// file: crates/ksp-app-solprices-desk/frontend/ts/main.ts
// version: 3

import "bootstrap";
import ResizeObserver from "resize-observer-polyfill";
import "simplebar";
import { getCurrentWindow } from "@tauri-apps/api/window";
import type { RuntimeStatusDto } from "./bindings/ksp_app_solprices_desk/dto_common/RuntimeStatusDto.ts";
import { frontendDebug, frontendInfo, frontendTrace, frontendWarn, installFrontendConsoleBridge } from "./frontend_log";
import { invokeKsp } from "./invoke";

(window as Window & typeof globalThis & { ResizeObserver?: typeof ResizeObserver }).ResizeObserver = ResizeObserver;
installFrontendConsoleBridge("main");

type ViewId = "prices" | "diagnostics";

const viewTitles: Record<ViewId, string> = {
    prices: "Prices",
    diagnostics: "Diagnostics",
};

function isViewId(value: string | undefined): value is ViewId {
    return value === "prices" || value === "diagnostics";
}

function activateView(viewId: ViewId, source: "startup" | "user"): void {
    document.querySelectorAll<HTMLElement>("[data-view-panel]").forEach(panel => {
        panel.hidden = panel.dataset.viewPanel !== viewId;
    });
    document.querySelectorAll<HTMLButtonElement>("[data-view]").forEach(button => {
        button.classList.toggle("active", button.dataset.view === viewId);
    });
    const header = document.querySelector<HTMLElement>("#headerViewTitle");
    if (header) {
        header.textContent = viewTitles[viewId];
    }
    document.title = `SOL Prices Desk — ${viewTitles[viewId]}`;
    if (source !== "startup") {
        frontendDebug("main", "SOL Prices Desk view activated", { viewId, source });
    }
}

function bindNavigation(): void {
    document.querySelectorAll<HTMLButtonElement>("[data-view]").forEach(button => {
        button.addEventListener("click", () => {
            const viewId = button.dataset.view;
            frontendDebug("main", "SOL Prices Desk navigation control clicked", { viewId: viewId ?? "unknown" });
            if (isViewId(viewId)) {
                activateView(viewId, "user");
            }
        });
    });
    frontendTrace("main", "SOL Prices Desk navigation handlers installed");
}

function renderRuntimeStatus(status: RuntimeStatusDto): void {
    const values: Record<string, string> = {
        runtimeCompositeProfile: status.activeCompositeProfile,
        runtimeOffchainProfile: status.activeOffchainProfile,
        runtimeVersion: status.applicationVersion,
        runtimeShellPhase: status.shellPhase,
        runtimeConfigDocuments: status.configDocumentCount.toString(),
        runtimeLoggingProfile: status.activeLoggingProfile ?? "fallback",
        runtimeLoggingFallback: status.fallbackLoggingActive ? "oui" : "non",
    };
    for (const [elementId, value] of Object.entries(values)) {
        const element = document.querySelector<HTMLElement>(`#${elementId}`);
        if (element) {
            element.textContent = value;
        }
    }
    const diagnostic = document.querySelector<HTMLElement>("#runtimeDiagnostic");
    if (diagnostic) {
        diagnostic.hidden = status.startupDiagnostic === null;
        diagnostic.textContent = status.startupDiagnostic === null ? "" : `${status.startupDiagnostic.domain}:${status.startupDiagnostic.code} — ${status.startupDiagnostic.message}`;
    }
    frontendTrace("main", "SOL Prices Desk scaffold runtime status rendered", {
        fallbackLoggingActive: status.fallbackLoggingActive,
        configDocumentCount: status.configDocumentCount,
    });
}

async function loadRuntimeStatus(): Promise<void> {
    const status = await invokeKsp<RuntimeStatusDto>("main", "get_runtime_status");
    renderRuntimeStatus(status);
}

async function initializeMain(): Promise<void> {
    const windowLabel = getCurrentWindow().label;
    frontendInfo("main", "SOL Prices Desk main frontend loaded", { windowLabel });
    bindNavigation();
    activateView("prices", "startup");
    try {
        await loadRuntimeStatus();
    } catch {
        const diagnostic = document.querySelector<HTMLElement>("#runtimeDiagnostic");
        if (diagnostic) {
            diagnostic.hidden = false;
            diagnostic.textContent = "Le statut runtime initial n'a pas pu être chargé.";
        }
        frontendWarn("main", "SOL Prices Desk startup runtime status load failed");
    }
}

document.addEventListener("DOMContentLoaded", () => {
    void initializeMain();
});