-- ## Keybindings ##
-- ~~~~~~~~~~~~~~~~~

-- Requirements :
-- ~~~~~~~~~~~~~~
local awful         = require("awful")
local hotkeys_popup = require("awful.hotkeys_popup")
local revelation    = require("libs.revelation")
local switcher      = require("libs.awesome_switcher")
local gfs           = require "gears".filesystem.get_configuration_dir()

-- vars
-- ~~~~~~~~~

-- modkey
local modkey        = "Mod4"
-- modifer keys
local shift         = "Shift"
local ctrl          = "Control"
local alt           = "Mod1"

-- Default Applications :
--terminal = "alacritty"
terminal            = "kitty"
web_browser         = "librewolf"
editor              = os.getenv("EDITOR") or "nano"
editor_cmd          = terminal .. " -e " .. editor

-- Configurations
-- ~~~~~~~~~~~~~~

-- # Mouse bindings :
awful.mouse.append_global_mousebindings({
    awful.button({}, 3, function() mymainmenu:toggle() end)
})

client.connect_signal("request::default_mousebindings", function()
    awful.mouse.append_client_mousebindings({ awful.button({}, 1, function(c)
        c:activate { context = "mouse_click" }
    end),
        awful.button({ modkey }, 1, function(c)
            c:activate { context = "mouse_click", action = "mouse_move" }
        end),
        awful.button({ modkey }, 3, function(c)
            c:activate { context = "mouse_click", action = "mouse_resize" }
        end),
    })
end)

-- Sloppy focus :
client.connect_signal("mouse::enter", function(c)
    c:activate { context = "mouse_enter", raise = false }
end)

-- # Key bindings :
-- General Awesome keys
awful.keyboard.append_global_keybindings({
    awful.key({ modkey, }, "s", hotkeys_popup.show_help, { description = "show help", group = "awesome" }),
    --awful.key({ modkey, }, "w", function() mymainmenu:show() end, { description = "show main menu", group = "awesome" }),
    awful.key({ modkey, shift }, "r", awesome.restart, { description = "reload awesome", group = "awesome" }),
    awful.key({ modkey, shift }, "q", awesome.quit, { description = "quit awesome", group = "awesome" }),
    awful.key({ modkey, }, "Return", function() awful.spawn(terminal) end, { description = "open a terminal", group = "launcher" }),
    awful.key({ modkey, }, "b", function() awful.spawn(web_browser) end, { description = "Open Web Browser", group = "launcher" }),
    awful.key({ modkey, shift }, "Return", function() awful.spawn("xterm") end, { description = "open a terminal", group = "launcher" }),
    -- awful.key({ modkey }, "p", function() menubar.show() end,
    --	{description = "show the menubar", group = "launcher"}),
})

-- Tags related keybindings
awful.keyboard.append_global_keybindings({
    awful.key({ modkey, }, "Left", awful.tag.viewprev, { description = "view previous", group = "tag" }),
    awful.key({ modkey, }, "Right", awful.tag.viewnext, { description = "view next", group = "tag" }),
    -- awful.key({ modkey, }, "Escape", awful.tag.history.restore, { description = "go back", group = "tag" }),
})

-- Focus related keybindings
awful.keyboard.append_global_keybindings({
    awful.key({ modkey, }, "j", function() awful.client.focus.byidx(1) end, { description = "focus next by index", group = "client" }),
    awful.key({ modkey, }, "k", function() awful.client.focus.byidx( -1) end, { description = "focus previous by index", group = "client" }),
    awful.key({ alt, }, "Tab", function()
        awesome.emit_signal("bling::window_switcher::turn_on")
    end, { description = "Switch tab", group = "client" }),
    --awful.key({ alt, }, "Tab", function()
    --    awful.client.focus.history.previous()
    --    if client.focus then
    --        client.focus:raise()
    --    end
    --end, { description = "go back", group = "client" }),
    --awful.key(
    --    { alt },
    --    'Tab',
    --    function()
    --        switcher.switch(1, "Mod1", "Alt_L", "Shift", "Tab")
    --    end
    --),
    awful.key(
        { alt, shift },
        'Tab',
        function()
            switcher.switch(1, "Mod1", "Alt_L", "Shift", "Tab")
        end
    ),
    awful.key({ modkey, ctrl }, "j", function() awful.screen.focus_relative(1) end, { description = "focus the next screen", group = "screen" }),
    awful.key({ modkey, ctrl }, "k", function() awful.screen.focus_relative( -1) end, { description = "focus the previous screen", group = "screen" }),
    awful.key({ modkey, ctrl }, "n",
        function()
            local c = awful.client.restore()
            -- Focus restored client
            if c then
                c:activate { raise = true, context = "key.unminimize" }
            end
        end, { description = "restore minimized", group = "client" }),
    awful.key(
        { modkey, "Control" },
        "Tab",
        awful.client.movetoscreen,
        { description = "Move focused client to other screen", group = "client" }
    ),
})

-- Layout related keybindings
awful.keyboard.append_global_keybindings({
    awful.key({ modkey, shift }, "j", function() awful.client.swap.byidx(1) end, { description = "swap with next client by index", group = "client" }),
    awful.key({ modkey, shift }, "k", function() awful.client.swap.byidx( -1) end, { description = "swap with previous client by index", group = "client" }),
    awful.key({ modkey, }, "u", awful.client.urgent.jumpto, { description = "jump to urgent client", group = "client" }),
    awful.key({ modkey, }, "l", function() awful.tag.incmwfact(0.05) end, { description = "increase master width factor", group = "layout" }),
    awful.key({ modkey, }, "h", function() awful.tag.incmwfact( -0.05) end, { description = "decrease master width factor", group = "layout" }),
    awful.key({ modkey, shift }, "h", function() awful.tag.incnmaster(1, nil, true) end, { description = "increase the number of master clients", group = "layout" }),
    awful.key({ modkey, shift }, "l", function() awful.tag.incnmaster( -1, nil, true) end, { description = "decrease the number of master clients", group = "layout" }),
    awful.key({ modkey, ctrl }, "h", function() awful.tag.incncol(1, nil, true) end, { description = "increase the number of columns", group = "layout" }),
    awful.key({ modkey, ctrl }, "l", function() awful.tag.incncol( -1, nil, true) end, { description = "decrease the number of columns", group = "layout" }),
    awful.key({ modkey, }, "Tab", function() awful.layout.inc(1) end, { description = "select next", group = "layout" }),
    awful.key(
        { modkey, 'Shift' },
        'w',
        revelation,
        { description = "Overview", group = "layout" }
    ),
    awful.key({ modkey, shift }, "Tab", function() awful.layout.inc( -1) end, { description = "select previous", group = "layout" }),
})

-- Tags related keybindings
awful.keyboard.append_global_keybindings({
    awful.key {
        modifiers   = { modkey },
        keygroup    = "numrow",
        description = "only view tag",
        group       = "tag",
        on_press    = function(index)
            local screen = awful.screen.focused()
            local tag = screen.tags[index]
            if tag then
                tag:view_only()
            end
        end,
    },
    awful.key {
        modifiers   = { modkey, ctrl },
        keygroup    = "numrow",
        description = "toggle tag",
        group       = "tag",
        on_press    = function(index)
            local screen = awful.screen.focused()
            local tag = screen.tags[index]
            if tag then
                awful.tag.viewtoggle(tag)
            end
        end,
    },
    awful.key {
        modifiers   = { modkey, shift },
        keygroup    = "numrow",
        description = "move focused client to tag",
        group       = "tag",
        on_press    = function(index)
            if client.focus then
                local tag = client.focus.screen.tags[index]
                if tag then
                    client.focus:move_to_tag(tag)
                end
            end
        end,
    },
    awful.key {
        modifiers   = { modkey, ctrl, shift },
        keygroup    = "numrow",
        description = "toggle focused client on tag",
        group       = "tag",
        on_press    = function(index)
            if client.focus then
                local tag = client.focus.screen.tags[index]
                if tag then
                    client.focus:toggle_tag(tag)
                end
            end
        end,
    },
    awful.key {
        modifiers   = { modkey },
        keygroup    = "numpad",
        description = "select layout directly",
        group       = "layout",
        on_press    = function(index)
            local t = awful.screen.focused().selected_tag
            if t then
                t.layout = t.layouts[index] or t.layout
            end
        end,
    }
})

-- Media Control :
awful.keyboard.append_global_keybindings({
    -- Volume Keys :
    awful.key({}, "XF86AudioLowerVolume", function() awful.spawn("pactl set-sink-volume @DEFAULT_SINK@ -2%", false) end),
    awful.key({}, "XF86AudioRaiseVolume", function() awful.spawn("pactl set-sink-volume @DEFAULT_SINK@ +2%", false) end),
    awful.key({}, "XF86AudioMute", function() awful.spawn("pactl set-sink-mute @DEFAULT_SINK@ toggle", false) end),

    -- Media Keys :
    awful.key({}, "XF86AudioPlay", function() awful.spawn("playerctl play-pause", false) end),
    awful.key({}, "XF86AudioNext", function() awful.spawn("playerctl next", false) end),
    awful.key({}, "XF86AudioPrev", function() awful.spawn("playerctl previous", false) end),

    -- Brightness Keys :
    awful.key({}, "XF86MonBrightnessUp", function() awful.spawn("brightnessctl set 5%+", false) end),
    awful.key({}, "XF86MonBrightnessDown", function() awful.spawn("brightnessctl set 5%-", false) end),
})

-- Standard program :
awful.keyboard.append_global_keybindings({
    -- File Manager :
    awful.key({ modkey }, "e", function() awful.spawn(string.format("xdg-open .")) end, { description = "file manager", group = "file manager" }),

    -- Screenshots Keys :
    awful.key({}, "Print", function() awful.spawn("screenshot") end, { description = "Maim", group = "screenshot" }),
    awful.key({ modkey }, "Print", function() awful.spawn("screenshot-select") end, { description = "Maim", group = "screenshot" }),

    -- Rofi :
    --awful.key({ modkey }, "d", function() awful.spawn("rofi -show drun -theme ~/.config/rofi/rofi.rasi") end, { description = "rofi launcher", group = "launcher" }),
    --awful.key({ modkey }, "w", function() awful.spawn("rofi -show window -theme ~/.config/rofi/window.rasi") end, { description = "rofi launcher", group = "launcher" }),
    awful.key({ modkey }, "d", function() awful.spawn("rofi -show drun -theme " .. gfs .. "/libs/misc/rofi/config.rasi") end, { description = "rofi launcher", group = "launcher" }),
    awful.key({ modkey }, "w", function() awful.spawn("rofi -show window -theme " .. gfs .. "/libs/misc/rofi/config.rasi") end, { description = "rofi launcher", group = "launcher" }),

    -- Main Menu :
    -- awful.key({ modkey }, "r", function () awful.spawn("rofi -show drun -show-icons -theme ~/.config/awesome/libs/misc/rofi/config.rasi &>> /tmp/rofi.log") end, {description = "rofi launcher", group = "launcher"}),

    -- ClipMenu :
    awful.key({ modkey }, "Insert", function() awful.spawn("clipmenu") end, { description = "clipboard history by rofi/clipmenud", group = "awesome" }),

    -- Center Window :
    awful.key({ modkey }, "y", awful.placement.centered),
    awful.key({ modkey }, "l", function() awful.spawn("betterlockscreen -l") end, { description = "lockscreen", group = "lockscreen" }),

})

-- Systray :
--awful.keyboard.append_global_keybindings({
--	awful.key({ modkey }, "=", function () awful.screen.focused().systray.visible = not awful.screen.focused().systray.visible end, {description = "Toggle systray visibility", group = "custom"})
--})

-- Bar :
awful.keyboard.append_global_keybindings({
    awful.key({ modkey }, "=", function()
        for s in screen do
            s.mywibar.visible = not s.mywibar.visible
        end
    end,
        { description = "toggle wibox", group = "awesome" }),
})

awful.keyboard.append_global_keybindings({
    awful.key({ modkey }, "Escape", function() awesome.emit_signal("sidebar::toggle") end), -- Sidebar
    awful.key({ modkey }, "t", function() awesome.emit_signal("notifications_list::toggle") end), -- Sidebar
    awful.key({ alt }, "t", function() awful.titlebar.toggle(client.focus) end),
})

-- Client :
client.connect_signal("request::default_keybindings", function()
    awful.keyboard.append_client_keybindings({
        awful.key({ modkey, }, "f", function(c)
            c.fullscreen = not c.fullscreen
            c:raise()
        end, { description = "toggle fullscreen", group = "client" }),
        awful.key({ modkey, shift }, "f", function(c)
            c.maximized = not c.maximized
            c:raise()
        end, { description = "toggle maximized", group = "client" }),
        awful.key({ modkey }, "c", function(c) c:kill() end, { description = "close", group = "client" }),
        awful.key({ modkey }, "space", awful.client.floating.toggle, { description = "toggle floating", group = "client" }),
        awful.key({ modkey, "Control" }, "Return", function(c) c:swap(awful.client.getmaster()) end, { description = "move to master", group = "client" }),
        awful.key({ modkey, }, "o", function(c) c:move_to_screen() end, { description = "move to screen", group = "client" }),
        awful.key({ modkey, }, "t", function(c) c.ontop = not c.ontop end, { description = "toggle keep on top", group = "client" }),
        -- The client currently has the input focus, so it cannot be
        -- minimized, since minimized clients can't have the focus.
        awful.key({ modkey, }, "n", function(c) c.minimized = true end, { description = "minimize", group = "client" }),
        awful.key({ modkey, }, "m", function(c)
            c.maximized = not c.maximized
            c:raise()
        end, { description = "(un)maximize", group = "client" }),
        awful.key({ modkey, "Control" }, "m", function(c)
            c.maximized_vertical = not c.maximized_vertical
            c:raise()
        end, { description = "(un)maximize vertically", group = "client" }),
        awful.key({ modkey, shift }, "m", function(c)
            c.maximized_horizontal = not c.maximized_horizontal
            c:raise()
        end, { description = "(un)maximize horizontally", group = "client" }),
    })
end)