/**
 * Creates a PluginContext wired to the given registry.
 * Call this before registering and loading a plugin.
 *
 * @param options - Host-specific dependencies for the plugin.
 * @param registry - The shared PluginRegistry instance.
 * @returns A fully-wired PluginContext ready to be passed to `plugin.onLoad`.
 */
export function createPluginContext(options, registry) {
    const { pluginId, eventClient, onNotify } = options;
    return {
        pluginId,
        commands: {
            register: (command) => {
                registry.registerCommand(pluginId, command);
                registry.addLog(pluginId, 'log', [`Registered command: /${command.name}`]);
            },
            unregister: (name) => {
                registry.unregisterCommand(name);
            },
            execute: async (name, args) => {
                return registry.executeCommand(name, JSON.stringify(args));
            },
        },
        messages: {
            onBeforeSend: (interceptor) => {
                registry.addBeforeSendInterceptor(pluginId, interceptor);
                registry.addLog(pluginId, 'log', ['Registered beforeSend interceptor']);
            },
            onReceive: (interceptor) => {
                registry.addReceiveInterceptor(pluginId, interceptor);
                registry.addLog(pluginId, 'log', ['Registered receive interceptor']);
            },
        },
        ui: {
            registerRenderer: (type, renderer) => {
                registry.registerRenderer(pluginId, type, renderer);
                registry.addLog(pluginId, 'log', [`Registered renderer: ${type}`]);
            },
            unregisterRenderer: (type) => {
                registry.unregisterRenderer(type);
            },
        },
        settings: {
            define: (schema) => {
                registry.defineSettings(pluginId, schema);
                registry.addLog(pluginId, 'log', ['Defined settings schema']);
            },
            get: (key) => {
                return registry.getPluginSetting(pluginId, key);
            },
            set: (key, value) => {
                registry.setPluginSetting(pluginId, key, value);
            },
        },
        themes: {
            register: (theme) => {
                registry.registerTheme(pluginId, theme);
                registry.addLog(pluginId, 'log', [`Registered theme: ${theme.name}`]);
            },
            unregister: (themeId) => {
                registry.unregisterTheme(pluginId, themeId);
            },
        },
        events: {
            on: (eventType, handler) => {
                if (!eventClient) {
                    console.warn(`[Plugin ${pluginId}] No event client provided — events.on() is a no-op`);
                    return;
                }
                registry.addEventHandler(pluginId, eventType, handler);
                eventClient.on(eventType, handler);
                registry.addLog(pluginId, 'log', [`Listening to event: ${eventType}`]);
            },
            off: (eventType, handler) => {
                if (!eventClient)
                    return;
                registry.removeEventHandler(pluginId, eventType, handler);
                eventClient.off(eventType, handler);
            },
        },
        timers: {
            setInterval: (callback, ms) => {
                const id = setInterval(() => {
                    try {
                        callback();
                    }
                    catch (err) {
                        registry.addLog(pluginId, 'error', ['Interval error:', err]);
                    }
                }, ms);
                registry.addTimer(pluginId, id);
                return id;
            },
            setTimeout: (callback, ms) => {
                const id = setTimeout(() => {
                    try {
                        callback();
                    }
                    catch (err) {
                        registry.addLog(pluginId, 'error', ['Timeout error:', err]);
                    }
                    registry.removeTimer(pluginId, id);
                }, ms);
                registry.addTimer(pluginId, id);
                return id;
            },
            clearInterval: (id) => {
                clearInterval(id);
                registry.removeTimer(pluginId, id);
            },
            clearTimeout: (id) => {
                clearTimeout(id);
                registry.removeTimer(pluginId, id);
            },
        },
        notify: async (options) => {
            const opts = typeof options === 'string' ? { title: 'Plugin', body: options } : options;
            registry.addLog(pluginId, 'log', ['Notification:', opts]);
            if (onNotify) {
                try {
                    await onNotify(opts);
                }
                catch (err) {
                    console.error(`[Plugin ${pluginId}] Notification handler error:`, err);
                }
            }
        },
        log: (...args) => {
            console.log(`[Plugin ${pluginId}]`, ...args);
            registry.addLog(pluginId, 'log', args);
        },
        warn: (...args) => {
            console.warn(`[Plugin ${pluginId}]`, ...args);
            registry.addLog(pluginId, 'warn', args);
        },
        error: (...args) => {
            console.error(`[Plugin ${pluginId}]`, ...args);
            registry.addLog(pluginId, 'error', args);
        },
        require: (requiredPluginId) => {
            const exports = registry.getPluginExports(requiredPluginId);
            if (exports === undefined) {
                throw new Error(`Plugin ${requiredPluginId} not found or has no exports`);
            }
            registry.addLog(pluginId, 'log', [`Required plugin: ${requiredPluginId}`]);
            return exports;
        },
    };
}
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