<template>
  <!-- QUICK NAV -->
  <nav id="QuickNav" class="fixed bottom-0 left-0 right-0 bg-slate-200">
    <ul class="flex text-2xl p-2 gap-2">
      <!-- Home Feed -->
      <li class="basis-1/5 rounded-md text-slate-500">
        <router-link :to="{ name: 'home' }" class="block text-center py-3 px-1"
          ><fa icon="house-chimney" class="fa-fw"></fa
        ></router-link>
      </li>
      <!-- Search -->
      <li class="basis-1/5 rounded-md bg-slate-400 text-white">
        <router-link
          :to="{ name: 'discover' }"
          class="block text-center py-3 px-1"
          ><fa icon="magnifying-glass" class="fa-fw"></fa
        ></router-link>
      </li>
      <!-- Contacts -->
      <li class="basis-1/5 rounded-md text-slate-500">
        <router-link
          :to="{ name: 'contacts' }"
          class="block text-center py-3 px-1"
          ><fa icon="folder-open" class="fa-fw"></fa
        ></router-link>
      </li>
      <!-- Commitments -->
      <li class="basis-1/5 rounded-md text-slate-500">
        <router-link :to="{ name: '' }" class="block text-center py-3 px-1"
          ><fa icon="hand" class="fa-fw"></fa
        ></router-link>
      </li>
      <!-- Profile -->
      <li class="basis-1/5 rounded-md text-slate-500">
        <router-link
          :to="{ name: 'account' }"
          class="block text-center py-3 px-1"
          ><fa icon="circle-user" class="fa-fw"></fa
        ></router-link>
      </li>
    </ul>
  </nav>

  <section id="Content" class="p-6 pb-24">
    <!-- Heading -->
    <h1 id="ViewHeading" class="text-4xl text-center font-light pt-4 mb-8">
      My Contacts
    </h1>

    <div>
      {{ errorMessage }}
    </div>

    <!-- New Contact -->
    <div class="mb-4 flex">
      <input
        type="text"
        placeholder="DID, Name, Public Key"
        class="block w-full rounded-l border border-r-0 border-slate-400 px-3 py-2"
        v-model="contactInput"
      />
      <button
        class="px-4 rounded-r bg-slate-200 border border-l-0 border-slate-400"
        @click="onClickNewContact()"
      >
        <fa icon="plus" class="fa-fw"></fa>
      </button>
    </div>

    <!-- eslint-disable-next-line -->
    <div
      class="block flex w-full"
    >
      <!-- eslint-disable-next-line -->
      <button
        href=""
        class="text-md uppercase bg-slate-500 text-white px-1.5 py-2 rounded-md mb-6"
        v-if="showGiveTotals"
        @click="loadGives()"
      >
        Load Totals
      </button>
    </div>

    <!-- Results List -->
    <ul class="">
      <li
        class="border-b border-slate-300"
        v-for="contact in contacts"
        :key="contact.did"
      >
        <div class="grow overflow-hidden">
          <h2 class="text-base font-semibold">
            {{ contact.name || "(no name)" }}
          </h2>
          <div class="text-sm truncate">{{ contact.did }}</div>
          <div class="text-sm truncate">{{ contact.publicKeyBase64 }}</div>
          <div v-if="showGiveTotals" class="float-right">
            <div class="float-right">
              to: {{ contactGivenTotals[contact.did] || 0 }}
            </div>
            <br />
            <div class="float-right">
              from: {{ contactReceivedTotals[contact.did] || 0 }}
            </div>
          </div>
        </div>
      </li>
    </ul>
  </section>
</template>

<script lang="ts">
import { Options, Vue } from "vue-class-component";
import { IIdentifier } from "@veramo/core";

import { AppString } from "@/constants/app";
import { accessToken } from "@/libs/crypto";
import { db } from "../db";
import { Contact } from "../db/tables/contacts.ts";

@Options({
  components: {},
})
export default class ContactsView extends Vue {
  contacts: Contact[] = [];
  contactInput = "";
  // { "did:...": amount } entry for each contact
  contactGivenTotals = {};
  // { "did:...": amount } entry for each contact
  contactReceivedTotals = {};
  identity: IIdentifier = null;
  errorMessage = "";
  showGiveTotals = false;

  // 'created' hook runs when the Vue instance is first created
  async created() {
    await db.open();
    this.contacts = await db.contacts.toArray();

    const params = new URLSearchParams(window.location.search);
    this.showGiveTotals = params.get("showGiveTotals") == "true";

    const accounts = await db.accounts.toArray();
    this.identity = JSON.parse(accounts[0].identity);
  }

  async onClickNewContact(): void {
    let did = this.contactInput;
    let name, publicKeyBase64;
    const commaPos1 = this.contactInput.indexOf(",");
    if (commaPos1 > -1) {
      did = this.contactInput.substring(0, commaPos1).trim();
      name = this.contactInput.substring(commaPos1 + 1).trim();
      const commaPos2 = this.contactInput.indexOf(",", commaPos1 + 1);
      if (commaPos2 > -1) {
        name = this.contactInput.substring(commaPos1 + 1, commaPos2).trim();
        publicKeyBase64 = this.contactInput.substring(commaPos2 + 1).trim();
      }
    }
    const newContact = { did, name, publicKeyBase64 };
    await db.contacts.add(newContact);
    this.contacts = this.contacts.concat([newContact]);
  }

  async loadGives() {
    const endorserApiServer = AppString.DEFAULT_ENDORSER_API_SERVER;

    // load all the time I have given
    try {
      const url =
        endorserApiServer +
        "/api/v2/report/gives?agentId=" +
        encodeURIComponent(this.identity.did);
      const token = await accessToken(this.identity);
      const headers = {
        "Content-Type": "application/json",
        Authorization: "Bearer " + token,
      };
      const resp = await this.axios.get(url, { headers });
      //console.log("Server response", resp.status, resp.data);
      if (resp.status === 200) {
        const contactTotals = {};
        for (const give of resp.data.data) {
          if (give.unit == "HUR") {
            const prevAmount = contactTotals[give.recipientDid] || 0;
            contactTotals[give.recipientDid] = prevAmount + give.amount;
          }
        }
        //console.log("Done retrieving gives", contactTotals);
        this.contactGivenTotals = contactTotals;
      }
    } catch (error) {
      this.errorMessage = "" + error;
    }

    // load all the time I have received
    try {
      const url =
        endorserApiServer +
        "/api/v2/report/gives?recipientId=" +
        encodeURIComponent(this.identity.did);
      const token = await accessToken(this.identity);
      const headers = {
        "Content-Type": "application/json",
        Authorization: "Bearer " + token,
      };
      const resp = await this.axios.get(url, { headers });
      //console.log("Server response", resp.status, resp.data);
      if (resp.status === 200) {
        const contactTotals = {};
        for (const give of resp.data.data) {
          if (give.unit == "HUR") {
            const prevAmount = contactTotals[give.agentDid] || 0;
            contactTotals[give.agentDid] = prevAmount + give.amount;
          }
        }
        //console.log("Done retrieving receipts", contactTotals);
        this.contactReceivedTotals = contactTotals;
      }
    } catch (error) {
      this.errorMessage = "" + error;
    }
  }
}
</script>
