import { RdDItem } from '../item.js';
import { HtmlUtility } from '../html-utility.js';
import { Misc } from "../misc.js";
import { CompendiumTableHelpers } from '../settings/system-compendiums.js';
import { RdDRaretes } from '../item/raretes.js';

const FILTER_GROUPS = [
  { group: 'type', label: "Type d'objet" },
  { group: 'comestible', label: 'Alimentaire' },
  { group: 'categorie', label: 'Utilisation' },
  { group: 'milieu', label: 'Milieu' },
  { group: 'rarete', label: 'Rarete' },
  { group: 'qualite', label: 'Qualité' },
  { group: 'enc', label: 'Encombrement' },
  { group: 'prix', label: 'Prix' },
]

const FILTERS = [
  { group: 'comestible', code: 'comestible', label: 'Comestible', check: item => item.getUtilisation() == 'cuisine' },
  { group: 'comestible', code: 'pret', label: 'Préparé', check: item => item.getUtilisationCuisine() == 'pret' },
  { group: 'comestible', code: 'brut', label: 'A préparer', check: item => item.getUtilisationCuisine() == 'brut' },
  { group: 'comestible', code: 'boisson', label: 'Boisson', check: item => item.isBoisson() },
  { group: 'comestible', code: 'alcool', label: 'Alcool', check: item => item.isAlcool() },
  { group: 'comestible', code: 'immangeable', label: 'Immangeable', check: item => item.isInventaire() && item.getUtilisation() != 'cuisine' },

  { group: 'categorie', code: 'alchimie', label: 'Alchimique', check: item => item.isInventaire() && item.getUtilisation() == 'alchimie' },
  { group: 'categorie', code: 'soins', label: 'Médical', check: item => item.isInventaire() && item.getUtilisation() == 'soins' },
  { group: 'categorie', code: 'poison', label: 'Toxique', check: item => item.isInventaire() && item.getUtilisation() == 'poison' },
  { group: 'categorie', code: 'autres', label: 'Autres', check: item => !item.isInventaire() || item.getUtilisation() == '' },

  { group: "qualite", code: "mauvaise", label: "Mauvaise (négative)", check: item => item.isInventaire() && item.system.qualite < 0 },
  { group: "qualite", code: "quelconque", label: "Quelconque (0)", check: item => item.isInventaire() && item.system.qualite == 0 },
  { group: "qualite", code: "correcte", label: "Correcte (1-3)", check: item => item.isInventaire() && 1 <= item.system.qualite && item.system.qualite <= 3 },
  { group: "qualite", code: "bonne", label: "Bonne (4-6)", check: item => item.isInventaire() && 4 <= item.system.qualite && item.system.qualite <= 6 },
  { group: "qualite", code: "excellente", label: "Excellente (7-9)", check: item => item.isInventaire() && 7 <= item.system.qualite && item.system.qualite <= 9 },
  { group: "qualite", code: "mythique", label: "Mythique (10+)", check: item => item.isInventaire() && 10 <= item.system.qualite },

  { group: "enc", code: "negligeable", label: "Négligeable (jusqu'à 0.1)", check: item => item.isInventaire() && item.system.encombrement <= 0.1 },
  { group: "enc", code: "leger", label: "Léger (0.1 à 0.5)", check: item => item.isInventaire() && 0.1 < item.system.encombrement && item.system.encombrement <= 0.5 },
  { group: "enc", code: "moyen", label: "Moyen (0.5 à 1.5)", check: item => item.isInventaire() && 0.5 < item.system.encombrement && item.system.encombrement <= 1.5 },
  { group: "enc", code: "lourd", label: "Lourd (1.5 à 3)", check: item => item.isInventaire() && 1.5 < item.system.encombrement && item.system.encombrement <= 3 },
  { group: "enc", code: "massif", label: "Massif (3 à 10)", check: item => item.isInventaire() && 3 < item.system.encombrement && item.system.encombrement <= 10 },
  { group: "enc", code: "anemort", label: "Un âne mort (plus de 10)", check: item => item.isInventaire() && 10 < item.system.encombrement },

  { group: "prix", code: "gratuit", label: "Gratuit", check: item => item.isInventaire() && item.system.cout == 0 },
  { group: "prix", code: "deniers", label: "Deniers (étain)", check: item => item.isInventaire() && 0 < item.system.cout && item.system.cout < 0.1 },
  { group: "prix", code: "bronze", label: "Sous (bronze)", check: item => item.isInventaire() && 0.1 <= item.system.cout && item.system.cout < 1 },
  { group: "prix", code: "sols", label: "Sols (argent)", check: item => item.isInventaire() && 1 <= item.system.cout && item.system.cout < 10 },
  { group: "prix", code: "dragons", label: "Dragons (or)", check: item => item.isInventaire() && 10 <= item.system.cout },
]


function $typeToFilter(type) { return { group: 'type', code: type, label: Misc.typeName('Item', type), check: item => item.type == type }; }

function $filterMilieux(milieux) {
  return milieux.map(m => { return { group: 'milieu', code: m, label: m, check: item => item.isPresentDansMilieux(m) } })
}

function $filterRarete() {
  return RdDRaretes.raretes()
    .filter(it => it.frequence > 0)
    .map(r => { return { group: 'rarete', code: r.code, label: r.label, check: item => item.getRarete()?.code == r.code }; });
}

function $filterTypes() {
  return RdDItem.getItemTypesInventaire().map(it => $typeToFilter(it));
}

function $getAllFilters(milieux) {
  return FILTERS
    .concat($filterTypes())
    .concat($filterMilieux(milieux))
    .concat($filterRarete());
}

function $addFilterToGroup(groups, filter) {
  if (filter.group && filter.code && filter.label) {
    let fg = groups.find(g => g.group == filter.group);
    if (fg == undefined) {
      groups.push({ group: filter.group, label: filter.group, filters: [filter] })
    }
    else if (fg.filters == undefined) {
      fg.filters = [filter];
    }
    else {
      fg.filters.push(filter);
    }
  }
  else {
    console.warn("Filtre incorrect, pas de groupe/code/label", filter);
  }
}

function $loadFilters(parameters) {
  $getAllFilters(parameters.milieux).forEach(f => $addFilterToGroup(parameters.filterGroups, f));
}



export class FenetreRechercheTirage extends Application {
  static get defaultOptions() {
    return mergeObject(super.defaultOptions, {
      template: "systems/foundryvtt-reve-de-dragon/templates/tirage/fenetre-recherche-tirage.hbs",
      title: `Recherches et tirages`,
      width: 600,
      height: 600,
      popOut: true,
      dragDrop: [{ dragSelector: "a.content-link" }],
      resizable: true
    });
  }

  static async create() {
    const parameters = {
      milieux: await game.system.rdd.environnement.milieux(),
      filterGroups: duplicate(FILTER_GROUPS).filter(it => it.group),
    }
    const options = {}
    $loadFilters(parameters);

    new FenetreRechercheTirage(parameters, options).render(true);
  }

  constructor(parameters, options) {
    super(options);
    this.parameters = parameters;
  }

  async getData() {
    let formData = super.getData();
    mergeObject(formData, this.parameters)
    return formData;
  }

  _canDragStart() {
    return true;
  }
  _onDragStart(event) {
    console.log('_onDragStart', event)
  }
  _getHeaderButtons() {
    let buttons = super._getHeaderButtons();
    if (game.user.isGM) {
      buttons.unshift({
        class: "configurer",
        label: "Configurer",
        icon: "fas fa-cogs",
        onclick: ev => this.configurer()
      });
    }
    return buttons
  }

  activateListeners(html) {
    super.activateListeners(html);
    this.html = html;

    HtmlUtility.showControlWhen(this.html.find('div.group-filters'), false);
    HtmlUtility.showControlWhen(this.html.find('i.filter-group-hide'), false);
    HtmlUtility.showControlWhen(this.html.find('i.filter-group-show'), true);

    this.html.find("a.filter-group-toggle").click(event => {
      const groupDiv = this.html.find(event.currentTarget)?.parents('div.filter-group').first();
      const visible = groupDiv.find('div.group-filters').first().is(":visible");
      this.showFilterGroup(groupDiv, !visible)
    });

    this.html.find("input.activate-filter").change(event => this.changeListeFiltresActifs())

    this.html.find("a.supprimer-filtres").click(async event => this.supprimerFiltres())

    this.html.find("a.recherche-filtres").click(async event => await this.recherche())

    this.html.find("a.tirage-filtres").click(async event => {
      const table = await this.buildTable();
      const row = await CompendiumTableHelpers.getRandom(table, 'Item')
      await CompendiumTableHelpers.tableRowToChatMessage(row, 'Item');
    })
  }

  supprimerFiltres() {
    this.html.find('div.liste-resultats').html('');
    return this.html.find('input.activate-filter:checked').prop("checked", false);
  }

  async recherche() {
    const table = await this.buildTable();
    const htmlResultats = await renderTemplate(`systems/foundryvtt-reve-de-dragon/templates/tirage/liste-resultats.hbs`, { resultats: table });
    this.html.find('div.liste-resultats').html(htmlResultats);
    this._dragDrop.forEach(dragDropHandler => dragDropHandler.bind(this.element[0]))
  }

  async buildTable() {
    return await game.system.rdd.environnement.buildTable(it => it.getFrequence(), this.buildCheckedItemsFilter())
  }

  buildCheckedItemsFilter() {
    const byGroup = this.getCheckedFiltersByGroup();
    const groupSummaries = Object.entries(byGroup).map(([key, list]) => {
      const group = this.parameters.filterGroups.find(g => key == g.group);
      const filters = list.map(it => it.code).map(code => group.filters.find(f => code == f.code))
      return filters
        .map(f => f.check)
        .reduce((a, b) => { return it => a(it) || b(it) });;
    });
    if (groupSummaries.length == 0) {
      return it => true;
    }
    return groupSummaries.reduce((a, b) => { return it => a(it) && b(it) })
  }

  showFilterGroup(groupDiv, show) {
    if (groupDiv) {
      HtmlUtility.showControlWhen(groupDiv.find('div.group-filters'), show);
      HtmlUtility.showControlWhen(groupDiv.find('i.filter-group-hide'), show);
      HtmlUtility.showControlWhen(groupDiv.find('i.filter-group-show'), !show);
    }
  }

  changeListeFiltresActifs() {
    const byGroup = this.getCheckedFiltersByGroup();
    const groupSummaries = Object.entries(byGroup).map(([key, list]) => {
      const group = this.parameters.filterGroups.find(g => key == g.group);
      const filters = list.map(it => it.code).map(code => group.filters.find(f => code == f.code))
      return group.label + ': ' + filters
        .map(f => f.label)
        .reduce(Misc.joining(', '));;
    });
    const fullText = groupSummaries.length == 0 ? "" : groupSummaries.reduce(Misc.joining(' - '));
    this.html.find('span.liste-filtres-actifs').text(fullText);
  }

  getCheckedFiltersByGroup() {
    const selectedFilters = jQuery.map(this.html.find('input.activate-filter:checked'), it => {
      const element = this.html.find(it);
      return { group: element.data('group'), code: element.data('code') };
    });
    return Misc.classify(selectedFilters, it => it.group);
  }

  async configurer() {
    FenetreRechercheConfiguration.create();
  }
}

class FenetreRechercheConfiguration extends Dialog {
  static async create() {
    const configuration = {
      compendiums: game.packs.filter(it => it.metadata.type == 'Item').map(it => it.metadata)
        .map(it => mergeObject({ selected: game.system.rdd.environnement.compendiums.includes(it.id) }, it))
    }
    const html = await renderTemplate("systems/foundryvtt-reve-de-dragon/templates/tirage/fenetre-recherche-configuration.hbs", configuration);
    new FenetreRechercheConfiguration(html).render(true);
  }

  constructor(html) {
    const options = {
      classes: ["fenetre-recherche-configuration"],
      width: 600,
      height: 'fit-content',
      'max-height': 600,
      height: 'fit-content',
      'z-index': 99999
    };
    const conf = {
      title: 'Configuration de la recherche',
      content: html,
      buttons: {
        "Sauvegarder": { label: "Sauvegarder", callback: async it => { await this.sauvegarder(); } }
      }
    };
    super(conf, options)
  }

  activateListeners(html) {
    this.html = html;
    super.activateListeners(html);
    this.html.find("button.configuration-save").click(event => this.sauvegarder())
  }

  async sauvegarder() {
    const compendiumIds = jQuery.map(this.html.find("input.select-compendium:checked"), it => {
      return this.html.find(it).data('id');
    });
    await game.system.rdd.environnement.saveCompendiums(compendiumIds);
    this.close();
  }
}