href='chrome://global/skin/global.css'?>" +

  // Uncomment these lines to help with visual debugging. When uncommented they
  // dump a couple of thousand errors in the log (bug 1258285)
  // "<?xml-stylesheet href='chrome://devtools/skin/light-theme.css'?>" +
  // "<?xml-stylesheet href='chrome://devtools/skin/widgets.css'?>" +

  "<window xmlns='http://www.mozilla.org/keymaster/gatekeeper/there.is.only.xul'" +
  " title='Table Widget' width='600' height='500'>" +
  "<box flex='1' class='theme-light'/></window>";

const {TableWidget} = require("devtools/client/shared/widgets/TableWidget");

add_task(function* () {
  yield addTab("about:blank");
  let [host, , doc] = yield createHost("bottom", TEST_URI);

  let table = new TableWidget(doc.querySelector("box"), {
    initialColumns: {
      col1: "Column 1",
      col2: "Column 2",
      col3: "Column 3",
      col4: "Column 4"
    },
    uniqueId: "col1",
    emptyText: "This is dummy empty text",
    highlightUpdated: true,
    removableColumns: true,
    firstColumn: "col4"
  });

  startTests(doc, table);
  endTests(doc, host, table);
});

function startTests(doc, table) {
  populateTable(doc, table);

  testTreeItemInsertedCorrectly(doc, table);
  testAPI(doc, table);
}

function endTests(doc, host, table) {
  table.destroy();
  host.destroy();
  gBrowser.removeCurrentTab();
  table = null;
  finish();
}

function populateTable(doc, table) {
  table.push({
    col1: "id1",
    col2: "value10",
    col3: "value20",
    col4: "value30"
  });
  table.push({
    col1: "id2",
    col2: "value14",
    col3: "value29",
    col4: "value32"
  });
  table.push({
    col1: "id3",
    col2: "value17",
    col3: "value21",
    col4: "value31",
    extraData: "foobar",
    extraData2: 42
  });
  table.push({
    col1: "id4",
    col2: "value12",
    col3: "value26",
    col4: "value33"
  });
  table.push({
    col1: "id5",
    col2: "value19",
    col3: "value26",
    col4: "value37"
  });
  table.push({
    col1: "id6",
    col2: "value15",
    col3: "value25",
    col4: "value37"
  });
  table.push({
    col1: "id7",
    col2: "value18",
    col3: "value21",
    col4: "value36",
    somethingExtra: "Hello World!"
  });
  table.push({
    col1: "id8",
    col2: "value11",
    col3: "value27",
    col4: "value34"
  });

  let span = doc.createElement("span");
  span.textContent = "domnode";

  table.push({
    col1: "id9",
    col2: "value11",
    col3: "value23",
    col4: span
  });
}

/**
 * Test if the nodes are inserted correctly in the table.
 */
function testTreeItemInsertedCorrectly(doc, table) {
  // double because of splitters
  is(table.tbody.children.length, 4 * 2, "4 columns exist");

  // Test firstColumn option and check if the nodes are inserted correctly
  is(table.tbody.children[0].firstChild.children.length, 9 + 1,
     "Correct rows in column 4");
  is(table.tbody.children[0].firstChild.firstChild.value, "Column 4",
     "Correct column header value");

  for (let i = 1; i < 4; i++) {
    is(table.tbody.children[i * 2].firstChild.children.length, 9 + 1,
       `Correct rows in column ${i}`);
    is(table.tbody.children[i * 2].firstChild.firstChild.value, `Column ${i}`,
       "Correct column header value");
  }
  for (let i = 1; i < 10; i++) {
    is(table.tbody.children[2].firstChild.children[i].value, `id${i}`,
     `Correct value in row ${i}`);
  }

  // Remove firstColumn option and reset the table
  table.clear();
  table.firstColumn = "";
  table.setColumns({
    col1: "Column 1",
    col2: "Column 2",
    col3: "Column 3",
    col4: "Column 4"
  });
  populateTable(doc, table);

  // Check if the nodes are inserted correctly without firstColumn option
  for (let i = 0; i < 4; i++) {
    is(table.tbody.children[i * 2].firstChild.children.length, 9 + 1,
      `Correct rows in column ${i}`);
    is(table.tbody.children[i * 2].firstChild.firstChild.value,
      `Column ${i + 1}`,
      "Correct column header value");
  }

  for (let i = 1; i < 10; i++) {
    is(table.tbody.firstChild.firstChild.children[i].value, `id${i}`,
      `Correct value in row ${i}`);
  }
}

/**
 * Tests if the API exposed by TableWidget works properly
 */
function testAPI(doc, table) {
  info("Testing TableWidget API");
  // Check if selectRow and selectedRow setter works as expected
  // Nothing should be selected beforehand
  ok(!doc.querySelector(".theme-selected"), "Nothing is selected");
  table.selectRow("id4");
  let node = doc.querySelector(".theme-selected");
  ok(!!node, "Somthing got selected");
  is(node.getAttribute("data-id"), "id4", "Correct node selected");

  table.selectRow("id7");
  let node2 = doc.querySelector(".theme-selected");
  ok(!!node2, "Somthing is still selected");
  isnot(node, node2, "Newly selected node is different from previous");
  is(node2.getAttribute("data-id"), "id7", "Correct node selected");

  // test if selectedIRow getter works
  is(table.selectedRow.col1, "id7", "Correct result of selectedRow getter");

  // test if isSelected works
  ok(table.isSelected("id7"), "isSelected with column id works");
  ok(table.isSelected({
    col1: "id7",
    col2: "value18",
    col3: "value21",
    col4: "value36",
    somethingExtra: "Hello World!"
  }), "isSelected with json works");

  table.selectedRow = "id4";
  let node3 = doc.querySelector(".theme-selected");
  ok(!!node3, "Somthing is still selected");
  isnot(node2, node3, "Newly selected node is different from previous");
  is(node3, node, "First and third selected nodes should be same");
  is(node3.getAttribute("data-id"), "id4", "Correct node selected");

  // test if selectedRow getter works
  is(table.selectedRow.col1, "id4", "Correct result of selectedRow getter");

  // test if clear selection works
  table.clearSelection();
  ok(!doc.querySelector(".theme-selected"),
     "Nothing selected after clear selection call");

  // test if selectNextRow and selectPreviousRow work
  table.selectedRow = "id7";
  ok(table.isSelected("id7"), "Correct row selected");
  table.selectNextRow();
  ok(table.isSelected("id8"), "Correct row selected after selectNextRow call");

  table.selectNextRow();
  ok(table.isSelected("id9"), "Correct row selected after selectNextRow call");

  table.selectNextRow();
  ok(table.isSelected("id1"),
     "Properly cycled to first row after selectNextRow call on last row");

  table.selectNextRow();
  ok(table.isSelected("id2"), "Correct row selected after selectNextRow call");

  table.selectPreviousRow();
  ok(table.isSelected("id1"),
    "Correct row selected after selectPreviousRow call");

  table.selectPreviousRow();
  ok(table.isSelected("id9"),
     "Properly cycled to last row after selectPreviousRow call on first row");

  // test if remove works
  ok(doc.querySelector("[data-id='id4']"), "id4 row exists before removal");
  table.remove("id4");
  ok(!doc.querySelector("[data-id='id4']"),
     "id4 row does not exist after removal through id");

  ok(doc.querySelector("[data-id='id6']"), "id6 row exists before removal");
  table.remove({
    col1: "id6",
    col2: "value15",
    col3: "value25",
    col4: "value37"
  });
  ok(!doc.querySelector("[data-id='id6']"),
     "id6 row does not exist after removal through json");

  table.push({
    col1: "id4",
    col2: "value12",
    col3: "value26",
    col4: "value33"
  });
  table.push({
    col1: "id6",
    col2: "value15",
    col3: "value25",
    col4: "value37"
  });

  // test if selectedIndex getter setter works
  table.selectedIndex = 2;
  ok(table.isSelected("id3"), "Correct row selected by selectedIndex setter");

  table.selectedIndex = 4;
  ok(table.isSelected("id5"), "Correct row selected by selectedIndex setter");

  table.selectRow("id8");
  is(table.selectedIndex, 7, "Correct value of selectedIndex getter");

  // testing if clear works
  table.clear();
  // double because splitters
  is(table.tbody.children.length, 4 * 2,
     "4 columns exist even after clear");
  for (let i = 0; i < 4; i++) {
    is(table.tbody.children[i * 2].firstChild.children.length, 1,
      `Only header in the column ${i} after clear call`);
    is(table.tbody.children[i * 2].firstChild.firstChild.value,
      `Column ${i + 1}`,
      "Correct column header value");
  }

  // testing if setColumns work
  table.setColumns({
    col1: "Foobar",
    col2: "Testing"
  });

  // double because splitters
  is(table.tbody.children.length, 2 * 2,
     "2 columns exist after setColumn call");
  is(table.tbody.children[0].firstChild.firstChild.value, "Foobar",
     "Correct column header value for first column");
  is(table.tbody.children[2].firstChild.firstChild.value, "Testing",
     "Correct column header value for second column");

  table.setColumns({
    col1: "Column 1",
    col2: "Column 2",
    col3: "Column 3",
    col4: "Column 4"
  });
  // double because splitters
  is(table.tbody.children.length, 4 * 2,
     "4 columns exist after second setColumn call");

  populateTable(doc, table);

  // testing if update works
  is(doc.querySelectorAll("[data-id='id4']")[1].value, "value12",
     "Correct value before update");
  table.update({
    col1: "id4",
    col2: "UPDATED",
    col3: "value26",
    col4: "value33"
  });
  is(doc.querySelectorAll("[data-id='id4']")[1].value, "UPDATED",
     "Correct value after update");

  // testing if sorting works by calling it once on an already sorted column
  // should sort descending
  table.sortBy("col1");
  for (let i = 1; i < 10; i++) {
    is(table.tbody.firstChild.firstChild.children[i].value, `id${10 - i}`,
     `Correct value in row ${i} after descending sort by on col1`);
  }
  // Calling it on an unsorted column should sort by it in ascending manner
  table.sortBy("col2");
  let cell = table.tbody.children[2].firstChild.children[2];
  checkAscendingOrder(cell);

  // Calling it again should sort by it in descending manner
  table.sortBy("col2");
  cell = table.tbody.children[2].firstChild.lastChild.previousSibling;
  checkDescendingOrder(cell);

  // Calling it again should sort by it in ascending manner
  table.sortBy("col2");
  cell = table.tbody.children[2].firstChild.children[2];
  checkAscendingOrder(cell);

  table.clear();
  populateTable(doc, table);

  // testing if sorting works should sort by ascending manner
  table.sortBy("col4");
  cell = table.tbody.children[6].firstChild.children[1];
  is(cell.textContent, "domnode", "DOMNode sorted correctly");
  checkAscendingOrder(cell.nextSibling);

  // Calling it again should sort it in descending order
  table.sortBy("col4");
  cell = table.tbody.children[6].firstChild.children[9];
  is(cell.textContent, "domnode", "DOMNode sorted correctly");
  checkDescendingOrder(cell.previousSibling);
}

function checkAscendingOrder(cell) {
  while (cell) {
    let currentCell = cell.value || cell.textContent;
    let prevCell = cell.previousSibling.value ||
                   cell.previousSibling.textContent;
    ok(currentCell >= prevCell, "Sorting is in ascending order");
    cell = cell.nextSibling;
  }
}

function checkDescendingOrder(cell) {
  while (cell != cell.parentNode.firstChild) {
    let currentCell = cell.value || cell.textContent;
    let nextCell = cell.nextSibling.value || cell.nextSibling.textContent;
    ok(currentCell >= nextCell, "Sorting is in descending order");
    cell = cell.previousSibling;
  }
}
