const mergeContents = (hqObj, dealerObj) => {
  const mergeFirstLevel = (hqObj, dealerObj) => {
    const toInheritFromDealer = [
      "dealerCode",
      "isCreatedByHq",
      "revision",
      "status",
      "original",
      "createdBy",
      "updatedBy",
      "createdAt",
      "updatedAt",
      "expireAt",
      "active",
    ];

    // Every key from HQ except the keys in toInheritFromDealer
    const toCheckForOverride = Object.keys(hqObj).filter(
      (_) => !toInheritFromDealer.includes(_)
    );

    /// For each key to be overrided
    for (const key of toCheckForOverride) {
      if (key === "content") {
        mergeDeepLevels(
          hqObj["content"]["blocks"],
          dealerObj["content"]["blocks"]
        );
      } else {
        dealerObj[key] = hqObj[key];
      }
    }

    return dealerObj;
  };

  const mergeDeepLevels = (hqContent, dealerContent) => {
    const toCheckForOverride = Object.keys(hqContent);

    for (const key of toCheckForOverride) {
      if (isObject(hqContent[key])) {
        /// hqContent[key] is an object
        if (isObject(dealerContent[key]) && !isEmptyOrNotObject(dealerContent[key])) {
          // Both are objects
          if (hqContent[key].isLocked) {
            mergeDeepLevels(hqContent[key], dealerContent[key]);
          }
        } else {
          // dealerContect did not previusly containt key
          if (
            dealerContent[key] === undefined ||
            isEmptyOrNotObject(dealerContent[key])
          ) {
            console.log("overriding object since not existing", key);
            dealerContent[key] = { ...hqContent[key] };
          }
        }
      } else {
        /// Is primitive
        if (hqContent.isLocked) {
          dealerContent[key] = hqContent[key];
        }
      }
    }
  };

  return mergeFirstLevel(hqObj, dealerObj);
};

const isObject = (item) => item && typeof item === "object";

const isEmptyOrNotObject = (obj) =>
  isObject(obj) ? Object.keys(obj).length === 0 : true;

let hq = {
  dealerCode: null,
  isCreatedByHq: true,
  sitemapId: "Pagina Rossocorsa",
  parentId: null,
  title: "Pagina Rossocorsa",
  internalTitle: "Pagina Rossocorsa",
  locale: "it",
  content: {
    blocks: [
      {
        type: "TextBlock",
        isLocked: true,
        isPinned: false,
        palette: "",
        variant: "text_centered",
        preTitle: "Pre title",
        title: "Title",
        subTitle: "Subtitle",
        slug: "slug",
        description: "Description",
        cta: {
          content: "Content Cta 1",
          url:
            "http://localhost:4200/back-office/cms/dws-pages/edit/60102ac170155b59983481f6",
          target: "_blank",
        },
        cta2: null,
        cta3: null,
        chapter: {
          name: "Chapter",
          nav: false,
        },
      },
      {
        type: "DWSCoverCarousel",
        isLocked: true,
        isPinned: false,
        scrollpointer: false,
        items: [
          {
            type: "DwsCover",
            isLocked: true,
            isPinned: false,
            owner: "hidden",
            palette: "f8-tributo",
            gradient: false,
            title: "Title 1",
            preTitle: "Pre Title 1",
            chapter: {
              name: "Chapter 1",
              nav: false,
            },
            scrollIndicator: false,
            link: {
              content: "",
              title: "",
              url: "",
              target: "_blank",
            },
            cta2: {
              content: "Content Cta 2",
              url:
                "http://localhost:4200/back-office/cms/dws-pages/edit/6011491d70155b59983482bd",
              target: "_blank",
            },
            cta3: null,
            background: null,
          },
          {
            type: "DwsCover",
            isLocked: true,
            isPinned: false,
            owner: "hidden",
            palette: "dark",
            gradient: false,
            title: "Title 2",
            preTitle: "Pre Title 2",
            chapter: {
              name: "Chapter 2",
              nav: false,
            },
            scrollIndicator: false,
            link: {
              content: "",
              title: "",
              url: "",
              target: "_blank",
            },
            cta2: null,
            cta3: null,
            background: {
              type: "image",
              media: {
                landscapeBig: {
                  id: "1-land",
                },
                portraitMedium: {
                  id: "1-portait",
                },
              },
            },
          },
          {
            type: "DwsCover",
            isLocked: false,
            isPinned: false,
            owner: "hidden",
            palette: "",
            gradient: false,
            title: "Title 3",
            preTitle: "Pre title 3",
            chapter: {
              name: "Chapter 3",
              nav: false,
            },
            scrollIndicator: false,
            link: {
              content: "",
              title: "",
              url: "",
              target: "_blank",
            },
            cta2: null,
            cta3: {
              content: "Cta 3 content",
              url:
                "http://localhost:4200/back-office/cms/dws-pages/edit/6011491d70155b59983482bd",
              target: "_blank",
            },
            background: null,
          },
        ],
      },
    ],
  },
  slug: "pagina-rossocorsa",
  status: "published",
  publishedAt: "2021-01-19T11:37:15.353Z",
  id: "60118dad28de2d312c16da4d",
  original: "6006c1cd98dab63f18ac8a22",
  createdBy: null,
  updatedBy: null,
  createdAt: "2021-01-27T15:58:37.966Z",
  updatedAt: "2021-01-28T11:31:23.746Z",
  expireAt: "2021-02-28T11:31:23.519Z",
  revision: 20,
  active: false,
};

let dealer = {
  dealerCode: "052222",
  isCreatedByHq: false,
  sitemapId: "Pagina Rossocorsa",
  parentId: null,
  title: "Pagina Rossocorsa",
  internalTitle: "Pagina Rossocorsa",
  locale: "it",
  content: {
    blocks: [
      {
        cta: {},
        chapter: {},
      },
      {
        items: [
          {
            chapter: {},
            link: {},
            cta2: {},
          },
          {
            chapter: {},
            link: {},
            background: {
              media: {
                landscapeBig: {},
                portraitMedium: {},
              },
            },
          },
          {
            type: "DwsCover",
            isLocked: false,
            isPinned: false,
            owner: "hidden",
            palette: "",
            gradient: false,
            title: "Title 3",
            preTitle: "Pre title 3",
            chapter: {},
            scrollIndicator: false,
            link: {},
            cta2: null,
            cta3: {},
            background: null,
          },
        ],
      },
    ],
  },
  slug: "pagina-rossocorsa",
  status: "published",
  publishedAt: "2021-01-19T11:37:15.353Z",
  original: "6006c1cd98dab63f18ac8a22",
  createdBy: null,
  updatedBy: null,
  createdAt: "2021-01-27T15:58:37.966Z",
  updatedAt: "2021-01-28T11:31:23.746Z",
  expireAt: "2021-02-28T11:31:23.519Z",
  revision: 20,
  active: false,
};