import type { SuaveplanErrorOptions } from "@suaveplan/error";
import { defineCodes, SuaveplanError } from "@suaveplan/error";

/**
 * Stable error-code registry for `@suaveplan/imessage-adapter`. Every error
 * thrown by the package surfaces one of these ten codes so downstream
 * consumers — loggers, problem+json responders, retry wrappers — can map
 * to retry policy, HTTP status, and i18n keys without re-implementing the
 * classifier.
 */
export const IMESSAGE_CODES = defineCodes("IMESSAGE", [
    "DB_OPEN_FAILED",
    "DB_QUERY_FAILED",
    "WATCHER_NOT_RUNNING",
    "WATCHER_ALREADY_RUNNING",
    "ADAPTER_NOT_INITIALIZED",
    "INVALID_CONFIG",
    "POLL_ABORTED",
    "POLL_FAILED",
    "ATTACHMENT_PARSE_FAILED",
    "APPLE_DATE_PARSE_FAILED",
] as const);

/** Union of every fully-qualified code emitted by this package. */
export type IMessageErrorCode =
    (typeof IMESSAGE_CODES)[keyof typeof IMESSAGE_CODES];

/** Base class for every typed iMessage adapter error. */
export abstract class IMessageError extends SuaveplanError<IMessageErrorCode> {}

interface BaseOpts extends SuaveplanErrorOptions {
    readonly message?: string;
}

function pickOpts(opts: BaseOpts): SuaveplanErrorOptions {
    const out: {
        cause?: unknown;
        context?: Readonly<Record<string, unknown>>;
        traceId?: string;
    } = {};
    if (opts.cause !== undefined) out.cause = opts.cause;
    if (opts.context !== undefined) out.context = opts.context;
    if (opts.traceId !== undefined) out.traceId = opts.traceId;
    return out;
}

/** Failed to open the chat.db SQLite database. */
export class IMessageDbOpenFailedError extends IMessageError {
    public constructor(opts: BaseOpts = {}) {
        super(
            IMESSAGE_CODES.DB_OPEN_FAILED,
            opts.message ?? "imessage.errors.dbOpenFailed",
            pickOpts(opts)
        );
    }
}

/** SQLite query against chat.db failed. */
export class IMessageDbQueryFailedError extends IMessageError {
    public constructor(opts: BaseOpts = {}) {
        super(
            IMESSAGE_CODES.DB_QUERY_FAILED,
            opts.message ?? "imessage.errors.dbQueryFailed",
            pickOpts(opts)
        );
    }
}

/** stop() called while watcher is not running. */
export class IMessageWatcherNotRunningError extends IMessageError {
    public constructor(opts: BaseOpts = {}) {
        super(
            IMESSAGE_CODES.WATCHER_NOT_RUNNING,
            opts.message ?? "imessage.errors.watcherNotRunning",
            pickOpts(opts)
        );
    }
}

/** start() called twice. */
export class IMessageWatcherAlreadyRunningError extends IMessageError {
    public constructor(opts: BaseOpts = {}) {
        super(
            IMESSAGE_CODES.WATCHER_ALREADY_RUNNING,
            opts.message ?? "imessage.errors.watcherAlreadyRunning",
            pickOpts(opts)
        );
    }
}

/** poll() called before initialize(). */
export class IMessageAdapterNotInitializedError extends IMessageError {
    public constructor(opts: BaseOpts = {}) {
        super(
            IMESSAGE_CODES.ADAPTER_NOT_INITIALIZED,
            opts.message ?? "imessage.errors.adapterNotInitialized",
            pickOpts(opts)
        );
    }
}

/** Zod schema rejected the config. */
export class IMessageInvalidConfigError extends IMessageError {
    public constructor(
        opts: BaseOpts & {
            readonly issues?: ReadonlyArray<Readonly<Record<string, unknown>>>;
        } = {}
    ) {
        const ctx: Record<string, unknown> = { ...(opts.context ?? {}) };
        if (opts.issues !== undefined) ctx["issues"] = opts.issues;
        super(
            IMESSAGE_CODES.INVALID_CONFIG,
            opts.message ?? "imessage.errors.invalidConfig",
            { ...pickOpts(opts), context: ctx }
        );
    }
}

/** poll() / start() aborted by AbortSignal. */
export class IMessagePollAbortedError extends IMessageError {
    public constructor(opts: BaseOpts = {}) {
        super(
            IMESSAGE_CODES.POLL_ABORTED,
            opts.message ?? "imessage.errors.pollAborted",
            pickOpts(opts)
        );
    }
}

/** poll() failed for a reason other than abort. */
export class IMessagePollFailedError extends IMessageError {
    public constructor(opts: BaseOpts = {}) {
        super(
            IMESSAGE_CODES.POLL_FAILED,
            opts.message ?? "imessage.errors.pollFailed",
            pickOpts(opts)
        );
    }
}

/** Attachment row could not be parsed. */
export class IMessageAttachmentParseError extends IMessageError {
    public constructor(opts: BaseOpts = {}) {
        super(
            IMESSAGE_CODES.ATTACHMENT_PARSE_FAILED,
            opts.message ?? "imessage.errors.attachmentParseFailed",
            pickOpts(opts)
        );
    }
}

/** Apple-epoch timestamp could not be decoded. */
export class IMessageAppleDateParseError extends IMessageError {
    public constructor(opts: BaseOpts = {}) {
        super(
            IMESSAGE_CODES.APPLE_DATE_PARSE_FAILED,
            opts.message ?? "imessage.errors.appleDateParseFailed",
            pickOpts(opts)
        );
    }
}