return undefined;

}

function readFeishuIdentityField(

value: unknown,

field: "open_id" | "user_id" | "union_id",

): string | undefined {

if (!isRecord(value)) {

return undefined;

}

return firstString(value[field]);

}

function parseFeishuCardActionEventPayload(value: unknown): FeishuCardActionEvent | null {

if (!isRecord(value)) {

return null;

if (!isRecord(action)) {

return null;

}

const operatorUserId = operator.user_id;

const token = readString(value.token);

const openId = firstString(operator.open_id, value.open_id, context.open_id);

const userId = firstString(operator.user_id, value.user_id, context.user_id);

const unionId = firstString(operator.union_id);

const openId = firstString(

operator.open_id,

readFeishuIdentityField(operatorUserId, "open_id"),

value.open_id,

context.open_id,

);

const userId = firstString(

operator.user_id,

readFeishuIdentityField(operatorUserId, "user_id"),

value.user_id,

context.user_id,

);

const unionId = firstString(

operator.union_id,

readFeishuIdentityField(operatorUserId, "union_id"),

);

const tag = readString(action.tag);

const actionValue = action.value;

const openMessageId = firstString(value.open_message_id, context.open_message_id);