describe("Core htmx Parameter Handling", function() {
    beforeEach(function () {
        this.server = makeServer();
        clearWorkArea();
    });
    afterEach(function () {
        this.server.restore();
        clearWorkArea();
    });

    it('Input includes value', function () {
        var input = make('<input name="foo" value="bar"/>');
        var vals = htmx._('getInputValues')(input).values;
        vals['foo'].should.equal('bar');
    })

    it('Input includes value on get', function () {
        var input = make('<input name="foo" value="bar"/>');
        var vals = htmx._('getInputValues')(input, "get").values;
        vals['foo'].should.equal('bar');
    })

    it('Input includes form', function () {
        var form = make('<form><input id="i1" name="foo" value="bar"/><input id="i2" name="do" value="rey"/></form>');
        var input = byId('i1');
        var vals = htmx._('getInputValues')(input).values;
        vals['foo'].should.equal('bar');
        vals['do'].should.equal('rey');
    })

    it('Input doesnt include form on get', function () {
        var form = make('<form><input id="i1" name="foo" value="bar"/><input id="i2" name="do" value="rey"/></form>');
        var input = byId('i1');
        var vals = htmx._('getInputValues')(input, 'get').values;
        vals['foo'].should.equal('bar');
        should.equal(vals['do'], undefined);
    })

    it('non-input includes form', function () {
        var form = make('<form><div id="d1"/><input id="i2" name="do" value="rey"/></form>');
        var div = byId('d1');
        var vals = htmx._('getInputValues')(div, "post").values;
        vals['do'].should.equal('rey');
    })

    it('non-input doesnt include form on get', function () {
        var form = make('<form><div id="d1"/><input id="i2" name="do" value="rey"/></form>');
        var div = byId('d1');
        var vals = htmx._('getInputValues')(div, "get").values;
        should.equal(vals['do'], undefined);
    })

    it('Basic form works on get', function () {
        var form = make('<form><input id="i1" name="foo" value="bar"/><input id="i2" name="do" value="rey"/></form>');
        var vals = htmx._('getInputValues')(form, 'get').values;
        vals['foo'].should.equal('bar');
        vals['do'].should.equal('rey');
    })

    it('Basic form works on non-get', function () {
        var form = make('<form><input id="i1" name="foo" value="bar"/><input id="i2" name="do" value="rey"/></form>');
        var vals = htmx._('getInputValues')(form, 'post').values;
        vals['foo'].should.equal('bar');
        vals['do'].should.equal('rey');
    })

    it('Double values are included as array', function () {
        var form = make('<form><input id="i1" name="foo" value="bar"/><input id="i2" name="do" value="rey"/><input id="i2" name="do" value="rey"/></form>');
        var vals = htmx._('getInputValues')(form).values;
        vals['foo'].should.equal('bar');
        vals['do'].should.deep.equal(['rey', 'rey']);
    })

    it('Double values are included as array in correct order', function () {
        var form = make('<form><input id="i1" name="foo" value="bar"/><input id="i2" name="do" value="rey1"/><input id="i3" name="do" value="rey2"/></form>');
        var vals = htmx._('getInputValues')(byId("i3")).values;
        vals['foo'].should.equal('bar');
        vals['do'].should.deep.equal(['rey1', 'rey2']);
    })

    it('Double empty values are included as array in correct order', function () {
        var form = make('<form><input id="i1" name="do" value=""/><input id="i2" name="do" value="rey"/><input id="i3" name="do" value=""/></form>');
        var vals = htmx._('getInputValues')(byId("i3")).values;
        vals['do'].should.deep.equal(['', 'rey', '']);
    })

    it('hx-include works with form', function () {
        var form = make('<form id="f1"><input id="i1" name="foo" value="bar"/><input id="i2" name="do" value="rey"/><input id="i2" name="do" value="rey"/></form>');
        var div = make('<div hx-include="#f1"></div>');
        var vals = htmx._('getInputValues')(div).values;
        vals['foo'].should.equal('bar');
        vals['do'].should.deep.equal(['rey', 'rey']);
    })

    it('hx-include works with input', function () {
        var form = make('<form id="f1"><input id="i1" name="foo" value="bar"/><input id="i2" name="do" value="rey"/><input id="i2" name="do" value="rey"/></form>');
        var div = make('<div hx-include="#i1"></div>');
        var vals = htmx._('getInputValues')(div).values;
        vals['foo'].should.equal('bar');
        should.equal(vals['do'], undefined);
    })

    it('hx-include works with two inputs', function () {
        var form = make('<form id="f1"><input id="i1" name="foo" value="bar"/><input id="i2" name="do" value="rey"/><input id="i2" name="do" value="rey"/></form>');
        var div = make('<div hx-include="#i1, #i2"></div>');
        var vals = htmx._('getInputValues')(div).values;
        vals['foo'].should.equal('bar');
        vals['do'].should.deep.equal(['rey', 'rey']);
    })

    it('hx-include works with two inputs, plus form', function () {
        var form = make('<form id="f1"><input id="i1" name="foo" value="bar"/><input id="i2" name="do" value="rey"/><input id="i2" name="do" value="rey"/></form>');
        var div = make('<div hx-include="#i1, #i2, #f1"></div>');
        var vals = htmx._('getInputValues')(div).values;
        vals['foo'].should.equal('bar');
        vals['do'].should.deep.equal(['rey', 'rey']);
    })

    it('correctly URL escapes values', function () {
        htmx._("urlEncode")({}).should.equal("");
        htmx._("urlEncode")({"foo": "bar"}).should.equal("foo=bar");
        htmx._("urlEncode")({"foo": "bar", "do" : "rey"}).should.equal("foo=bar&do=rey");
        htmx._("urlEncode")({"foo": "bar", "do" : ["rey", "blah"]}).should.equal("foo=bar&do=rey&do=blah");
    });

    it('form includes last focused button', function (done) {
        var form = make('<form hx-get="/foo"><input id="i1" name="foo" value="bar"/><input id="i2" name="do" value="rey"/><button id="b1" name="btn" value="bar"></button></form>');
        var input = byId('i1');
        var button = byId('b1');
        // Listen for focusin on form as it'll bubble up from the button, and htmx binds on the form itself
        form.addEventListener("focusin", function () {
            var vals = htmx._('getInputValues')(form).values;
            vals['foo'].should.equal('bar');
            vals['do'].should.equal('rey');
            vals['btn'].should.equal('bar');
            done();
        });
        button.focus();
    })

    it('form includes last focused submit', function (done) {
        var form = make('<form hx-get="/foo"><input id="i1" name="foo" value="bar"/><input id="i2" name="do" value="rey"/><input type="submit" id="s1" name="s1" value="bar"/></form>');
        var input = byId('i1');
        var button = byId('s1');
        // Listen for focusin on form as it'll bubble up from the button, and htmx binds on the form itself
        form.addEventListener("focusin", function () {
            var vals = htmx._('getInputValues')(form).values;
            vals['foo'].should.equal('bar');
            vals['do'].should.equal('rey');
            vals['s1'].should.equal('bar');
            done();
        });
        button.focus();
    })

    it('form does not include button when focus is lost', function () {
        var form = make('<form hx-get="/foo"><input id="i1" name="foo" value="bar"/><input id="i2" name="do" value="rey"/><input type="submit" id="s1" name="s1" value="bar"/></form>');
        var input = byId('i1');
        var button = byId('s1');
        button.focus();
        input.focus();
        var vals = htmx._('getInputValues')(form).values;
        vals['foo'].should.equal('bar');
        vals['do'].should.equal('rey');
        should.equal(vals['s1'], undefined);
    })

    it('form does not include button when focus is lost outside of form', function () {
        var form = make('<form hx-get="/foo"><input id="i1" name="foo" value="bar"/><input id="i2" name="do" value="rey"/><input type="submit" id="s1" name="s1" value="bar"/></form>');
        var anchor = make('<button id="a1"></button>');
        var button = byId('s1');
        button.focus();
        anchor.focus();
        var vals = htmx._('getInputValues')(form).values;
        vals['foo'].should.equal('bar');
        vals['do'].should.equal('rey');
        should.equal(vals['s1'], undefined);
    })

    it('form includes button name and value if button has nested elements when clicked', function () {
        var form = make('<form hx-get="/foo"><input id="i1" name="foo" value="bar"/><button type="submit" id="btn1" name="do" value="rey"><div id="div1"><span id="span1"></span></div></button></form>');
        var nestedElt = byId('span1');
        nestedElt.click();
        var vals = htmx._('getInputValues')(form).values;
        vals['do'].should.equal('rey');
    })

    it('it puts GET params in the URL by default', function () {
        this.server.respondWith("GET", "/test?i1=value", function (xhr) {
            xhr.respond(200, {}, "Clicked!");
        });
        var form = make('<form hx-trigger="click" hx-get="/test"><input name="i1" value="value"/><button id="b1">Click Me!</button></form>');
        form.click();
        this.server.respond();
        form.innerHTML.should.equal("Clicked!");
    });

    it('it puts GET params in the body if methodsThatUseUrlParams is empty', function () {
        this.server.respondWith("GET", "/test", function (xhr) {
            xhr.requestBody.should.equal("i1=value");
            xhr.respond(200, {}, "Clicked!");
        });
        var form = make('<form hx-trigger="click" hx-get="/test"><input name="i1" value="value"/><button id="b1">Click Me!</button></form>');

        try {
            htmx.config.methodsThatUseUrlParams = [];
            form.click();
            this.server.respond();
            form.innerHTML.should.equal("Clicked!");
        } finally {
            htmx.config.methodsThatUseUrlParams = ["get"];
        }
    });

    it('it puts DELETE params in the body by default', function () {
        this.server.respondWith("DELETE", "/test", function (xhr) {
            xhr.requestBody.should.equal("i1=value");
            xhr.respond(200, {}, "Clicked!");
        });
        var form = make('<form hx-trigger="click" hx-delete="/test"><input name="i1" value="value"/><button id="b1">Click Me!</button></form>');
        form.click();
        this.server.respond();
        form.innerHTML.should.equal("Clicked!");
    });

    it('it puts DELETE params in the URL if methodsThatUseUrlParams contains "delete"', function () {
        this.server.respondWith("DELETE", "/test?i1=value", function (xhr) {
            xhr.respond(200, {}, "Clicked!");
        });
        var form = make('<form hx-trigger="click" hx-delete="/test"><input name="i1" value="value"/><button id="b1">Click Me!</button></form>');

        try {
            htmx.config.methodsThatUseUrlParams.push("delete")
            form.click();
            this.server.respond();
            form.innerHTML.should.equal("Clicked!");
        } finally {
            htmx.config.methodsThatUseUrlParams = ["get"];
        }
    });

});