import Benevole from "@/models/Benevole";
import Competence from "@/models/Competence";
import Creneau from "@/models/Creneau";
import Evenement from "@/models/Evenement";
import { MutationTypes } from "@/store/Mutations";
import { StateJSON } from "@/store/State";
import { IRessource, Ressource, RessourceJSON } from "jc-timeline";
import { defineComponent } from "vue";

const keyofEvent: Array<keyof Evenement> = ["name", "uuid", "start", "end"];

export default defineComponent({
  methods: {
    importJsonState(obj: StateJSON, preserve = false) {
      // Remove previous content and load the main event title
      if (preserve == false) {
        this.$store.commit(MutationTypes.resetState, undefined);
        const e = Evenement.fromJSON(obj.evenement);
        for (const k of keyofEvent) {
          this.$store.commit(MutationTypes.editEvenement, {
            field: k,
            value: e[k],
          });
        }
      }
      // Import constraint
      obj.competences.forEach((c) => {
        this.$store.commit(MutationTypes.addConstraint, Competence.fromJSON(c));
      });
      // Import Benevoles
      obj.benevoles.forEach((b) => {
        this.$store.commit(MutationTypes.addBenevole, Benevole.fromJSON(b));
      });
      // Import creneau group
      const dict: { [k: string]: RessourceJSON } = {};
      obj.creneauGroups.forEach((element) => {
        dict[element.id] = element;
      });
      // map parent to children
      const creneauGroups = obj.creneauGroups.map((ressource) => {
        const iRessource: IRessource = { ...ressource };
        if (iRessource.parentId) {
          if (iRessource.parentId in dict) {
            iRessource.parent = dict[iRessource.parentId];
          } else {
            throw new Error("Missing parent of creneau group : " + ressource.id);
          }
        }
        return iRessource;
      });
      // Push the items to this application
      creneauGroups.forEach((r) => {
        this.$store.commit(MutationTypes.addCreneauGroup, new Ressource(r));
      });
      // Import Creneau
      for (const c of obj.creneaux) {
        const creneau = Creneau.fromJSON(c);
        this.$store.commit(MutationTypes.addCreneau, creneau);
        // add the creneau to the corresponding benevole
        for (const id of creneau.benevoleIdList) {
          const b = this.$store.getters.getBenevoleById(id);
          if (b) {
            this.$store.commit(MutationTypes.editBenevole, {
              id: id,
              field: "creneauIdList",
              value: Array.from(new Set([...b.creneauIdList, creneau.id])),
            });
          } else {
            throw new Error(`The benevole ${id} was not find `);
          }
        }
      }
    },
  },
});