import { Addon, AddonRequest, AddonResponse } from "@mediahubmx/schema";
import semver from "semver";
import { AddonClass } from "./addon";
import { ActionHandlerContext } from "./types";

const sdkVersion: string = require("../package.json").version;

export type MigrationContext = {
  clientVersion: null | string;
  addon: AddonClass;
  data: any;
  user: ActionHandlerContext["user"];
  validator: {
    request: (obj: any) => any;
    response: (obj: any) => any;
  };
};

const stripPersonDirectory = (persons?: any[]) => {
  if (!Array.isArray(persons)) return;
  for (const person of persons) {
    if (person && typeof person === "object") {
      delete person.directory;
    }
  }
};

export const migrations = {
  item: {
    response(ctx: MigrationContext, input: any, output: any) {
      if (ctx.clientVersion && semver.lt(ctx.clientVersion, "3.1.0")) {
        stripPersonDirectory(output.cast);
        stripPersonDirectory(output.director);
        stripPersonDirectory(output.writer);
      }
      return output;
    },
  },
  addon: {
    response(
      ctx: MigrationContext,
      input: AddonRequest,
      output: AddonResponse
    ) {
      const addon = <Addon>output;
      const any = <any>addon;
      if (any.type !== "server") {
        any.sdkVersion = sdkVersion;
      }

      if (ctx.clientVersion && semver.lt(ctx.clientVersion, "1.2.12")) {
        if (addon.catalogs) {
          for (const catalog of addon.catalogs) {
            switch (catalog.kind ?? "vod") {
              case "iptv":
                catalog.itemTypes = ["iptv"];
                break;
              case "vod":
                catalog.itemTypes = ["movie", "series", "channel"];
                break;
            }
            delete catalog.kind;
          }
        }
      }

      return addon;
    },
  },
};