-- See https://wiki.hypr.land/Configuring/Basics/Monitors/
-- List current monitors and supported resolutions with: hyprctl monitors all

local omarchy_gdk_scale = 3
local omarchy_monitor_scale = 3.2

hl.env("GDK_SCALE", tostring(omarchy_gdk_scale))
hl.monitor({ output = "", mode = "preferred", position = "auto", scale = omarchy_monitor_scale })

-- The main external display sits on the left, the laptop panel (eDP-1) to its
-- right; auto-right puts eDP-1 at the external's logical width (2560 for the
-- Studio Display at scale 2, 3440 for the ultrawide at scale 1), or at 0x0
-- when undocked. Apple Studio Display over Thunderbolt, Samsung ultrawide on
-- a USB-C to HDMI cable from the iGPU (DP alt mode, so it shows up as DP-n;
-- matched on EDID, so the connector name doesn't matter).
hl.monitor({ output = "eDP-1", mode = "2560x1600@180", position = "auto-right", scale = 2 })
hl.monitor({ output = "DP-4", mode = "5120x2880@60", position = "0x0", scale = 2 })
hl.monitor({ output = "desc:Samsung Electric Company S34CG50 HNTY501103", mode = "3440x1440@100", position = "0x0", scale = 1 })

-- Configure a specific monitor.
-- hl.monitor({ output = "DP-2", mode = "2560x1440@144", position = "0x0", scale = 1 })

-- Portrait/rotated secondary monitor (transform: 1 = 90°, 3 = 270°).
-- hl.monitor({ output = "DP-2", mode = "preferred", position = "auto", scale = 1, transform = 1 })

-- Main external display: the first of these that is connected. Workspaces
-- 1-4 (hypr/hyprland.lua) and the Wacom tablet (hypr/input.lua) follow it.
-- Entries are Hyprland monitor selectors: a connector name or
-- desc:<EDID description>.
local M = {
  externals = {
    "desc:Apple Computer Inc StudioDisplay 0x984262A7",
    "desc:Samsung Electric Company S34CG50 HNTY501103",
  },
}

-- The connected main external as (selector, monitor), or nil.
function M.external()
  for _, selector in ipairs(M.externals) do
    for _, monitor in ipairs(hl.get_monitors()) do
      if selector == monitor.name or selector == "desc:" .. monitor.description then
        return selector, monitor
      end
    end
  end
end

-- Workspace rules only create persistent workspaces at config load, so a
-- change of main external reloads the config rather than patching rules in
-- place; the reload re-runs every user of M.external() against the new
-- monitor. Omarchy's reload guard skips it mid package update.
local loaded = M.external()
local function reload_on_change()
  if M.external() ~= loaded then
    hl.exec_cmd("omarchy-hyprland-reload-guard paused || hyprctl reload")
  end
end
hl.on("monitor.added", reload_on_change)
hl.on("monitor.removed", reload_on_change)

return M