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';
import { Grammar } from '../grammar.js';

const FILTER_GROUPS = [
  { group: 'type', label: "Type d'objet" },
  { group: 'comestible', label: 'Alimentaire' },
  { group: 'utilisation', label: 'Utilisation' },
  { 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, milieux) => item.getUtilisation() == 'cuisine' },
  { group: 'comestible', code: 'pret', label: 'Préparé', check: (item, milieux) => item.getUtilisationCuisine() == 'pret' },
  { group: 'comestible', code: 'brut', label: 'A préparer', check: (item, milieux) => item.getUtilisationCuisine() == 'brut' },
  { group: 'comestible', code: 'boisson', label: 'Boisson', check: (item, milieux) => item.isBoisson() },
  { group: 'comestible', code: 'alcool', label: 'Alcool', check: (item, milieux) => item.isAlcool() },
  { group: 'comestible', code: 'immangeable', label: 'Immangeable', check: (item, milieux) => item.isInventaire() && item.getUtilisation() != 'cuisine' },

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

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

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

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


function $filterMilieux(milieux) {
  return milieux.map(m => {
    return {
      code: m,
      label: m,
      check: (item, milieux) => 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, milieux) => item.getRaretes(milieux).map(it => it.code).includes(r.code)
      }
    });
}

function $filterTypes() {
  return RdDItem.getItemTypesInventaire().map(type => {
    return {
      group: 'type',
      code: type,
      label: Misc.typeName('Item', type),
      check: (item, milieux) => item.type == type
    };
  });
}

function $getAllFilters() {
  return FILTERS
    .concat($filterTypes())
    .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 foundry.utils.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 milieux = await game.system.rdd.environnement.milieux();
    const parameters = {
      milieux: milieux,
      filterMilieux: $filterMilieux(milieux),
      filterGroups: foundry.utils.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() {
    return foundry.utils.mergeObject(await super.getData(), this.parameters)
  }

  _canDragStart() { return true; }
  _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;

    this.showFilterGroup(this.html, false);

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

    this.html.find("input:is(.activate-filter-group,.activate-filter-milieu)").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');
    })
  }

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

  supprimerFiltres() {
    this.html.find('input:is(.activate-filter-group,.activate-filter-milieu)').prop("checked", false);
    this.html.find('div.liste-resultats-recherche').html('');
    this.html.find('.section-filters-text input.recherche').val('');
  }

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

  async buildTable() {
    const milieux = this.getSelectedMilieux();
    const filterItemMilieux = this.buildCheckedGroupFilter(milieux);
    const filter = it => filterItemMilieux(it, milieux);
    const itemFrequence = it => it.getFrequence(milieux);
    return await game.system.rdd.environnement.buildTable(itemFrequence, filter)
  }

  buildMilieuxFilter(milieux) {
    if (milieux) {
      return this.buildOrFilter(this.parameters.filterMilieux.filter(it => milieux.includes(it.code)).map(f => f.check));
    }
    return (it, mi) => true;
  }
  buildFilterRechercheName() {
    const recherche = this.html.find('.section-filters-text input.recherche').val();
    if (recherche) {
      return  (it, mi) => Grammar.includesLowerCaseNoAccent(it.name, recherche);
    }
    return (it, mi) => true;
  }

  buildCheckedGroupFilter(milieux) {
    const filtersList = this.getGroupCheckedFilters()
      .map(gf => this.buildOrFilter(gf.filters.map(f => f.check)));
    filtersList.push(this.buildMilieuxFilter(milieux));
    filtersList.push(this.buildFilterRechercheName());
    return this.buildAndFilter(filtersList)
  }

  buildAndFilter(filters) { return filters.reduce((f1, f2) => { return (it, mi) => f1(it, mi) && f2(it, mi); }); }
  buildOrFilter(filters) { return filters.reduce((f1, f2) => { return (it, mi) => f1(it, mi) || f2(it, mi); }); }

  changeListeFiltresActifs() {
    const milieux = this.getSelectedMilieux();
    const summariesList = this.getGroupCheckedFilters()
      .map(gf => {
        return gf.group.label + ': ' + gf.filters
          .map(f => f.label)
          .reduce(Misc.joining(', '))
      });
    if (milieux) {
      summariesList.push('Milieux: ' + this.parameters.filterMilieux.filter(f => milieux.includes(f.code)).map(f => f.label).reduce(Misc.joining(', ')))
    }
    const fullText = summariesList.length == 0 ? "" : summariesList.reduce(Misc.joining(' - '));
    this.html.find('span.liste-filtres-actifs').text(fullText);
  }

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

    const entries = Object.entries(Misc.classify(checkedGroupFilters, it => it.group));
    return entries.map(([key, list]) => {
      const group = this.parameters.filterGroups.find(g => g.group == key);
      const filters = list.map(it => group.filters.find(f => it.code == f.code));
      return { group, filters };
    });
  }

  getSelectedMilieux() {
    const milieux = jQuery.map(this.html.find('input.activate-filter-milieu:checked'), it => {
      return this.html.find(it).data('code');
    });
    return milieux.length == 0 ? undefined : milieux
  }


  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 => foundry.utils.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();
  }
}