#include "Renderer.hpp"
#include "../Compositor.hpp"

void renderSurface(struct wlr_surface* surface, int x, int y, void* data) {
    const auto TEXTURE = wlr_surface_get_texture(surface);
    const auto RDATA = (SRenderData*)data;

    if (!TEXTURE)
        return;

    double outputX = 0, outputY = 0;
    wlr_output_layout_output_coords(g_pCompositor->m_sWLROutputLayout, RDATA->output, &outputX, &outputY);

    wlr_box windowBox;
    if (RDATA->surface && surface == RDATA->surface) {
        windowBox = {(int)outputX + RDATA->x + x, (int)outputY + RDATA->y + y, RDATA->w, RDATA->h};
    } else {
        windowBox = {(int)outputX + RDATA->x + x, (int)outputY + RDATA->y + y, surface->current.width, surface->current.height};
    }
    scaleBox(&windowBox, RDATA->output->scale);

    if (RDATA->surface && surface == RDATA->surface)
        g_pHyprOpenGL->renderTextureWithBlur(TEXTURE, &windowBox, RDATA->fadeAlpha * RDATA->alpha, RDATA->dontRound ? 0 : g_pConfigManager->getInt("decoration:rounding"));
    else
        g_pHyprOpenGL->renderTexture(TEXTURE, &windowBox, RDATA->fadeAlpha * RDATA->alpha, RDATA->dontRound ? 0 : g_pConfigManager->getInt("decoration:rounding"));

    wlr_surface_send_frame_done(surface, RDATA->when);

    wlr_presentation_surface_sampled_on_output(g_pCompositor->m_sWLRPresentation, surface, RDATA->output);
}

bool shouldRenderWindow(CWindow* pWindow, SMonitor* pMonitor) {
    wlr_box geometry = {pWindow->m_vRealPosition.vec().x, pWindow->m_vRealPosition.vec().y, pWindow->m_vRealSize.vec().x, pWindow->m_vRealSize.vec().y};

    if (!wlr_output_layout_intersects(g_pCompositor->m_sWLROutputLayout, pMonitor->output, &geometry))
        return false;

    // now check if it has the same workspace
    if (pWindow->m_iWorkspaceID == pMonitor->activeWorkspace)
        return true;

    // if not, check if it maybe is active on a different monitor.
    if (g_pCompositor->isWorkspaceVisible(pWindow->m_iWorkspaceID))
        return true;

    return false;
}

void CHyprRenderer::renderWorkspaceWithFullscreenWindow(SMonitor* pMonitor, CWorkspace* pWorkspace, timespec* time) {
    CWindow* pWorkspaceWindow = nullptr;

    for (auto& w : g_pCompositor->m_lWindows) {
        if (w.m_iWorkspaceID != pWorkspace->m_iID || !w.m_bIsFullscreen)
            continue;

        // found it!
        renderWindow(&w, pMonitor, time, false);

        pWorkspaceWindow = &w;
    }

    // then render windows over fullscreen
    for (auto& w : g_pCompositor->m_lWindows) {
        if (w.m_iWorkspaceID != pWorkspaceWindow->m_iWorkspaceID || !w.m_bCreatedOverFullscreen || !w.m_bIsMapped)
            continue;

        renderWindow(&w, pMonitor, time, true);
    }

    // and the overlay layers
    for (auto& ls : pMonitor->m_aLayerSurfaceLists[ZWLR_LAYER_SHELL_V1_LAYER_OVERLAY]) {
        SRenderData renderdata = {pMonitor->output, time, ls->geometry.x, ls->geometry.y};
        wlr_surface_for_each_surface(ls->layerSurface->surface, renderSurface, &renderdata);
    }

    renderDragIcon(pMonitor, time);

    // if correct monitor draw hyprerror
    if (pMonitor == &g_pCompositor->m_lMonitors.front())
        g_pHyprError->draw();
}

void CHyprRenderer::renderWindow(CWindow* pWindow, SMonitor* pMonitor, timespec* time, bool decorate) {
    if (pWindow->m_bHidden)
        return;

    if (pWindow->m_bFadingOut) {
        g_pHyprOpenGL->renderSnapshot(&pWindow);
        return;
    }

    const auto REALPOS = pWindow->m_vRealPosition.vec();
    SRenderData renderdata = {pMonitor->output, time, REALPOS.x, REALPOS.y};
    renderdata.surface = g_pXWaylandManager->getWindowSurface(pWindow);
    renderdata.w = pWindow->m_vRealSize.vec().x;
    renderdata.h = pWindow->m_vRealSize.vec().y;
    renderdata.dontRound = pWindow->m_bIsFullscreen;
    renderdata.fadeAlpha = pWindow->m_fAlpha.fl();
    renderdata.alpha = pWindow == g_pCompositor->m_pLastWindow ? g_pConfigManager->getFloat("decoration:active_opacity") : g_pConfigManager->getFloat("decoration:inactive_opacity");

    // apply window special data
    renderdata.alpha *= pWindow->m_sSpecialRenderData.alpha;

    wlr_surface_for_each_surface(g_pXWaylandManager->getWindowSurface(pWindow), renderSurface, &renderdata);

    // border
    if (decorate && !pWindow->m_bX11DoesntWantBorders)
        drawBorderForWindow(pWindow, pMonitor, pWindow->m_fAlpha.fl() * renderdata.alpha);

    if (pWindow->m_bIsX11) {
        if (pWindow->m_uSurface.xwayland->surface) {
            wlr_surface_for_each_surface(pWindow->m_uSurface.xwayland->surface, renderSurface, &renderdata);
        }
    }
    else {
        renderdata.dontRound = false; // restore dontround
        renderdata.pMonitor = pMonitor;
        wlr_xdg_surface_for_each_popup_surface(pWindow->m_uSurface.xdg, renderSurface, &renderdata);
    } 
}

void CHyprRenderer::renderAllClientsForMonitor(const int& ID, timespec* time) {
    const auto PMONITOR = g_pCompositor->getMonitorFromID(ID);

    if (!PMONITOR)
        return;

    // Render layer surfaces below windows for monitor
    for (auto& ls : PMONITOR->m_aLayerSurfaceLists[ZWLR_LAYER_SHELL_V1_LAYER_BACKGROUND]) {
        SRenderData renderdata = {PMONITOR->output, time, ls->geometry.x, ls->geometry.y};
        wlr_surface_for_each_surface(ls->layerSurface->surface, renderSurface, &renderdata);
    }
    for (auto& ls : PMONITOR->m_aLayerSurfaceLists[ZWLR_LAYER_SHELL_V1_LAYER_BOTTOM]) {
        SRenderData renderdata = {PMONITOR->output, time, ls->geometry.x, ls->geometry.y};
        wlr_surface_for_each_surface(ls->layerSurface->surface, renderSurface, &renderdata);
    }

    // if there is a fullscreen window, render it and then do not render anymore.
    // fullscreen window will hide other windows and top layers
    const auto PWORKSPACE = g_pCompositor->getWorkspaceByID(PMONITOR->activeWorkspace);

    if (PWORKSPACE->m_bHasFullscreenWindow) {
        renderWorkspaceWithFullscreenWindow(PMONITOR, PWORKSPACE, time);
        return;
    }

    // Non-floating
    for (auto& w : g_pCompositor->m_lWindows) {
        if (!g_pCompositor->windowValidMapped(&w) && !w.m_bFadingOut)
            continue;

        if (w.m_bIsFloating)
            continue;  // floating are in second pass

        if (!shouldRenderWindow(&w, PMONITOR))
            continue;

        // render the bad boy
        renderWindow(&w, PMONITOR, time, true);
    }

    // floating on top
    for (auto& w : g_pCompositor->m_lWindows) {
        if (!g_pCompositor->windowValidMapped(&w) && !w.m_bFadingOut)
            continue;

        if (!w.m_bIsFloating)
            continue;

        if (!shouldRenderWindow(&w, PMONITOR))
            continue;

        // render the bad boy
        renderWindow(&w, PMONITOR, time, true);
    }

    // Render surfaces above windows for monitor
    for (auto& ls : PMONITOR->m_aLayerSurfaceLists[ZWLR_LAYER_SHELL_V1_LAYER_TOP]) {
        SRenderData renderdata = {PMONITOR->output, time, ls->geometry.x, ls->geometry.y};
        wlr_surface_for_each_surface(ls->layerSurface->surface, renderSurface, &renderdata);
    }
    for (auto& ls : PMONITOR->m_aLayerSurfaceLists[ZWLR_LAYER_SHELL_V1_LAYER_OVERLAY]) {
        SRenderData renderdata = {PMONITOR->output, time, ls->geometry.x, ls->geometry.y};
        wlr_surface_for_each_surface(ls->layerSurface->surface, renderSurface, &renderdata);
    }

    renderDragIcon(PMONITOR, time);

    // if correct monitor draw hyprerror
    if (PMONITOR == &g_pCompositor->m_lMonitors.front())
        g_pHyprError->draw();
}

void CHyprRenderer::outputMgrApplyTest(wlr_output_configuration_v1* config, bool test) {
    wlr_output_configuration_head_v1* head;
    bool noError = true;

    wl_list_for_each(head, &config->heads, link) {
        const auto OUTPUT = head->state.output;

        wlr_output_enable(OUTPUT, head->state.enabled);
        if (head->state.enabled) {
            if (head->state.mode)
                wlr_output_set_mode(OUTPUT, head->state.mode);
            else
                wlr_output_set_custom_mode(OUTPUT, head->state.custom_mode.width, head->state.custom_mode.height, head->state.custom_mode.refresh);

            wlr_output_layout_move(g_pCompositor->m_sWLROutputLayout, OUTPUT, head->state.x, head->state.y);
            wlr_output_set_transform(OUTPUT, head->state.transform);
            wlr_output_set_scale(OUTPUT, head->state.scale);
        }

        noError = wlr_output_test(OUTPUT);

        if (!noError)
            break;
    }

    wl_list_for_each(head, &config->heads, link) {
        if (noError && !test)
            wlr_output_commit(head->state.output);
        else
            wlr_output_rollback(head->state.output);
    }

    if (noError)
        wlr_output_configuration_v1_send_succeeded(config);
    else
        wlr_output_configuration_v1_send_failed(config);
    wlr_output_configuration_v1_destroy(config);

    Debug::log(LOG, "OutputMgr Applied/Tested.");
}

// taken from Sway.
// this is just too much of a spaghetti for me to understand
void apply_exclusive(struct wlr_box* usable_area, uint32_t anchor, int32_t exclusive, int32_t margin_top, int32_t margin_right, int32_t margin_bottom, int32_t margin_left) {
    if (exclusive <= 0) {
        return;
    }
    struct {
        uint32_t singular_anchor;
        uint32_t anchor_triplet;
        int* positive_axis;
        int* negative_axis;
        int margin;
    } edges[] = {
        // Top
        {
            .singular_anchor = ZWLR_LAYER_SURFACE_V1_ANCHOR_TOP,
            .anchor_triplet =
                ZWLR_LAYER_SURFACE_V1_ANCHOR_LEFT |
                ZWLR_LAYER_SURFACE_V1_ANCHOR_RIGHT |
                ZWLR_LAYER_SURFACE_V1_ANCHOR_TOP,
            .positive_axis = &usable_area->y,
            .negative_axis = &usable_area->height,
            .margin = margin_top,
        },
        // Bottom
        {
            .singular_anchor = ZWLR_LAYER_SURFACE_V1_ANCHOR_BOTTOM,
            .anchor_triplet =
                ZWLR_LAYER_SURFACE_V1_ANCHOR_LEFT |
                ZWLR_LAYER_SURFACE_V1_ANCHOR_RIGHT |
                ZWLR_LAYER_SURFACE_V1_ANCHOR_BOTTOM,
            .positive_axis = NULL,
            .negative_axis = &usable_area->height,
            .margin = margin_bottom,
        },
        // Left
        {
            .singular_anchor = ZWLR_LAYER_SURFACE_V1_ANCHOR_LEFT,
            .anchor_triplet =
                ZWLR_LAYER_SURFACE_V1_ANCHOR_LEFT |
                ZWLR_LAYER_SURFACE_V1_ANCHOR_TOP |
                ZWLR_LAYER_SURFACE_V1_ANCHOR_BOTTOM,
            .positive_axis = &usable_area->x,
            .negative_axis = &usable_area->width,
            .margin = margin_left,
        },
        // Right
        {
            .singular_anchor = ZWLR_LAYER_SURFACE_V1_ANCHOR_RIGHT,
            .anchor_triplet =
                ZWLR_LAYER_SURFACE_V1_ANCHOR_RIGHT |
                ZWLR_LAYER_SURFACE_V1_ANCHOR_TOP |
                ZWLR_LAYER_SURFACE_V1_ANCHOR_BOTTOM,
            .positive_axis = NULL,
            .negative_axis = &usable_area->width,
            .margin = margin_right,
        },
    };
    for (size_t i = 0; i < sizeof(edges) / sizeof(edges[0]); ++i) {
        if ((anchor == edges[i].singular_anchor || anchor == edges[i].anchor_triplet) && exclusive + edges[i].margin > 0) {
            if (edges[i].positive_axis) {
                *edges[i].positive_axis += exclusive + edges[i].margin;
            }
            if (edges[i].negative_axis) {
                *edges[i].negative_axis -= exclusive + edges[i].margin;
            }
            break;
        }
    }
}

void CHyprRenderer::arrangeLayerArray(SMonitor* pMonitor, const std::list<SLayerSurface*>& layerSurfaces, bool exclusiveZone, wlr_box* usableArea) {
    wlr_box full_area = {pMonitor->vecPosition.x, pMonitor->vecPosition.y, pMonitor->vecSize.x, pMonitor->vecSize.y};

    for (auto& ls : layerSurfaces) {
        const auto PLAYER = ls->layerSurface;
        const auto PSTATE = &PLAYER->current;
        if (exclusiveZone != (PSTATE->exclusive_zone > 0)) {
            continue;
        }

        wlr_box bounds;
        if (PSTATE->exclusive_zone == -1) {
            bounds = full_area;
        } else {
            bounds = *usableArea;
        }

        wlr_box box = {
            .width = PSTATE->desired_width,
            .height = PSTATE->desired_height};
        // Horizontal axis
        const uint32_t both_horiz = ZWLR_LAYER_SURFACE_V1_ANCHOR_LEFT | ZWLR_LAYER_SURFACE_V1_ANCHOR_RIGHT;
        if (box.width == 0) {
            box.x = bounds.x;
        } else if ((PSTATE->anchor & both_horiz) == both_horiz) {
            box.x = bounds.x + ((bounds.width / 2) - (box.width / 2));
        } else if ((PSTATE->anchor & ZWLR_LAYER_SURFACE_V1_ANCHOR_LEFT)) {
            box.x = bounds.x;
        } else if ((PSTATE->anchor & ZWLR_LAYER_SURFACE_V1_ANCHOR_RIGHT)) {
            box.x = bounds.x + (bounds.width - box.width);
        } else {
            box.x = bounds.x + ((bounds.width / 2) - (box.width / 2));
        }
        // Vertical axis
        const uint32_t both_vert = ZWLR_LAYER_SURFACE_V1_ANCHOR_TOP | ZWLR_LAYER_SURFACE_V1_ANCHOR_BOTTOM;
        if (box.height == 0) {
            box.y = bounds.y;
        } else if ((PSTATE->anchor & both_vert) == both_vert) {
            box.y = bounds.y + ((bounds.height / 2) - (box.height / 2));
        } else if ((PSTATE->anchor & ZWLR_LAYER_SURFACE_V1_ANCHOR_TOP)) {
            box.y = bounds.y;
        } else if ((PSTATE->anchor & ZWLR_LAYER_SURFACE_V1_ANCHOR_BOTTOM)) {
            box.y = bounds.y + (bounds.height - box.height);
        } else {
            box.y = bounds.y + ((bounds.height / 2) - (box.height / 2));
        }
        // Margin
        if (box.width == 0) {
            box.x += PSTATE->margin.left;
            box.width = bounds.width -
                        (PSTATE->margin.left + PSTATE->margin.right);
        } else if ((PSTATE->anchor & both_horiz) == both_horiz) {
            // don't apply margins
        } else if ((PSTATE->anchor & ZWLR_LAYER_SURFACE_V1_ANCHOR_LEFT)) {
            box.x += PSTATE->margin.left;
        } else if ((PSTATE->anchor & ZWLR_LAYER_SURFACE_V1_ANCHOR_RIGHT)) {
            box.x -= PSTATE->margin.right;
        }
        if (box.height == 0) {
            box.y += PSTATE->margin.top;
            box.height = bounds.height -
                         (PSTATE->margin.top + PSTATE->margin.bottom);
        } else if ((PSTATE->anchor & both_vert) == both_vert) {
            // don't apply margins
        } else if ((PSTATE->anchor & ZWLR_LAYER_SURFACE_V1_ANCHOR_TOP)) {
            box.y += PSTATE->margin.top;
        } else if ((PSTATE->anchor & ZWLR_LAYER_SURFACE_V1_ANCHOR_BOTTOM)) {
            box.y -= PSTATE->margin.bottom;
        }
        if (box.width <= 0 || box.height <= 0) {
            Debug::log(ERR, "LayerSurface %x has a negative/zero w/h???", ls);
            continue;
        }
        // Apply
        ls->geometry = box;

        apply_exclusive(usableArea, PSTATE->anchor, PSTATE->exclusive_zone, PSTATE->margin.top, PSTATE->margin.right, PSTATE->margin.bottom, PSTATE->margin.left);

        wlr_layer_surface_v1_configure(ls->layerSurface, box.width, box.height);

        Debug::log(LOG, "LayerSurface %x arranged: x: %i y: %i w: %i h: %i with margins: t: %i l: %i r: %i b: %i", &ls, box.x, box.y, box.width, box.height, PSTATE->margin.top, PSTATE->margin.left, PSTATE->margin.right, PSTATE->margin.bottom);
    }
}

void CHyprRenderer::arrangeLayersForMonitor(const int& monitor) {
    const auto PMONITOR = g_pCompositor->getMonitorFromID(monitor);

    if (!PMONITOR)
        return;

    // Reset the reserved
    PMONITOR->vecReservedBottomRight    = Vector2D();
    PMONITOR->vecReservedTopLeft        = Vector2D();

    wlr_box usableArea = {PMONITOR->vecPosition.x, PMONITOR->vecPosition.y, PMONITOR->vecSize.x, PMONITOR->vecSize.y};

    for (auto& la : PMONITOR->m_aLayerSurfaceLists)
        arrangeLayerArray(PMONITOR, la, true, &usableArea);

    for (auto& la : PMONITOR->m_aLayerSurfaceLists)
        arrangeLayerArray(PMONITOR, la, false, &usableArea);

    PMONITOR->vecReservedTopLeft = Vector2D(usableArea.x, usableArea.y) - PMONITOR->vecPosition;
    PMONITOR->vecReservedBottomRight = PMONITOR->vecSize - Vector2D(usableArea.width, usableArea.height) - PMONITOR->vecReservedTopLeft;

    Debug::log(LOG, "Monitor %s layers arranged: reserved: %f %f %f %f", PMONITOR->szName.c_str(), PMONITOR->vecReservedTopLeft.x, PMONITOR->vecReservedTopLeft.y, PMONITOR->vecReservedBottomRight.x, PMONITOR->vecReservedBottomRight.y);
}

void CHyprRenderer::drawBorderForWindow(CWindow* pWindow, SMonitor* pMonitor, float alpha) {
    const auto BORDERSIZE = g_pConfigManager->getInt("general:border_size");

    if (BORDERSIZE < 1)
        return;

    auto BORDERCOL = pWindow->m_cRealBorderColor.col();
    BORDERCOL.a *= (alpha / 255.f);

    Vector2D correctPos = pWindow->m_vRealPosition.vec() - pMonitor->vecPosition;
    Vector2D correctSize = pWindow->m_vRealSize.vec();

    // top
    wlr_box border = {correctPos.x - BORDERSIZE / 2.f, correctPos.y - BORDERSIZE / 2.f, pWindow->m_vRealSize.vec().x + BORDERSIZE, pWindow->m_vRealSize.vec().y + BORDERSIZE};
    g_pHyprOpenGL->renderBorder(&border, BORDERCOL, BORDERSIZE, g_pConfigManager->getInt("decoration:rounding"));
}

void CHyprRenderer::damageSurface(wlr_surface* pSurface, double x, double y) {
    if (!pSurface)
        return; // wut?

    pixman_region32_t damageBox;
    pixman_region32_init(&damageBox);
    wlr_surface_get_effective_damage(pSurface, &damageBox);

    pixman_region32_translate(&damageBox, x, y);

    for (auto& m : g_pCompositor->m_lMonitors) {
        double lx = 0, ly = 0;
        wlr_output_layout_output_coords(g_pCompositor->m_sWLROutputLayout, m.output, &lx, &ly);
        pixman_region32_translate(&damageBox, lx, ly);
        wlr_output_damage_add(m.damage, &damageBox);
        pixman_region32_translate(&damageBox, -lx, -ly);
    }

    pixman_region32_fini(&damageBox);
}

void CHyprRenderer::damageWindow(CWindow* pWindow) {
    if (!pWindow->m_bIsFloating) {
        // damage by size & pos
        // TODO TEMP: revise when added shadows/etc

        wlr_box damageBox = {pWindow->m_vRealPosition.vec().x, pWindow->m_vRealPosition.vec().y, pWindow->m_vRealSize.vec().x, pWindow->m_vRealSize.vec().y};
        for (auto& m : g_pCompositor->m_lMonitors) {
            wlr_box fixedDamageBox = damageBox;
            fixedDamageBox.x -= m.vecPosition.x;
            fixedDamageBox.y -= m.vecPosition.y;
            wlr_output_damage_add_box(m.damage, &fixedDamageBox);
        }
    } else {
        // damage by real size & pos + border size * 2 (JIC)
        const auto BORDERSIZE = g_pConfigManager->getInt("general:border_size");
        wlr_box damageBox = { pWindow->m_vRealPosition.vec().x - BORDERSIZE - 1, pWindow->m_vRealPosition.vec().y - BORDERSIZE - 1, pWindow->m_vRealSize.vec().x + 2 * BORDERSIZE + 2, pWindow->m_vRealSize.vec().y + 2 * BORDERSIZE + 2};
        for (auto& m : g_pCompositor->m_lMonitors) {
            wlr_box fixedDamageBox = damageBox;
            fixedDamageBox.x -= m.vecPosition.x;
            fixedDamageBox.y -= m.vecPosition.y;
            wlr_output_damage_add_box(m.damage, &fixedDamageBox);
        }
    }
}

void CHyprRenderer::damageMonitor(SMonitor* pMonitor) {
    wlr_box damageBox = {0, 0, pMonitor->vecSize.x, pMonitor->vecSize.y};
    scaleBox(&damageBox, pMonitor->scale);
    wlr_output_damage_add_box(pMonitor->damage, &damageBox);
}

void CHyprRenderer::damageBox(wlr_box* pBox) {
    for (auto& m : g_pCompositor->m_lMonitors) {
        wlr_box damageBox = {pBox->x - m.vecPosition.x, pBox->y - m.vecPosition.y, pBox->width, pBox->height};
        wlr_output_damage_add_box(m.damage, &damageBox);
    }
}

void CHyprRenderer::renderDragIcon(SMonitor* pMonitor, timespec* time) {
    if (!(g_pInputManager->m_sDrag.dragIcon && g_pInputManager->m_sDrag.iconMapped && g_pInputManager->m_sDrag.dragIcon->surface))
        return;

    SRenderData renderdata = {pMonitor->output, time, g_pInputManager->m_sDrag.pos.x, g_pInputManager->m_sDrag.pos.y};
    renderdata.surface = g_pInputManager->m_sDrag.dragIcon->surface;
    renderdata.w = g_pInputManager->m_sDrag.dragIcon->surface->current.width;
    renderdata.h = g_pInputManager->m_sDrag.dragIcon->surface->current.height;

    wlr_surface_for_each_surface(g_pInputManager->m_sDrag.dragIcon->surface, renderSurface, &renderdata);
}

DAMAGETRACKINGMODES CHyprRenderer::damageTrackingModeFromStr(const std::string& mode) {
    if (mode == "full")
        return DAMAGE_TRACKING_FULL;
    if (mode == "monitor")
        return DAMAGE_TRACKING_MONITOR;
    if (mode == "none")
        return DAMAGE_TRACKING_NONE;

    return DAMAGE_TRACKING_INVALID;
}

void CHyprRenderer::applyMonitorRule(SMonitor* pMonitor, SMonitorRule* pMonitorRule, bool force) {

    Debug::log(LOG, "Applying monitor rule for %s", pMonitor->szName.c_str());

    // Check if the rule isn't already applied
    if (!force && DELTALESSTHAN(pMonitor->vecSize.x, pMonitorRule->resolution.x, 1) && DELTALESSTHAN(pMonitor->vecSize.y, pMonitorRule->resolution.y, 1) && DELTALESSTHAN(pMonitor->refreshRate, pMonitorRule->refreshRate, 1) && pMonitor->scale == pMonitorRule->scale) {
        Debug::log(LOG, "Not applying a new rule to %s because it's already applied!", pMonitor->szName.c_str());
        return;
    }

    wlr_output_set_scale(pMonitor->output, pMonitorRule->scale);
    pMonitor->scale = pMonitorRule->scale;

    // loop over modes and choose an appropriate one.
    if (!wl_list_empty(&pMonitor->output->modes)) {
        wlr_output_mode* mode;
        bool found = false;

        wl_list_for_each(mode, &pMonitor->output->modes, link) {
            // if delta of refresh rate, w and h chosen and mode is < 1 we accept it
            if (DELTALESSTHAN(mode->width, pMonitorRule->resolution.x, 1) && DELTALESSTHAN(mode->height, pMonitorRule->resolution.y, 1) && DELTALESSTHAN(mode->refresh / 1000.f, pMonitorRule->refreshRate, 1)) {
                wlr_output_set_mode(pMonitor->output, mode);

                if (!wlr_output_test(pMonitor->output)) {
                    Debug::log(LOG, "Monitor %s: REJECTED available mode: %ix%i@%2f!",
                               pMonitor->output->name, (int)pMonitorRule->resolution.x, (int)pMonitorRule->resolution.y, (float)pMonitorRule->refreshRate,
                               mode->width, mode->height, mode->refresh / 1000.f);
                    continue;
                }

                Debug::log(LOG, "Monitor %s: requested %ix%i@%2f, found available mode: %ix%i@%imHz, applying.",
                           pMonitor->output->name, (int)pMonitorRule->resolution.x, (int)pMonitorRule->resolution.y, (float)pMonitorRule->refreshRate,
                           mode->width, mode->height, mode->refresh);

                found = true;

                pMonitor->refreshRate = mode->refresh / 1000.f;
                pMonitor->vecSize = Vector2D(mode->width, mode->height);

                break;
            }
        }

        if (!found) {
            const auto PREFERREDMODE = wlr_output_preferred_mode(pMonitor->output);

            if (!PREFERREDMODE) {
                Debug::log(ERR, "Monitor %s has NO PREFERRED MODE, and an INVALID one was requested: %ix%i@%2f",
                           (int)pMonitorRule->resolution.x, (int)pMonitorRule->resolution.y, (float)pMonitorRule->refreshRate);
                return;
            }

            // Preferred is valid
            wlr_output_set_mode(pMonitor->output, PREFERREDMODE);

            Debug::log(ERR, "Monitor %s got an invalid requested mode: %ix%i@%2f, using the preferred one instead: %ix%i@%2f",
                       pMonitor->output->name, (int)pMonitorRule->resolution.x, (int)pMonitorRule->resolution.y, (float)pMonitorRule->refreshRate,
                       PREFERREDMODE->width, PREFERREDMODE->height, PREFERREDMODE->refresh / 1000.f);

            pMonitor->refreshRate = PREFERREDMODE->refresh / 1000.f;
            pMonitor->vecSize = Vector2D(PREFERREDMODE->width, PREFERREDMODE->height);
        }
    } else {
        wlr_output_set_custom_mode(pMonitor->output, (int)pMonitorRule->resolution.x, (int)pMonitorRule->resolution.y, (int)pMonitorRule->refreshRate * 1000);
    }

    // update renderer
    g_pHyprOpenGL->destroyMonitorResources(pMonitor);

    if (!wlr_output_commit(pMonitor->output)) {
        Debug::log(ERR, "Couldn't commit output named %s", pMonitor->output->name);
        return;
    }

    wlr_output_layout_add(g_pCompositor->m_sWLROutputLayout, pMonitor->output, (int)pMonitorRule->offset.x, (int)pMonitorRule->offset.y);

    //wlr_output_damage_add_whole(pMonitor->damage);

    wlr_output_enable(pMonitor->output, true);

    // updato wlroots
    Events::listener_change(nullptr, nullptr);

    // updato us
    arrangeLayersForMonitor(pMonitor->ID);

    // frame skip
    pMonitor->needsFrameSkip = true;
}