(() => {
    if (typeof window === 'undefined') {
        return;
    }

    if (typeof window.opsUxProgressWidgetPoller === 'function') {
        return;
    }

    window.opsUxProgressWidgetPoller = function opsUxProgressWidgetPoller() {
        return {
            timer: null,
            activeSinceMs: null,
            fastUntilMs: null,
            teardownObserver: null,

            init() {
                this.onVisibilityChange = this.onVisibilityChange.bind(this);
                window.addEventListener('visibilitychange', this.onVisibilityChange);

                this.onNavigated = this.onNavigated.bind(this);
                window.addEventListener('livewire:navigated', this.onNavigated);

                this.teardownObserver = new MutationObserver(() => {
                    if (!this.$el || this.$el.isConnected !== true) {
                        this.destroy();
                    }
                });

                this.teardownObserver.observe(document.body, { childList: true, subtree: true });

                this.schedule(0);
            },

            destroy() {
                this.stop();
                window.removeEventListener('visibilitychange', this.onVisibilityChange);
                window.removeEventListener('livewire:navigated', this.onNavigated);

                if (this.teardownObserver) {
                    this.teardownObserver.disconnect();
                    this.teardownObserver = null;
                }
            },

            stop() {
                if (this.timer) {
                    clearTimeout(this.timer);
                    this.timer = null;
                }
            },

            isModalOpen() {
                return document.querySelector('[role="dialog"][aria-modal="true"]') !== null;
            },

            isPaused() {
                if (document.hidden === true) {
                    return true;
                }

                if (this.isModalOpen()) {
                    return true;
                }

                if (!this.$el || this.$el.isConnected !== true) {
                    return true;
                }

                return false;
            },

            onVisibilityChange() {
                if (!this.isPaused()) {
                    this.schedule(0);
                }
            },

            onNavigated() {
                if (!this.isPaused()) {
                    this.schedule(0);
                }
            },

            activeAgeSeconds() {
                if (this.activeSinceMs === null) {
                    return 0;
                }

                return Math.floor((Date.now() - this.activeSinceMs) / 1000);
            },

            nextIntervalMs() {
                if (this.$wire?.disabled === true) {
                    return null;
                }

                if (this.$wire?.hasActiveRuns !== true) {
                    this.activeSinceMs = null;
                    return 30_000;
                }

                if (this.activeSinceMs === null) {
                    this.activeSinceMs = Date.now();
                }

                const now = Date.now();

                if (this.fastUntilMs && now < this.fastUntilMs) {
                    return 1_000;
                }

                const age = this.activeAgeSeconds();

                if (age < 10) {
                    return 1_000;
                }

                if (age < 60) {
                    return 5_000;
                }

                return 10_000;
            },

            async tick() {
                if (this.isPaused()) {
                    this.schedule(2_000);
                    return;
                }

                try {
                    await this.$wire.refreshRuns();
                } catch (error) {
                    const isCancellation = Boolean(
                        error &&
                            typeof error === 'object' &&
                            error.status === null &&
                            error.body === null &&
                            error.json === null &&
                            error.errors === null,
                    );

                    if (!isCancellation) {
                        console.warn('Ops UX widget refreshRuns failed', error);
                    }
                }

                const next = this.nextIntervalMs();

                if (next === null) {
                    this.stop();
                    return;
                }

                this.schedule(next);
            },

            schedule(delayMs) {
                this.stop();

                const delay = Math.max(0, Number(delayMs ?? 0));

                this.timer = setTimeout(() => {
                    this.tick().catch(() => {});
                }, delay);
            },
        };
    };
})();