const std = @import("std");
const term = @import("term.zig");
const borders = @import("borders.zig");
const pane = @import("pane.zig");
const color = @import("colors.zig");
const dim = @import("dimensions.zig");
const menu = @import("menu.zig");
const btn = @import("button.zig");
const log = @import("log.zig");
const line = @import("line.zig");
const tabs = @import("tabs.zig");
const stack = @import("stack.zig");

var term_io: term.TermIO = undefined;
var side_menu: menu.Menu = undefined;
var m: menu.Menu = undefined;

pub fn panic(msg: []const u8, error_return_trace: ?*std.builtin.StackTrace, ret_addr: ?usize) noreturn {
    pane.cleanup(&term_io);
    std.builtin.default_panic(msg, error_return_trace, ret_addr);
}

fn on_click() void {
    log.debug("Button was pressed", .{});
}

fn on_side_select(item: usize) void {
    log.debug("Side menu: Item {d} was selected", .{item});
    if (item == 0) {
        pane.focus(&m.pane, &term_io);
    }
}

fn on_select(item: usize) void {
    log.debug("Main menu: Item {d} was selected", .{item});
    if (item == 0) {
        pane.focus(&side_menu.pane, &term_io);
    }
}

pub fn main() !void {
    try log.init("panes.log", .Debug);
    defer log.deinit();

    const stdin = std.io.getStdIn().reader();
    var stdout = std.io.bufferedWriter(std.io.getStdOut().writer().any());
    term_io = try term.getTermIO(stdin.any(), stdout.writer());

    var top: stack.Stack = undefined;
    var child: stack.Stack = undefined;
    var button: btn.Button = undefined;
    var tabbar: tabs.TabBar = undefined;
    var lineV: line.VerticalLine = undefined;
    var lineH: line.HorizontalLine = undefined;

    var items = [_]menu.MenuItem{ .{ .name = "Item 1" }, .{ .name = "Item ab" } };
    var items2 = [_]menu.MenuItem{ .{ .name = "Item 1" }, .{ .name = "Item ab" } };
    var tabs_ = [_]tabs.Tab{ .{ .name = "Tab 1", .pane = &side_menu.pane }, .{ .name = "Tab 2", .pane = &child.pane }, .{ .name = "Tab 3", .pane = &child.pane }, .{ .name = "Tab 4", .pane = &child.pane }, .{ .name = "Tab 5", .pane = &child.pane } };

    const gray = color.RGB(80, 80, 80);
    const green = color.RGB(0, 255, 0);
    const s = pane.Style{ .background = gray, .foreground = green };
    const sb = pane.Style{ .border = borders.BoldBorder, .background = gray, .foreground = green };

    _ = stack.Stack.create(&top, .{ .direction = .Horizontal, .style = sb }, &[_]stack.StackedPane{
        .{
            .pane = menu.Menu.create(&side_menu, .{ .title = "Menu", .style = s, .align_text = .Center, .expand_highlight = true, .on_select = on_side_select }, &items2),
            .dimensions = .{ .width = .{ .type = .Fill, .value = 1 }, .height = .{ .type = .Fill, .value = 100 } },
        },
        .{ .pane = line.VerticalLine.create(&lineV, .{ .border = borders.BoldBorder, .style = s }), .dimensions = .{ .width = .{ .type = .Absolute, .value = 1 }, .height = .{ .type = .Fill, .value = 100 } } },
        .{
            .pane = stack.Stack.create(&child, .{ .direction = .Vertical, .style = sb }, &[_]stack.StackedPane{
                .{
                    .pane = tabs.TabBar.create(&tabbar, .{ .highlight_color = color.RGB(0, 125, 0), .style = .{ .background = gray } }, &tabs_),
                    .dimensions = .{ .width = .{ .type = .Fill, .value = 100 }, .height = .{ .type = .Absolute, .value = 1 } },
                },
                .{
                    .pane = menu.Menu.create(&m, .{ .title = "Test", .style = s, .align_text = .Left, .expand_highlight = true, .on_select = on_select }, &items),
                    .dimensions = .{ .width = .{ .type = .Fill, .value = 100 }, .height = .{ .type = .Fill, .value = 1 } },
                },
                .{ .pane = line.HorizontalLine.create(&lineH, .{ .border = borders.BoldBorder, .style = s }), .dimensions = .{ .width = .{ .type = .Fill, .value = 100 }, .height = .{ .type = .Absolute, .value = 1 } } },
                .{
                    .pane = btn.Button.create(&button, .{ .text = "<Button>", .style = s, .callback = on_click }),
                    .dimensions = .{ .width = .{ .type = .Absolute, .value = 8 }, .height = .{ .type = .Absolute, .value = 1 } },
                },
            }),
            .dimensions = .{ .width = .{ .type = .Fill, .value = 9 }, .height = .{ .type = .Fill, .value = 100 } },
        },
    });

    pane.set_layout(&top.pane, &m.pane);
    try pane.init(&term_io);
    defer pane.cleanup(&term_io);

    while (!pane.should_exit.load(.acquire)) {
        try pane.tick(&term_io);
    }
}