if (typeof process !== "undefined") {
    require("./test/mockdom");
}

"use strict";

require("./multi_select");
var assert = require("./test/assertions");
var Range = require("./range").Range;
var Editor = require("./editor").Editor;
var EditSession = require("./edit_session").EditSession;
var MockRenderer = require("./test/mockrenderer").MockRenderer;
var UndoManager = require("./undomanager").UndoManager;

var editor;
var exec = function(name, times, args) {
    do {
        editor.commands.exec(name, editor, args);
    } while(times --> 1);
};
var testRanges = function(str) {
    assert.equal(editor.selection.getAllRanges() + "", str + "");
};
function getSelection(editor) {
    var data = editor.multiSelect.toJSON();
    if (!data.length) data = [data];
    data = data.map(function(x) {
        var a, c;
        if (x.isBackwards) {
            a = x.end;
            c = x.start;
        } else {
            c = x.end;
            a = x.start;
        }
        return Range.comparePoints(a, c) 
            ? [a.row, a.column, c.row, c.column]
            : [a.row, a.column];
    });
    return data.length > 1 ? data : data[0];
}
function testSelection(editor, data) {
    assert.equal(getSelection(editor) + "", data + "");
}
function setSelection(editor, data) {
    if (typeof data[0] == "number")
        data = [data];
    editor.selection.fromJSON(data.map(function(x) {
        var start = {row: x[0], column: x[1]};
        var end = x.length == 2 ? start : {row: x[2], column: x[3]};
        var isBackwards = Range.comparePoints(start, end) > 0;
        return isBackwards ? {
            start: end,
            end: start,
            isBackwards: isBackwards
        } : {
            start: start,
            end: end,
            isBackwards: isBackwards
        };
    }));
}

module.exports = {

    name: "ACE multi_select.js",

    "test: multiselect editing": function() {
        var doc = new EditSession([
            "w1.w2",
            "    wtt.w",
            "    wtt.w"
        ]);
        editor = new Editor(new MockRenderer(), doc);

        editor.navigateFileEnd();
        exec("selectMoreBefore", 3);
        assert.ok(editor.inMultiSelectMode);
        assert.equal(editor.selection.getAllRanges().length, 4);

        var newLine = editor.session.getDocument().getNewLineCharacter();
        var copyText = "wwww".split("").join(newLine);
        assert.equal(editor.getCopyText(), copyText);
        exec("insertstring", 1, "a");
        exec("backspace", 2);
        assert.equal(editor.session.getValue(), "w1.w2\ntt\ntt");
        assert.equal(editor.selection.getAllRanges().length, 4);

        exec("selectall");
        assert.ok(!editor.inMultiSelectMode);
        //assert.equal(editor.selection.getAllRanges().length, 1);
    },

    "test: multiselect navigation": function() {
        var doc = new EditSession([
            "w1.w2",
            "    wtt.w",
            "    wtt.we"
        ]);
        editor = new Editor(new MockRenderer(), doc);

        editor.selectMoreLines(1);
        testRanges("Range: [0/0] -> [0/0],Range: [1/0] -> [1/0]");
        assert.ok(editor.inMultiSelectMode);

        exec("golinedown");
        exec("gotolineend");
        testRanges("Range: [1/9] -> [1/9],Range: [2/10] -> [2/10]");
        exec("selectwordleft");

        testRanges("Range: [1/8] -> [1/9],Range: [2/8] -> [2/10]");
        exec("golinedown", 2);
        assert.ok(!editor.inMultiSelectMode);
    },

    "test: multiselect session change": function() {
        var doc = new EditSession([
            "w1.w2",
            "    wtt.w",
            "    wtt.w"
        ]);
        editor = new Editor(new MockRenderer(), doc);

        editor.selectMoreLines(1);
        testRanges("Range: [0/0] -> [0/0],Range: [1/0] -> [1/0]");
        assert.ok(editor.inMultiSelectMode);

        var doc2 = new EditSession(["w1"]);
        editor.setSession(doc2);
        assert.ok(!editor.inMultiSelectMode);

        editor.setSession(doc);
        assert.ok(editor.inMultiSelectMode);
    },

    "test: multiselect addRange": function() {
        var doc = new EditSession([
            "w1.w2",
            "    wtt.w",
            "    wtt.w"
        ]);
        editor = new Editor(new MockRenderer(), doc);
        var selection = editor.selection;

        var range1 = new Range(0, 2, 0, 4);
        editor.selection.fromOrientedRange(range1);

        var range2 = new Range(0, 3, 0, 4);
        selection.addRange(range2);
        assert.ok(!editor.inMultiSelectMode);
        assert.ok(range2.isEqual(editor.selection.getRange()));

        var range3 = new Range(0, 1, 0, 1);
        selection.addRange(range3);
        assert.ok(editor.inMultiSelectMode);
        testRanges([range3, range2]);

        var range4 = new Range(0, 0, 4, 0);
        selection.addRange(range4);
        assert.ok(!editor.inMultiSelectMode);
    },

    "test: multiselect paste": function() {
        editor = new Editor(new MockRenderer());

        editor.setValue("l1\nl2\nl3", -1);
        editor.selection.selectDown();
        editor.$handlePaste("");
        assert.equal("l2\nl3", editor.getValue());

        editor.setValue("l1\nl2\nl3", -1);
        editor.selectMoreLines(1);
        editor.$handlePaste("x\n");
        assert.equal("x\nl1\nx\nl2\nl3", editor.getValue());
        editor.execCommand("gotolineend");
        editor.$handlePaste("\ny");
        assert.equal("x\nl1\ny\nx\nl2\ny\nl3", editor.getValue());
        
        editor.selectMoreLines(-1);
        editor.$handlePaste("4\n5\n6");
        assert.equal("x\nl1\ny4\nx\nl52\ny6\nl3", editor.getValue());

        editor.$handlePaste("7\n\n8");
        assert.equal("x\nl1\ny47\nx\nl52\ny68\nl3", editor.getValue());
        editor.execCommand("selectleft");
        editor.execCommand("selectleft");
        editor.$handlePaste("t\nz");
        
        assert.equal("x\nl1\nyt\nz\nx\nt\nz2\nyt\nz\nl3", editor.getValue());
        editor.setValue("l1\nl2\nl3", -1);
        editor.selectMoreLines(1);
        editor.selectMoreLines(1);
        editor.$handlePaste("a\nb\nc\nd");
        assert.equal("a\nb\nc\ndl1\na\nb\nc\ndl2\na\nb\nc\ndl3", editor.getValue());
    },
    
    "test: onPaste in command with multiselect": function() {
        var doc = new EditSession(["l1", "l2"]);
        editor = new Editor(new MockRenderer(), doc);
        editor.commands.addCommand({
            name: 'insertfoo',
            exec: function(ed) { ed.onPaste('foo'); },
            multiSelectAction: "forEach"
        });
        var selection = editor.selection;
        var range1 = new Range(0,2,0,2);
        var range2 = new Range(1,2,1,2);
        selection.fromOrientedRange(range1);
        selection.addRange(range2);
        editor.execCommand('insertfoo');
        assert.equal('l1foo\nl2foo', editor.getValue());
    },
    
    "test multiselect move lines": function() {
        editor = new Editor(new MockRenderer());
        
        editor.setValue("l1\nl2\nl3\nl4", -1);
        setSelection(editor, [[0,2],[1,2],[2,2],[3,2]]);
        
        exec("copylinesdown");
        assert.equal(editor.getValue(),"l1\nl1\nl2\nl2\nl3\nl3\nl4\nl4");
        testSelection(editor, [[1,2],[3,2],[5,2],[7,2]]);
        exec("copylinesup");
        assert.equal(editor.getValue(),"l1\nl1\nl1\nl2\nl2\nl2\nl3\nl3\nl3\nl4\nl4\nl4");
        testSelection(editor, [[1,2],[4,2],[7,2],[10,2]]);
        exec("removeline");
        assert.equal(editor.getValue(),"l1\nl1\nl2\nl2\nl3\nl3\nl4\nl4");
        testSelection(editor, [[1,0],[3,0],[5,0],[7,0]]);
        
        setSelection(editor, [[1,2],[1,1,1,0],[3,0,3,1],[5,0,5,1],[7,0,7,1]]);
        exec("copylinesdown");
        exec("copylinesup");
        assert.equal(editor.getValue(),"l1\nl1\nl1\nl1\nl2\nl2\nl2\nl2\nl3\nl3\nl3\nl3\nl4\nl4\nl4\nl4");
        testSelection(editor, [[2,2],[2,1,2,0],[6,0,6,1],[10,0,10,1],[14,0,14,1]]);
        
        exec("movelinesdown", 12);
        assert.equal(editor.getValue(),"l1\nl1\nl1\nl2\nl2\nl2\nl3\nl3\nl3\nl4\nl4\nl4\nl1\nl2\nl3\nl4");
        testSelection(editor, [[12,2],[12,1,12,0],[13,0,13,1],[14,0,14,1],[15,0,15,1]]);
        
        exec("movelinesup", 12);
        assert.equal(editor.getValue(),"l1\nl2\nl3\nl4\nl1\nl1\nl1\nl2\nl2\nl2\nl3\nl3\nl3\nl4\nl4\nl4");
        testSelection(editor, [[0,2],[0,1,0,0],[1,0,1,1],[2,0,2,1],[3,0,3,1]]);
    },

    "test multiselect fromJSON/toJSON": function() {
        var doc = new EditSession(["l1", "l2"]);
        editor = new Editor(new MockRenderer(), doc);
        var selection = editor.selection;
        
        var before = selection.toJSON();
        
        var range1 = new Range(0,2,0,2);
        var range2 = new Range(1,2,1,2);
        selection.fromOrientedRange(range1);
        selection.addRange(range2);
        
        var after = selection.toJSON();
        
        selection.fromJSON(before);
        assert.ok(!selection.isEqual(after));
        assert.ok(selection.isEqual(before));
        
        selection.fromJSON(after);
        assert.ok(!selection.isEqual(before));
        assert.ok(selection.isEqual(after));
    },
    
    "test multiselect align": function() {
        var doc = new EditSession(["l1", "l2", "l3"]);
        doc.setUndoManager(new UndoManager());
        editor = new Editor(new MockRenderer(), doc);
        var selection = editor.selection;
        selection.addRange(new Range(1,0,1,0));
        selection.addRange(new Range(2,2,2,2));
        editor.execCommand("alignCursors");
        assert.equal('  l1\n  l2\nl3', editor.getValue());
        doc.markUndoGroup();
        editor.execCommand("undo");
        assert.equal('l1\nl2\nl3', editor.getValue());
    },
    
    "test multiselect transpose": function() {
        editor = new Editor(new MockRenderer());
        editor.setValue("ay caramba");
        var selection = editor.selection;
        selection.fromJSON([new Range(0,3,0,10), new Range(0,0,0,2)]);
        editor.execCommand("transposeletters");
        assert.equal('caramba ay', editor.getValue());
        editor.execCommand("transposeletters");
        assert.ok(!editor.getSelectionRange().isEmpty());
        assert.equal('ay caramba', editor.getValue());
    },
    
    "test select next": function() {
        editor = new Editor(new MockRenderer());
        editor.setValue("a\na\na", 1);
        editor.execCommand("selectMoreBefore");
        editor.execCommand("selectMoreBefore");
        testSelection(editor, [[0,1,0,0],[1,1,1,0],[2,1,2,0]]);
        assert.equal(editor.session.$highlightLineMarker.start.row, 0);
    },
    
    "test multiSelect delete": function() {
        editor.setValue("\n" + "a\nb\nc/\n".repeat(4), -1);
        exec("selectdown", 4);
        exec("selectleft", 2);
        exec("selectMoreAfter", 3);
        exec("del", 1);
        assert.equal(editor.getValue(), "////\n");
        testSelection(editor, [[0,3],[0,2],[0,1],[0,0]]);
        exec("selectright", 1);
        exec("insertstring", 1, "a");
        assert.equal(editor.getValue(), "aaaa\n");
        testSelection(editor, [[0,4],[0,3],[0,2],[0,1]]);
        
        editor.setValue("w1.w2\n\n    0\n1\n2\n3\n4\n5\n6\n    qwe\n\n\n\n\n\n");
        editor.selection.fromJSON([
            new Range(2,4,9,7),
            new Range(0,3,0,4),
            new Range(0,0,0,1)
        ]);

        editor.session.remove(new Range(4,0,5,0));
        testSelection(editor, [[2,4,8,7],[0,3,0,4],[0,0,0,1]]);
    },
    
    "test splitIntoLines": function() {
        var session = new EditSession(["l1", "l2", "l3"]);
        var selection = session.selection;
        editor = new Editor(new MockRenderer(), session);
        
        selection.moveTo(0, 0);
        selection.selectDown();
        selection.splitIntoLines();
        assert.equal(editor.selection.ranges + "", "Range: [1/0] -> [1/0],Range: [0/0] -> [0/2]", 2);
        selection.selectAll();
        assert.equal(editor.selection.rangeCount, 0);
        
        selection.splitIntoLines();
        assert.equal(editor.selection.rangeCount, 3);
        
        editor.execCommand("gotolineend");
        editor.execCommand("addLineAfter");
        editor.execCommand("insertstring", "x");
        editor.execCommand("selectup");
        editor.execCommand("splitSelectionIntoLines");
        assert.equal(editor.selection.rangeCount, 6);
        assert.equal(editor.selection.cursor.row, 4);
        editor.execCommand("toggleSplitSelectionIntoLines");
        assert.equal(editor.selection.getAllRanges() + "", "Range: [0/1] -> [5/1]");
        
        editor.setValue("");
        assert.equal(editor.selection.inMultiSelectMode, false);
        assert.equal(editor.selection.rangeCount, 0);
    }
};


require("./test/run")(module);