<template>
  <pw-section class="green" icon="history" label="History" ref="history">
    <ul>
      <li id="filter-history">
        <input aria-label="Search" type="text" placeholder="search history" v-model="filterText" />
      </li>
    </ul>
    <ul v-if="history.length !== 0">
      <div class="show-on-small-screen">
        <li>
          <button class="icon">
            <i class="material-icons">details</i>
          </button>
        </li>
        <li>
          <button class="icon">
            <i class="material-icons">change_history</i>
          </button>
        </li>
      </div>
      <li>
        <button class="icon" @click="sort_by_label()">
          Label
        </button>
      </li>
      <li>
        <button class="icon" @click="sort_by_time()">
          Time
        </button>
      </li>
      <li>
        <button class="icon" @click="sort_by_status_code()">
          Status
        </button>
      </li>
      <li>
        <button class="icon" @click="sort_by_url()">
          URL
        </button>
      </li>
      <li>
        <button class="icon" @click="sort_by_path()">
          Path
        </button>
      </li>
      <transition name="smooth" v-if="show">
        <li>
          <ul>
            <li>
              <button class="icon" @click="sort_by_duration()">
                Duration
              </button>
            </li>
            <li>
              <button class="icon">
                Pre-script
              </button>
            </li>
          </ul>
        </li>
      </transition>
      <div class="show-on-small-screen">
        <li>
          <button class="icon" @click="enableHistoryClearing" v-tooltip="'Clear History'">
            <i class="material-icons">clear_all</i>
          </button>
        </li>
        <li>
          <button class="icon" @click="toggleCollapse()" v-tooltip="{ content: !show ? 'Show more' : 'Hide more'}">
            <i class="material-icons" v-if="!show">first_page</i>
            <i class="material-icons" v-else>last_page</i>
          </button>
        </li>
      </div>
    </ul>
    <virtual-list class="virtual-list" :class="{filled: filteredHistory.length}" :size="56" :remain="Math.min(5, filteredHistory.length)">
      <ul v-for="(entry, index) in filteredHistory" :key="index" class="entry">
        <div class="show-on-small-screen">
          <li>
            <button class="icon" :class="{ stared: entry.star }" @click="toggleStar(index)" v-tooltip="{ content: !entry.star ? 'Add star' : 'Remove star'}">
              <i class="material-icons" v-if="entry.star">star</i>
              <i class="material-icons" v-else>star_border</i>
            </button>
          </li>
          <li>
            <button class="icon" v-tooltip="{ content: !entry.usesScripts ? 'No pre-request script' : 'Used pre-request script'}">
              <i class="material-icons" v-if="!entry.usesScripts">http</i>
              <i class="material-icons" v-else>code</i>
            </button>
          </li>
        </div>
        <li>
          <input aria-label="Label" type="text" readonly :value="entry.label" placeholder="No label" />
        </li>
        <li>
          <input aria-label="Time" type="text" readonly :value="entry.time" v-tooltip="entry.date" />
        </li>
        <li class="method-list-item">
          <input aria-label="Method" type="text" readonly :value="entry.method" :class="findEntryStatus(entry).className" :style="{'--status-code': entry.status}" />
          <span class="entry-status-code" :class="findEntryStatus(entry).className" :style="{'--status-code': entry.status}">{{entry.status}}</span>
        </li>
        <li>
          <input aria-label="URL" type="text" readonly :value="entry.url" placeholder="No URL" />
        </li>
        <li>
          <input aria-label="Path" type="text" readonly :value="entry.path" placeholder="No path" />
        </li>
        <transition name="smooth">
          <div v-if="show" class="show-on-small-screen">
            <li>
              <input aria-label="Duration" type="text" readonly :value="entry.duration" placeholder="No duration" />
            </li>
            <li>
              <input aria-label="Pre Request Script" type="text" readonly :value="entry.preRequestScript" placeholder="No pre request script" />
            </li>
          </div>
        </transition>
        <div class="show-on-small-screen">
          <li>
            <button v-tooltip="'Delete entry'" class="icon" :id="'delete-button#'+index" @click="deleteHistory(entry)" aria-label="Delete">
              <i class="material-icons">delete</i>
            </button>
          </li>
          <li>
            <button v-tooltip="'Edit entry'" class="icon" :id="'use-button#'+index" @click="useHistory(entry)" aria-label="Edit">
              <i class="material-icons">edit</i>
            </button>
          </li>
        </div>
      </ul>
    </virtual-list>
    <ul :class="{hidden: filteredHistory.length != 0 || history.length === 0 }">
      <li>
        <label>Nothing found "{{filterText}}"</label>
      </li>
    </ul>
    <ul v-if="history.length === 0">
      <li>
        <label>History is empty</label>
      </li>
    </ul>
    <ul v-if="history.length !== 0">
      <li v-if="!isClearingHistory">
        <button class="icon" id="clear-history-button" :disabled="history.length === 0" @click="enableHistoryClearing">
          <i class="material-icons">clear_all</i>
          <span>Clear All</span>
        </button>
      </li>
      <li v-else>
        <div class="flex-wrap">
          <label for="clear-history-button">Are you sure?</label>
          <div>
            <button class="icon" id="confirm-clear-history-button" @click="clearHistory">Yes</button>
            <button class="icon" id="reject-clear-history-button" @click="disableHistoryClearing">No</button>
          </div>
        </div>
      </li>
    </ul>
  </pw-section>
</template>

<style scoped lang="scss">
  .virtual-list {
    min-height: 90px;

    [readonly] {
      cursor: default;
    }
  }

  label {

    &:hover {
      cursor: pointer;
      color: var(--fg-color);
    }
  }

  .smooth-enter-active,
  .smooth-leave-active {
    transition: all 0.2s;
  }

  .smooth-enter,
  .smooth-leave-to {
    opacity: 0;
  }

  .stared {
    color: #F8E81C !important;
  }

  @media (max-width: 720px) {
    .virtual-list.filled {
      min-height: 320px;
    }
  }

</style>

<script>
  import VirtualList from "vue-virtual-scroll-list";
  import section from "./section";
  import {
    findStatusGroup
  } from "../pages/index";

  const updateOnLocalStorage = (propertyName, property) =>
    window.localStorage.setItem(propertyName, JSON.stringify(property));
  export default {
    components: {
      "pw-section": section,
      VirtualList
    },
    data() {
      const localStorageHistory = JSON.parse(
        window.localStorage.getItem("history")
      );
      return {
        history: localStorageHistory || [],
        filterText: "",
        showFilter: false,
        isClearingHistory: false,
        reverse_sort_label: false,
        reverse_sort_time: false,
        reverse_sort_status_code: false,
        reverse_sort_url: false,
        reverse_sort_path: false,
        show: false
      };
    },
    computed: {
      filteredHistory() {
        return this.history.filter(entry => {
          const filterText = this.filterText.toLowerCase();
          return Object.keys(entry).some(key => {
            let value = entry[key];
            value = typeof value !== "string" ? value.toString() : value;
            return value.toLowerCase().includes(filterText);
          });
        });
      }
    },
    methods: {
      clearHistory() {
        this.history = [];
        this.filterText = "";
        this.disableHistoryClearing();
        updateOnLocalStorage("history", this.history);
        this.$toast.error("History Deleted", {
          icon: "delete"
        });
      },
      useHistory(entry) {
        this.$emit("useHistory", entry);
      },
      findEntryStatus(entry) {
        const foundStatusGroup = findStatusGroup(entry.status);
        return (
          foundStatusGroup || {
            className: ""
          }
        );
      },
      deleteHistory(entry) {
        this.history.splice(this.history.indexOf(entry), 1);
        if (this.history.length === 0) {
          this.filterText = "";
        }
        updateOnLocalStorage("history", this.history);
        this.$toast.error("Deleted", {
          icon: "delete"
        });
      },
      addEntry(entry) {
        this.history.push(entry);
        updateOnLocalStorage("history", this.history);
      },
      enableHistoryClearing() {
        if (!this.history || !this.history.length) return;
        this.isClearingHistory = true;
      },
      disableHistoryClearing() {
        this.isClearingHistory = false;
      },
      sort_by_time() {
        let byDate = this.history.slice(0);
        byDate.sort((a, b) => {
          let date_a = a.date.split("/");
          let date_b = b.date.split("/");
          let time_a = a.time.split(":");
          let time_b = b.time.split(":");
          let final_a = new Date(
            date_a[2],
            date_a[1],
            date_a[0],
            time_a[0],
            time_a[1],
            time_a[2]
          );
          let final_b = new Date(
            date_b[2],
            date_b[1],
            date_b[0],
            time_b[0],
            time_b[1],
            time_b[2]
          );
          if (this.reverse_sort_time) return final_b - final_a;
          else return final_a - final_b;
        });
        this.history = byDate;
        this.reverse_sort_time = !this.reverse_sort_time;
      },
      sort_by_status_code() {
        let byCode = this.history.slice(0);
        byCode.sort((a, b) => {
          if (this.reverse_sort_status_code) return b.status - a.status;
          else return a.status - b.status;
        });
        this.history = byCode;
        this.reverse_sort_status_code = !this.reverse_sort_status_code;
      },
      sort_by_url() {
        let byUrl = this.history.slice(0);
        byUrl.sort((a, b) => {
          if (this.reverse_sort_url)
            return a.url == b.url ? 0 : +(a.url < b.url) || -1;
          else return a.url == b.url ? 0 : +(a.url > b.url) || -1;
        });
        this.history = byUrl;
        this.reverse_sort_url = !this.reverse_sort_url;
      },
      sort_by_label() {
        let byLabel = this.history.slice(0);
        byLabel.sort((a, b) => {
          if (this.reverse_sort_label)
            return a.label == b.label ? 0 : +(a.label < b.label) || -1;
          else return a.label == b.label ? 0 : +(a.label > b.label) || -1;
        });
        this.history = byLabel;
        this.reverse_sort_label = !this.reverse_sort_label;
      },
      sort_by_path() {
        let byPath = this.history.slice(0);
        byPath.sort((a, b) => {
          if (this.reverse_sort_path)
            return a.path == b.path ? 0 : +(a.path < b.path) || -1;
          else return a.path == b.path ? 0 : +(a.path > b.path) || -1;
        });
        this.history = byPath;
        this.reverse_sort_path = !this.reverse_sort_path;
      },
      sort_by_duration() {
        let byDuration = this.history.slice(0);
        byDuration.sort((a, b) => {
          if (this.reverse_sort_duration)
            return a.duration == b.duration ? 0 : +(a.duration < b.duration) || -1;
          else return a.duration == b.duration ? 0 : +(a.duration > b.duration) || -1;
        });
        this.history = byDuration;
        this.reverse_sort_duration = !this.reverse_sort_duration;
      },
      toggleCollapse() {
        this.show = !this.show
      },
      toggleStar(index) {
        this.history[index]["star"] = !this.history[index]["star"];
        updateOnLocalStorage("history", this.history);
      }
    }
  };

</script>
