import {
  ContinueChatResponse,
  EmbeddableVideoBubbleContentType,
} from "indite-js/schemas";
import { WhatsAppSendingMessage } from "indite-js/schemas/features/whatsapp";
import { isSvgSrc } from "indite-js/lib/utils";
import { BubbleBlockType } from "indite-js/schemas/features/blocks/bubbles/constants";
import {
  VideoBubbleContentType,
  embedBaseUrls,
  embeddableVideoTypes,
} from "indite-js/schemas/features/blocks/bubbles/video/constants";
import { convertRichTextToMarkdown } from "indite-js/lib/markdown/convertRichTextToMarkdown";

export const convertMessageToWhatsAppMessage = (
  message: ContinueChatResponse["messages"][number]
): WhatsAppSendingMessage | null => {
  switch (message.type) {
    case BubbleBlockType.TEXT: {
      if (message.content.type === "markdown")
        throw new Error("Expect rich text message");
      if (!message.content.richText || message.content.richText.length === 0)
        return null;
      return {
        type: "text",
        text: {
          body: convertRichTextToMarkdown(message.content.richText, {
            flavour: "whatsapp",
          }),
        },
      };
    }
    case BubbleBlockType.IMAGE: {
      if (!message.content.url || isImageUrlNotCompatible(message.content.url))
        return null;
      return {
        type: "image",
        image: {
          link: message.content.url,
        },
      };
    }
    case BubbleBlockType.AUDIO: {
      if (!message.content.url) return null;
      return {
        type: "audio",
        audio: {
          link: message.content.url,
        },
      };
    }
    case BubbleBlockType.VIDEO: {
      if (!message.content.url) return null;
      if (message.content.type === VideoBubbleContentType.URL)
        return {
          type: "video",
          video: {
            link: message.content.url,
          },
        };
      if (
        embeddableVideoTypes.includes(
          message.content.type as EmbeddableVideoBubbleContentType
        )
      )
        return {
          type: "text",
          text: {
            body: `${
              embedBaseUrls[
                message.content.type as EmbeddableVideoBubbleContentType
              ]
            }/${message.content.id}`,
            preview_url: true,
          },
        };
      return null;
    }
    case BubbleBlockType.EMBED: {
      if (!message.content.url) return null;
      return {
        type: "text",
        text: {
          body: message.content.url,
          preview_url: true,
        },
      };
    }
    case "custom-embed": {
      if (!message.content.url) return null;
      return {
        type: "text",
        text: {
          body: message.content.url,
          preview_url: true,
        },
      };
    }
  }
};

export const isImageUrlNotCompatible = (url: string) =>
  !isHttpUrl(url) || isGifFileUrl(url) || isSvgSrc(url);

export const isHttpUrl = (text: string) =>
  text.startsWith("http://") || text.startsWith("https://");

export const isGifFileUrl = (url: string) => {
  const urlWithoutQueryParams = url.split("?")[0];
  return urlWithoutQueryParams.endsWith(".gif");
};