const app = @import("appimgui");
const ig = app.ig;
const ifa = app.ifa;

const spn = @import("imspinner");

//-----------
// gui_main()
//-----------
pub fn gui_main(window: *app.Window) void {
    _ = app.stf.setupFonts(null); // null: Setup default CJK fonts and Icon fonts

    const pio = ig.ImGui_GetIO();
    //---------------
    // main loop GUI
    //---------------
    while (!window.shouldClose()) {
        window.pollEvents();

        // Iconify sleep
        if (window.isIconified()) {
            continue;
        }

        // Start the Dear ImGui frame
        window.frame();

        //------------------
        // Show demo window
        //------------------
        ig.ImGui_ShowDemoWindow(null);

        //------------------------
        // Show ImSpinner demo window
        //------------------------
        {
            _ = ig.ImGui_Begin("ImSpinner demo " ++ ifa.ICON_FA_DOG, null, 0);
            defer ig.ImGui_End();
            spn.demoSpinners(); // Defined by "IMSPINNER_DEMO" in ../build.zig
        }

        //-----------------------
        // Show CImSpinner window
        //-----------------------
        {
            _ = ig.ImGui_Begin("ImSpinner: Dear Bindings in Zig " ++ ifa.ICON_FA_CAT, null, 0);
            defer ig.ImGui_End();
            const red: spn.ImColor = .{ .Value = .{ .x = 1.0, .y = 0.0, .z = 0.0, .w = 1.0 } };
            const cyan: spn.ImColor = .{ .Value = .{ .x = 0.0, .y = 1.0, .z = 1.0, .w = 1.0 } };
            const blue1: spn.ImColor = .{ .Value = .{ .x = 51.0 / 255.0, .y = 153.0 / 255.0, .z = 1.0, .w = 1.0 } };

            // See ../build.zig, if you'd like to add other spinners.
            spn.SpinnerDnaDotsEx("DnaDotsV", 16, 2, blue1, 1.2, 8, 0.25, true);
            spn.ImGui_SameLine(); // Defined by "SPINNER_DNADOTS" in cimspinner_config.h by default
            spn.SpinnerRainbowMix("Rmix", 16, 2, cyan, 2);
            spn.ImGui_SameLine();
            spn.SpinnerAng8("Ang", 16, 2);
            spn.ImGui_SameLine();
            spn.SpinnerPulsar("Pulsar", 16, 2);
            spn.ImGui_SameLine();
            spn.SpinnerClock("Clock", 16, 2);
            spn.ImGui_SameLine();
            spn.SpinnerAtom("atom", 16, 2);
            spn.ImGui_SameLine();
            spn.SpinnerSwingDots("wheel", 16, 6);
            spn.ImGui_SameLine();
            spn.SpinnerDotsToBar("tobar", 16, 2, 0.5);
            spn.ImGui_SameLine();
            spn.SpinnerBarChartRainbow("rainbow", 16, 4, red, 4);
            spn.ImGui_SameLine();
            const st = struct {
                fn genColor(i: i32) callconv(.c) ig.ImColor {
                    return ig.ImColor_HSV(@as(f32, @floatFromInt(i)) * 0.25, 0.8, 0.8, 1.0);
                }
            };
            spn.SpinnerCamera("Camera", 16, 8, @ptrCast(&st.genColor)); // Defined by "SPINNER_CAMERA" in ../build.zig
            ig.ImGui_NewLine();
            ig.ImGui_Text("Application average %.3f ms/frame (%.1f FPS)", 1000.0 / pio.*.Framerate, pio.*.Framerate);
        }

        //------------------
        // Show info window
        //------------------
        window.showInfoWindow(); // See:  ../../src/libzig/appimgui/appImGui.zig

        //--------
        // render
        //--------
        window.render();
    } // end while loop
}

//--------
// main()
//--------
const MainWinWidth: i32 = 1024;
const MainWinHeight: i32 = 900;

pub fn main() !void {
    var window = try app.Window.createImGui(
        MainWinWidth,
        MainWinHeight,
        "Dear ImGui window in Zig",
        .{},
    );
    defer window.destroyImGui();

    _ = window.setTheme(.classic); // Theme: dark, classic, light, microsoft

    //---------------
    // GUI main proc
    //---------------
    gui_main(&window);
}