import { Field, Block, RichTextField, Config, Endpoint, CollectionConfig, GlobalConfig } from 'payload';

/**
 * Core types for broadcast management functionality
 */
/**
 * Represents a broadcast (individual email campaign) in the system
 */
interface Broadcast {
    id: string;
    name: string;
    subject: string;
    preheader?: string;
    content: string;
    sendStatus: BroadcastStatus;
    trackOpens: boolean;
    trackClicks: boolean;
    replyTo?: string;
    recipientCount?: number;
    sentAt?: Date;
    scheduledAt?: Date;
    createdAt: Date;
    updatedAt: Date;
    providerData?: Record<string, any>;
    providerId?: string;
    providerType?: 'broadcast' | 'resend';
}
/**
 * Possible statuses for a broadcast
 */
declare enum BroadcastStatus {
    DRAFT = "draft",
    SCHEDULED = "scheduled",
    SENDING = "sending",
    SENT = "sent",
    FAILED = "failed",
    PAUSED = "paused",
    CANCELED = "canceled"
}
/**
 * Options for listing broadcasts
 */
interface ListBroadcastOptions {
    limit?: number;
    offset?: number;
    status?: BroadcastStatus;
    sortBy?: 'createdAt' | 'updatedAt' | 'sentAt' | 'name';
    sortOrder?: 'asc' | 'desc';
}
/**
 * Response from listing broadcasts
 */
interface ListBroadcastResponse<T = Broadcast> {
    items: T[];
    total: number;
    limit: number;
    offset: number;
    hasMore: boolean;
}
/**
 * Input for creating a new broadcast
 */
interface CreateBroadcastInput {
    name: string;
    subject: string;
    preheader?: string;
    content: string;
    trackOpens?: boolean;
    trackClicks?: boolean;
    replyTo?: string;
    audienceIds?: string[];
}
/**
 * Input for updating an existing broadcast
 */
interface UpdateBroadcastInput {
    name?: string;
    subject?: string;
    preheader?: string;
    content?: string;
    trackOpens?: boolean;
    trackClicks?: boolean;
    replyTo?: string;
    audienceIds?: string[];
}
/**
 * Options for sending a broadcast
 */
interface SendBroadcastOptions {
    audienceIds?: string[];
    testMode?: boolean;
    testRecipients?: string[];
}
/**
 * Analytics data for a broadcast
 */
interface BroadcastAnalytics {
    sent: number;
    delivered: number;
    opened: number;
    clicked: number;
    bounced: number;
    complained: number;
    unsubscribed: number;
    deliveryRate?: number;
    openRate?: number;
    clickRate?: number;
    bounceRate?: number;
}
/**
 * Capabilities that a broadcast provider supports
 */
interface BroadcastProviderCapabilities {
    supportsScheduling: boolean;
    supportsSegmentation: boolean;
    supportsAnalytics: boolean;
    supportsABTesting: boolean;
    supportsTemplates: boolean;
    supportsPersonalization: boolean;
    maxRecipientsPerSend?: number;
    editableStatuses: BroadcastStatus[];
    supportedContentTypes: ('html' | 'text' | 'react')[];
    supportsMultipleChannels: boolean;
    supportsChannelSegmentation: boolean;
}

/**
 * Provider interfaces for broadcast management
 */

/**
 * Main interface for broadcast providers
 */
interface BroadcastProvider$1 {
    /**
     * Get the provider name
     */
    readonly name: string;
    /**
     * List broadcasts with pagination
     */
    list(options?: ListBroadcastOptions): Promise<ListBroadcastResponse<Broadcast>>;
    /**
     * Get a specific broadcast by ID
     */
    get(id: string): Promise<Broadcast>;
    /**
     * Create a new broadcast
     */
    create(data: CreateBroadcastInput): Promise<Broadcast>;
    /**
     * Update an existing broadcast
     */
    update(id: string, data: UpdateBroadcastInput): Promise<Broadcast>;
    /**
     * Delete a broadcast
     */
    delete(id: string): Promise<void>;
    /**
     * Send a broadcast immediately or to test recipients
     */
    send(id: string, options?: SendBroadcastOptions): Promise<Broadcast>;
    /**
     * Schedule a broadcast for future sending
     */
    schedule(id: string, scheduledAt: Date): Promise<Broadcast>;
    /**
     * Cancel a scheduled broadcast
     */
    cancelSchedule(id: string): Promise<Broadcast>;
    /**
     * Get analytics for a broadcast
     */
    getAnalytics(id: string): Promise<BroadcastAnalytics>;
    /**
     * Get provider capabilities
     */
    getCapabilities(): BroadcastProviderCapabilities;
    /**
     * Validate that the provider is properly configured
     */
    validateConfiguration(): Promise<boolean>;
}

interface EmailWrapperOptions {
    preheader?: string;
    subject?: string;
    documentData?: Record<string, any>;
}
interface BroadcastCustomizations {
    additionalFields?: Field[];
    customBlocks?: Block[];
    fieldOverrides?: {
        content?: (defaultField: RichTextField) => RichTextField;
    };
    /**
     * Custom block email converter
     * @param node - The block node from Lexical editor state
     * @param mediaUrl - Base URL for media files
     * @returns Promise<string> - The email-safe HTML for the block
     */
    customBlockConverter?: (node: any, mediaUrl?: string) => Promise<string>;
    /**
     * Fields to populate in custom blocks before email conversion
     * Can be an array of field names or a function that returns field names based on block type
     * This is useful for upload fields that need to be populated with full media objects
     *
     * @example
     * // Array of field names to always populate
     * populateFields: ['bannerImage', 'sponsorLogo']
     *
     * @example
     * // Function to return fields based on block type
     * populateFields: (blockType) => {
     *   if (blockType === 'newsletter-hero') return ['bannerImage', 'sponsorLogo']
     *   if (blockType === 'content-section') return ['featuredImage']
     *   return []
     * }
     */
    populateFields?: string[] | ((blockType: string) => string[]);
    /**
     * Email preview customization options
     */
    emailPreview?: {
        /**
         * Whether to wrap preview content in default email template
         * @default true
         */
        wrapInTemplate?: boolean;
        /**
         * Custom wrapper function for preview content
         * Receives the converted HTML and should return wrapped HTML
         */
        customWrapper?: (content: string, options?: EmailWrapperOptions) => string | Promise<string>;
        /**
         * Custom preview component to replace the default one entirely
         * If provided, this component will be used instead of the default EmailPreview
         */
        customPreviewComponent?: string;
    };
}
interface NewsletterPluginConfig {
    /**
     * Enable or disable the plugin
     * @default true
     */
    enabled?: boolean;
    /**
     * Slug for the subscribers collection
     * @default 'subscribers'
     */
    subscribersSlug?: string;
    /**
     * Slug for the newsletter settings global
     * @default 'newsletter-settings'
     */
    settingsSlug?: string;
    /**
     * Authentication configuration for magic links
     */
    auth?: {
        /**
         * Enable magic link authentication
         * @default true
         */
        enabled?: boolean;
        /**
         * Token expiration time
         * @default '7d'
         */
        tokenExpiration?: string;
        /**
         * Path where magic link redirects
         * @default '/newsletter/verify'
         */
        magicLinkPath?: string;
        /**
         * Allow unsubscribed users to sign in
         * @default false
         */
        allowUnsubscribedSignin?: boolean;
        /**
         * Allow unsubscribed users to resubscribe
         * @default false
         */
        allowResubscribe?: boolean;
    };
    /**
     * Access control configuration
     */
    access?: {
        /**
         * Custom function to determine if a user is an admin
         * @param user - The authenticated user object
         * @returns true if the user should have admin access
         */
        isAdmin?: (user: any) => boolean;
    };
    /**
     * Email provider configuration
     */
    providers: {
        /**
         * Default provider to use
         */
        default: 'resend' | 'broadcast' | string;
        /**
         * Resend provider configuration
         */
        resend?: ResendProviderConfig;
        /**
         * Broadcast provider configuration
         */
        broadcast?: BroadcastProviderConfig;
    };
    /**
     * Field customization options
     */
    fields?: {
        /**
         * Override default fields
         */
        overrides?: (args: {
            defaultFields: Field[];
        }) => Field[];
        /**
         * Additional custom fields
         */
        additional?: Field[];
    };
    /**
     * Email template components
     */
    templates?: {
        /**
         * Welcome email template
         */
        welcome?: React.ComponentType<WelcomeEmailProps>;
        /**
         * Magic link email template
         */
        magicLink?: React.ComponentType<MagicLinkEmailProps>;
    };
    /**
     * Plugin hooks
     */
    hooks?: {
        beforeSubscribe?: (args: BeforeSubscribeArgs) => void | Promise<void>;
        afterSubscribe?: (args: AfterSubscribeArgs) => void | Promise<void>;
        beforeUnsubscribe?: (args: BeforeUnsubscribeArgs) => void | Promise<void>;
        afterUnsubscribe?: (args: AfterUnsubscribeArgs) => void | Promise<void>;
        afterUnsubscribeSync?: (args: AfterUnsubscribeSyncArgs) => void | Promise<void>;
    };
    /**
     * UI component overrides
     */
    components?: {
        signupForm?: React.ComponentType<SignupFormProps>;
        preferencesForm?: React.ComponentType<PreferencesFormProps>;
    };
    /**
     * Feature flags
     */
    features?: {
        /**
         * Lead magnet configuration
         */
        leadMagnets?: {
            enabled?: boolean;
            collection?: string;
        };
        /**
         * Post-signup survey configuration
         */
        surveys?: {
            enabled?: boolean;
            questions?: SurveyQuestion[];
        };
        /**
         * UTM tracking configuration
         */
        utmTracking?: {
            enabled?: boolean;
            fields?: string[];
        };
        /**
         * Newsletter scheduling configuration
         */
        newsletterScheduling?: {
            enabled?: boolean;
            /**
             * Collections to add newsletter fields to
             * Can be a string for single collection or array for multiple
             * @example 'articles' or ['articles', 'posts', 'updates']
             */
            collections?: string | string[];
            /**
             * Field configuration
             */
            fields?: {
                /**
                 * Group name for newsletter fields
                 * @default 'newsletterScheduling'
                 */
                groupName?: string;
                /**
                 * Rich text field name to use for content
                 * @default 'content'
                 */
                contentField?: string;
                /**
                 * Whether to create a markdown companion field
                 * @default true
                 */
                createMarkdownField?: boolean;
            };
        };
        /**
         * Unsubscribe sync configuration
         */
        unsubscribeSync?: {
            /**
             * Enable sync of unsubscribes from email service to Payload
             * @default false
             */
            enabled?: boolean;
            /**
             * Cron schedule for sync job (e.g., '0 * * * *' for hourly)
             * If not provided, job must be triggered manually
             */
            schedule?: string;
            /**
             * Queue name for the sync job
             * @default 'newsletter-sync'
             */
            queue?: string;
        };
        /**
         * Newsletter management configuration
         */
        newsletterManagement?: {
            /**
             * Enable newsletter management features
             * @default false
             */
            enabled?: boolean;
            /**
             * Collection names for broadcast management
             */
            collections?: {
                /**
                 * Broadcasts collection slug
                 * @default 'broadcasts'
                 */
                broadcasts?: string;
            };
            /**
             * Optional: Custom broadcast provider implementation
             * If not provided, will use the default email provider
             */
            provider?: BroadcastProvider$1;
        };
    };
    /**
     * Internationalization configuration
     */
    i18n?: {
        defaultLocale?: string;
        locales?: string[];
    };
    /**
     * Custom email templates
     */
    customTemplates?: {
        [key: string]: React.ComponentType<any>;
    };
    /**
     * Customization options for plugin collections
     */
    customizations?: {
        broadcasts?: BroadcastCustomizations;
    };
}
interface ResendProviderConfig {
    apiKey: string;
    fromEmail?: string;
    fromAddress?: string;
    fromName?: string;
    replyTo?: string;
    audienceIds?: {
        [locale: string]: {
            production?: string;
            development?: string;
        };
    };
}
interface BroadcastProviderConfig {
    apiUrl: string;
    token: string;
    fromEmail?: string;
    fromAddress?: string;
    fromName?: string;
    replyTo?: string;
}
interface Subscriber {
    id: string;
    email: string;
    name?: string;
    locale?: string;
    subscriptionStatus: 'active' | 'unsubscribed' | 'pending';
    emailPreferences?: {
        newsletter?: boolean;
        announcements?: boolean;
        [key: string]: boolean | undefined;
    };
    source?: string;
    utmParameters?: {
        source?: string;
        medium?: string;
        campaign?: string;
        content?: string;
        term?: string;
    };
    signupMetadata?: {
        ipAddress?: string;
        userAgent?: string;
        referrer?: string;
        signupPage?: string;
    };
    leadMagnet?: string;
    unsubscribedAt?: string;
    magicLinkToken?: string;
    magicLinkTokenExpiry?: string;
    createdAt: string;
    updatedAt: string;
}
interface WelcomeEmailProps {
    subscriber: Subscriber;
    unsubscribeUrl: string;
    preferencesUrl: string;
}
interface MagicLinkEmailProps {
    magicLinkUrl: string;
    subscriber: Subscriber;
}
interface SignupFormProps {
    onSuccess?: (subscriber: Subscriber) => void;
    onError?: (error: Error) => void;
    showName?: boolean;
    showPreferences?: boolean;
    leadMagnet?: {
        id: string;
        title: string;
        description?: string;
    };
    className?: string;
    styles?: {
        form?: React.CSSProperties;
        inputGroup?: React.CSSProperties;
        label?: React.CSSProperties;
        input?: React.CSSProperties;
        button?: React.CSSProperties;
        buttonDisabled?: React.CSSProperties;
        error?: React.CSSProperties;
        success?: React.CSSProperties;
        checkbox?: React.CSSProperties;
        checkboxInput?: React.CSSProperties;
        checkboxLabel?: React.CSSProperties;
    };
    apiEndpoint?: string;
    buttonText?: string;
    loadingText?: string;
    successMessage?: string;
    placeholders?: {
        email?: string;
        name?: string;
    };
    labels?: {
        email?: string;
        name?: string;
        newsletter?: string;
        announcements?: string;
    };
}
interface PreferencesFormProps {
    subscriber?: Subscriber;
    onSuccess?: (subscriber: Subscriber) => void;
    onError?: (error: Error) => void;
    className?: string;
    styles?: {
        container?: React.CSSProperties;
        heading?: React.CSSProperties;
        form?: React.CSSProperties;
        section?: React.CSSProperties;
        sectionTitle?: React.CSSProperties;
        inputGroup?: React.CSSProperties;
        label?: React.CSSProperties;
        input?: React.CSSProperties;
        select?: React.CSSProperties;
        checkbox?: React.CSSProperties;
        checkboxInput?: React.CSSProperties;
        checkboxLabel?: React.CSSProperties;
        buttonGroup?: React.CSSProperties;
        button?: React.CSSProperties;
        primaryButton?: React.CSSProperties;
        secondaryButton?: React.CSSProperties;
        dangerButton?: React.CSSProperties;
        error?: React.CSSProperties;
        success?: React.CSSProperties;
        info?: React.CSSProperties;
    };
    sessionToken?: string;
    apiEndpoint?: string;
    showUnsubscribe?: boolean;
    locales?: string[];
    labels?: {
        title?: string;
        personalInfo?: string;
        emailPreferences?: string;
        name?: string;
        language?: string;
        newsletter?: string;
        announcements?: string;
        saveButton?: string;
        unsubscribeButton?: string;
        saving?: string;
        saved?: string;
        unsubscribeConfirm?: string;
    };
}
interface BeforeSubscribeArgs {
    data: Partial<Subscriber>;
    req: any;
}
interface AfterSubscribeArgs {
    doc: Subscriber;
    req: any;
}
interface BeforeUnsubscribeArgs {
    email: string;
    req: any;
}
interface AfterUnsubscribeArgs {
    doc: Subscriber;
    req: any;
}
interface AfterUnsubscribeSyncArgs {
    req: any;
    syncedCount: number;
}
interface SurveyQuestion {
    id: string;
    question: string;
    type: 'text' | 'select' | 'multiselect' | 'radio';
    options?: string[];
    required?: boolean;
}

declare module 'payload' {
    interface BasePayload {
        newsletterEmailService?: any;
        broadcastProvider?: BroadcastProvider$1;
        newsletterProvider?: BroadcastProvider$1;
    }
}
declare const newsletterPlugin: (pluginConfig: NewsletterPluginConfig) => (incomingConfig: Config) => Config;

declare const createSubscribeEndpoint: (config: NewsletterPluginConfig) => Endpoint;

declare const createUnsubscribeEndpoint: (config: NewsletterPluginConfig) => Endpoint;

declare const createPreferencesEndpoint: (config: NewsletterPluginConfig) => Endpoint;

declare const createVerifyMagicLinkEndpoint: (config: NewsletterPluginConfig) => Endpoint;

declare const createSubscribersCollection: (pluginConfig: NewsletterPluginConfig) => CollectionConfig;

declare const createBroadcastsCollection: (pluginConfig: NewsletterPluginConfig) => CollectionConfig;

declare const createNewsletterSettingsGlobal: (pluginConfig: NewsletterPluginConfig) => GlobalConfig;

interface EmailProvider {
    send(params: SendEmailParams): Promise<void>;
    addContact(contact: Subscriber): Promise<void>;
    updateContact(contact: Subscriber): Promise<void>;
    removeContact(email: string): Promise<void>;
    getProvider(): string;
}
interface SendEmailParams {
    to: string | string[];
    subject: string;
    html?: string;
    text?: string;
    react?: React.ReactElement;
    from?: {
        email: string;
        name?: string;
    };
    replyTo?: string;
}

declare class ResendProvider implements EmailProvider {
    private client;
    private audienceIds;
    private fromAddress;
    private fromName;
    private isDevelopment;
    constructor(config: ResendProviderConfig & {
        fromAddress: string;
        fromName: string;
    });
    getProvider(): string;
    send(params: SendEmailParams): Promise<void>;
    addContact(contact: Subscriber): Promise<void>;
    updateContact(contact: Subscriber): Promise<void>;
    removeContact(email: string): Promise<void>;
    private getAudienceId;
}

declare class BroadcastProvider implements EmailProvider {
    private apiUrl;
    private token;
    private fromAddress;
    private fromName;
    private replyTo?;
    constructor(config: BroadcastProviderConfig & {
        fromAddress: string;
        fromName: string;
    });
    getProvider(): string;
    send(params: SendEmailParams): Promise<void>;
    addContact(contact: Subscriber): Promise<void>;
    updateContact(contact: Subscriber): Promise<void>;
    removeContact(email: string): Promise<void>;
}

export { BroadcastProvider, type NewsletterPluginConfig, ResendProvider, type Subscriber, createBroadcastsCollection, createNewsletterSettingsGlobal, createPreferencesEndpoint, createSubscribeEndpoint, createSubscribersCollection, createUnsubscribeEndpoint, createVerifyMagicLinkEndpoint, newsletterPlugin };