const mapContainer = d3.select("#map");
const modal = document.getElementById("country-modal");
const countryName = document.getElementById("country-name");
const countryCategory = document.getElementById("country-category");
const countryData = document.getElementById("country-data");
const closeModalButton = document.getElementById("close-modal");
const legendContainer = document.getElementById("category-legend");
const countrySearchInputDesktop = document.getElementById("country-search");
const countryListContainerDesktop = document.getElementById("country-list");
const countryListCountDesktop = document.getElementById("country-list-count");
const countrySearchInputMobile = document.getElementById("country-search-mobile");
const countryListContainerMobile = document.getElementById("country-list-mobile");
const countryListCountMobile = document.getElementById("country-list-count-mobile");
const openMobileCountryListButton = document.getElementById("open-mobile-country-list");
const closeCountryListModalButton = document.getElementById("close-country-list-modal");
const countryListModal = document.getElementById("country-list-modal");
const legendToggleButton = document.getElementById("toggle-mobile-legend");
const mapTooltip = document.getElementById("map-tooltip");

const worldGeoJsonUrl =
  "https://raw.githubusercontent.com/nvkelso/natural-earth-vector/master/geojson/ne_50m_admin_0_map_units.geojson";
const rawPolicyDataUrl = "./znep_gta_pays_etrangers.txt";

const legacyColorByCode = {
  VERT: "#22c55e",
  BLEU: "#3b82f6",
  ORANGE: "#f59e0b",
  ROUGE: "#ef4444",
};

const colorByAuthorizationCode = {
  "10": "#22c55e",
  "21": "#facc15",
  "22": "#f59e0b",
  "23": "#ef4444",
  "30": "#0a0a0a",
  "99": "#ef4444",
};

const explicitCategoryTitleByCode = {
  "10": "Libre circulation (sans formalité)",
  "21": "Autorisation ministérielle renforcée",
  "22": "Autorisation préalable + avis PSD",
  "23": "Autorisation CFA / autorité assimilée",
  "30": "Interdiction de séjour",
  "99": "Autorisation selon zone de destination",
};

const procedureSummaryByAuthorizationCode = {
  "10": "Déplacement possible sans autorisation préalable spécifique.",
  "21": "Autorisation ministérielle obligatoire avant départ.",
  "22": "Autorisation préalable obligatoire avec avis PSD.",
  "23": "Autorisation CFA (ou autorité assimilée) obligatoire avant départ.",
  "30": "Destination interdite : déplacement non autorisé.",
  "99": "Autorisation variable selon la zone/pays de destination.",
};

const noteServiceUpdateDate = "20260316";
const noteServiceProcedureReference = `ANNEXE II à la circulaire n" l 1 400/ARM/SGA/DRH-MD/SR-RH/SDFM/FM5
du 30 juillet 2024.
Message n"5}l397lARM/CMlAIP du 13 mars2026`;

const defaultCountryColor = "#6b7280";

const forcedPolicyIsoByMatchedParentIso = {
  GB: ["GI"],
  NO: ["BV"],
  US: ["UM"],
};

const mapIsoToPolicyIsoAlias = {
  "CN-TW": "TW",
  TL: "TP",
  CW: "AN",
  SX: "AN",
  BQ: "AN",
};

const mapNameToPolicyIsoAlias = {
  antigua: "AG",
  barbuda: "AG",
  "federation of bosnia and herzegovina": "BA",
  "republic srpska": "BA",
  "flemish region": "BE",
  "walloon region": "BE",
  brussels: "BE",
  gaza: "PS",
  "west bank": "PS",
  "united states minor outlying islands": "UM",
  "autonomous region of bougainville": "PG",
  bougainville: "PG",
  azores: "PT",
  madeira: "PT",
  wales: "GB",
  scotland: "GB",
  england: "GB",
  "northern ireland": "GB",
  "nouvelle caledonie": "FR",
  "new caledonia": "FR",
  "polynesie francaise": "FR",
  "french polynesia": "FR",
  "saint barthelemy": "FR",
  "saint martin": "FR",
  "saint pierre et miquelon": "FR",
  "saint pierre and miquelon": "FR",
  "terres australes et antarctiques francaises": "FR",
  "french southern and antarctic lands": "FR",
  "wallis et futuna": "FR",
  "wallis and futuna": "FR",
  "chypre du nord": "CY",
  "northern cyprus": "CY",
  somaliland: "SO",
  "glacier de siachen": "IN",
  "siachen glacier": "IN",
};

let width = 0;
let height = 0;
let countries = [];
let countryShadowPaths = null;
let countryPaths = null;
let countryPolicyByIso2 = new Map();
let countryPolicyByName = new Map();
let categoryByCode = new Map();
let lastAnalysis = null;
let countryEntries = [];
let countryByKey = new Map();

const svg = mapContainer.append("svg").attr("aria-hidden", "true");
const zoomLayer = svg.append("g");
const countryShadowLayer = zoomLayer
  .append("g")
  .attr("class", "country-shadow-layer")
  .attr("transform", "translate(1.8,1.8)");
const countryLayer = zoomLayer.append("g");

const projection = d3.geoRobinson ? d3.geoRobinson() : d3.geoEqualEarth();
const path = d3.geoPath(projection);

let currentTransform = d3.zoomIdentity;
const zoom = d3
  .zoom()
  .scaleExtent([1, 40])
  .on("start", () => {
    hideCountryTooltip();
  })
  .on("zoom", (event) => {
    currentTransform = event.transform;
    zoomLayer.attr("transform", currentTransform);
  });

function normalizeCountryName(name) {
  return String(name || "")
    .normalize("NFD")
    .replace(/[\u0300-\u036f]/g, "")
    .toLowerCase()
    .replace(/[^a-z0-9]+/g, " ")
    .trim();
}

function getCountryLabel(feature) {
  return (
    feature.properties?.NAME_FR ||
    feature.properties?.NAME_EN ||
    feature.properties?.NAME ||
    "Pays inconnu"
  );
}

function getCountryIso2(feature) {
  const rawIso2 = getCountryIso2Raw(feature);
  if (!rawIso2) {
    return "";
  }

  return mapIsoToPolicyIsoAlias[rawIso2] || rawIso2;
}

function getCountryIso2Raw(feature) {
  const direct = String(feature.properties?.ISO_A2 || "").toUpperCase().trim();
  if (direct && direct !== "-99") {
    return direct;
  }

  const fallback = String(feature.properties?.ISO_A2_EH || "")
    .toUpperCase()
    .trim();
  if (fallback && fallback !== "-99") {
    return fallback;
  }

  return "";
}

function getFlagEmojiFromIso2(iso2) {
  const code = String(iso2 || "").toUpperCase();
  if (!/^[A-Z]{2}$/.test(code)) {
    return "🏳️";
  }

  const first = code.codePointAt(0) + 127397;
  const second = code.codePointAt(1) + 127397;
  return String.fromCodePoint(first, second);
}

function htmlToText(htmlString) {
  const parser = new DOMParser();
  const doc = parser.parseFromString(String(htmlString || ""), "text/html");
  return (doc.body.textContent || "").replace(/\s+/g, " ").trim();
}

function formatDate(yyyymmdd) {
  const value = String(yyyymmdd || "");
  if (!/^\d{8}$/.test(value)) {
    return value;
  }

  if (value === "99991231") {
    return "Sans fin";
  }

  const year = value.slice(0, 4);
  const month = value.slice(4, 6);
  const day = value.slice(6, 8);
  return `${day}/${month}/${year}`;
}

function escapeHtml(value) {
  return String(value)
    .replaceAll("&", "&")
    .replaceAll("<", "&lt;")
    .replaceAll(">", "&gt;")
    .replaceAll("\"", "&quot;")
    .replaceAll("'", "&#39;");
}

function getCategoryDisplayLabel(code, fallbackLabel) {
  return (
    explicitCategoryTitleByCode[String(code || "")] ||
    fallbackLabel ||
    `Catégorie ${code}`
  );
}

function getCategoryColor(code, fallbackColorCode) {
  return (
    colorByAuthorizationCode[String(code || "")] ||
    legacyColorByCode[String(fallbackColorCode || "")] ||
    defaultCountryColor
  );
}

function summarizeProcedureText(rawText, categoryCode) {
  const code = String(categoryCode || "");
  const fallbackSummary = procedureSummaryByAuthorizationCode[code] || "";
  const cleaned = String(rawText || "").replace(/\s+/g, " ").trim();

  if (!cleaned) {
    return fallbackSummary || "Non renseignée";
  }

  const fragments = cleaned
    .split(/[.;]\s+|\n+/)
    .map((value) => value.replace(/^[\s\-•\d).]+/, "").trim())
    .filter(Boolean);

  const keywords =
    /(autorisation|autorise|interdit|interdiction|avis|accord|demande|validation|cfa|psd|minist[eè]re|depart|départ|avant)/i;

  const selected = [];
  for (let i = 0; i < fragments.length; i += 1) {
    const fragment = fragments[i];
    if (fragment.length < 18) {
      continue;
    }
    if (!keywords.test(fragment) && selected.length > 0) {
      continue;
    }
    selected.push(fragment);
    if (selected.length >= 2) {
      break;
    }
  }

  if (selected.length === 0 && fragments.length > 0) {
    selected.push(fragments[0]);
  }

  let literalSummary = selected.join(" / ");
  if (literalSummary.length > 210) {
    literalSummary = `${literalSummary.slice(0, 207)}...`;
  }

  if (!fallbackSummary) {
    return literalSummary || "Non renseignée";
  }

  return literalSummary ? `${fallbackSummary} ${literalSummary}` : fallbackSummary;
}

function isConcernedByMarch2026Note(policy) {
  return (
    String(policy?.beginDate || "") === noteServiceUpdateDate &&
    String(policy?.updateDate || "") === noteServiceUpdateDate
  );
}

function parseFlatTable(flatTable) {
  if (!Array.isArray(flatTable) || flatTable.length < 2) {
    return [];
  }

  const columnCount = Number(flatTable[0]);
  if (!Number.isInteger(columnCount) || columnCount <= 0) {
    return [];
  }

  const headers = flatTable.slice(1, columnCount + 1);
  const rows = [];

  for (let index = columnCount + 1; index < flatTable.length; index += columnCount) {
    const row = {};

    for (let col = 0; col < columnCount; col += 1) {
      row[headers[col]] = flatTable[index + col] ?? "";
    }

    rows.push(row);
  }

  return rows;
}

function isBetterCountryRow(candidate, current) {
  const candidateActive = candidate.ENDDA === "99991231" ? 1 : 0;
  const currentActive = current.ENDDA === "99991231" ? 1 : 0;

  if (candidateActive !== currentActive) {
    return candidateActive > currentActive;
  }

  const candidateBegda = String(candidate.BEGDA || "");
  const currentBegda = String(current.BEGDA || "");
  if (candidateBegda !== currentBegda) {
    return candidateBegda > currentBegda;
  }

  const candidateAedtm = String(candidate.AEDTM || "");
  const currentAedtm = String(current.AEDTM || "");
  return candidateAedtm > currentAedtm;
}

function parsePolicyModel(rawText) {
  const parsedJson = JSON.parse(rawText);

  const rawCountryRows = parseFlatTable(parsedJson.modelmasterListData);
  const rawCategoryRows = parseFlatTable(parsedJson.modelmasterListCatData);

  const countryRowsByIso = new Map();
  rawCountryRows.forEach((row) => {
    const iso2 = String(row.LAND1 || "").toUpperCase().trim();
    if (!iso2) {
      return;
    }

    const current = countryRowsByIso.get(iso2);
    if (!current || isBetterCountryRow(row, current)) {
      countryRowsByIso.set(iso2, row);
    }
  });

  const countriesData = Array.from(countryRowsByIso.values()).map((row) => ({
    iso2: String(row.LAND1 || "").toUpperCase(),
    countryNameFr: String(row.LANDX50 || ""),
    categoryCode: String(row.CATEGORIE || ""),
    categoryLabel: String(row.LBL_CATEGORIE || ""),
    colorCode: String(row.COLOR || ""),
    beginDate: String(row.BEGDA || ""),
    endDate: String(row.ENDDA || ""),
    beginDateText: String(row.BEGDA_TXT || ""),
    endDateText: String(row.ENDDA_TXT || ""),
    updateDate: String(row.AEDTM || ""),
    iconPath: String(row.DESCRIPTIF || ""),
  }));

  const categoriesData = rawCategoryRows.map((row) => ({
    code: String(row.CATEGORIE || ""),
    label: String(row.LBL_CATEGORIE || ""),
    colorCode: String(row.COLOR || ""),
    beginDate: String(row.BEGDA || ""),
    endDate: String(row.ENDDA || ""),
    descriptionHtml: String(row.DESCRIPTIF_WDA || row.DESCRIPTIF || ""),
    descriptionText: htmlToText(row.DESCRIPTIF_WDA || row.DESCRIPTIF || ""),
  }));

  return {
    countriesData,
    categoriesData,
  };
}

function getCountryPolicyForFeature(feature) {
  const iso2 = getCountryIso2(feature);
  if (iso2 && countryPolicyByIso2.has(iso2)) {
    return countryPolicyByIso2.get(iso2);
  }

  const names = [
    feature.properties?.NAME_FR,
    feature.properties?.NAME_EN,
    feature.properties?.NAME,
    feature.properties?.ADMIN,
    feature.properties?.NAME_LONG,
  ];

  for (let i = 0; i < names.length; i += 1) {
    const normalized = normalizeCountryName(names[i]);
    if (normalized && countryPolicyByName.has(normalized)) {
      return countryPolicyByName.get(normalized);
    }

    const aliasIso = mapNameToPolicyIsoAlias[normalized];
    if (aliasIso && countryPolicyByIso2.has(aliasIso)) {
      return countryPolicyByIso2.get(aliasIso);
    }
  }

  return null;
}

function getCountryColor(feature) {
  const policy = getCountryPolicyForFeature(feature);
  if (!policy) {
    return defaultCountryColor;
  }

  return getCategoryColor(policy.categoryCode, policy.colorCode);
}

function moveCountryTooltip(event) {
  if (!mapTooltip.classList.contains("visible")) {
    return;
  }

  const [pointerX, pointerY] = d3.pointer(event, document.body);
  const rawX = Number.isFinite(event?.clientX) ? event.clientX : pointerX;
  const rawY = Number.isFinite(event?.clientY) ? event.clientY : pointerY;

  const offset = 14;
  const tooltipWidth = mapTooltip.offsetWidth || 160;
  const tooltipHeight = mapTooltip.offsetHeight || 36;
  const maxX = window.innerWidth - tooltipWidth - 8;
  const maxY = window.innerHeight - tooltipHeight - 8;
  const x = Math.max(8, Math.min(maxX, rawX + offset));
  const y = Math.max(8, Math.min(maxY, rawY + offset));

  mapTooltip.style.left = `${x}px`;
  mapTooltip.style.top = `${y}px`;
}

function showCountryTooltip(event, feature) {
  mapTooltip.textContent = getCountryLabel(feature);
  mapTooltip.classList.add("visible");
  mapTooltip.setAttribute("aria-hidden", "false");
  moveCountryTooltip(event);
}

function hideCountryTooltip() {
  mapTooltip.classList.remove("visible");
  mapTooltip.setAttribute("aria-hidden", "true");
}

function buildCountryEntries() {
  countryByKey = new Map(countries.map((feature) => [featureKey(feature), feature]));

  countryEntries = countries
    .map((feature) => {
      const policy = getCountryPolicyForFeature(feature);
      const mapIso2 = getCountryIso2Raw(feature);
      const iso2 = mapIso2 || policy?.iso2 || getCountryIso2(feature);
      return {
        key: featureKey(feature),
        name: getCountryLabel(feature),
        iso2,
        flag: getFlagEmojiFromIso2(iso2),
      };
    })
    .sort((a, b) => {
      return a.name.localeCompare(b.name, "fr", { sensitivity: "base" });
    });
}

function renderCountryList(filterValue = "") {
  const normalizedFilter = normalizeCountryName(filterValue);
  const filtered = countryEntries.filter((entry) => {
    const byName = normalizeCountryName(entry.name).includes(normalizedFilter);
    const byIso = String(entry.iso2 || "")
      .toLowerCase()
      .includes(normalizedFilter);
    return byName || byIso;
  });

  const countText = `${filtered.length} / ${countryEntries.length} pays`;
  countryListCountDesktop.textContent = countText;
  countryListCountMobile.textContent = countText;

  let listHtml = "";
  if (filtered.length === 0) {
    listHtml = '<li class="country-list-empty">Aucun pays trouvé.</li>';
  } else {
    listHtml = filtered
      .map((entry) => {
        return `<li><button type="button" class="country-list-item" data-country-key="${escapeHtml(
          entry.key
        )}"><span class="country-list-flag">${entry.flag}</span><span>${escapeHtml(
          entry.name
        )}</span></button></li>`;
      })
      .join("");
  }

  countryListContainerDesktop.innerHTML = listHtml;
  countryListContainerMobile.innerHTML = listHtml;
}

function focusCountryOnMap(feature) {
  const bounds = path.bounds(feature);
  const x0 = bounds?.[0]?.[0];
  const y0 = bounds?.[0]?.[1];
  const x1 = bounds?.[1]?.[0];
  const y1 = bounds?.[1]?.[1];

  if (![x0, y0, x1, y1].every(Number.isFinite)) {
    return;
  }

  const featureWidth = Math.max(1, x1 - x0);
  const featureHeight = Math.max(1, y1 - y0);
  const centerX = (x0 + x1) / 2;
  const centerY = (y0 + y1) / 2;

  // Zoom cible plus fort au clic, ajusté à la taille du pays.
  const autoScale = 0.62 / Math.max(featureWidth / width, featureHeight / height);
  const targetScale = Math.min(20, Math.max(currentTransform.k, 4.5, autoScale));
  const translateX = width / 2 - targetScale * centerX;
  const translateY = height / 2 - targetScale * centerY;
  const targetTransform = d3.zoomIdentity
    .translate(translateX, translateY)
    .scale(targetScale);

  svg.transition().duration(420).call(zoom.transform, targetTransform);
}

function openCountryListModal() {
  countryListModal.classList.add("open");
  countryListModal.setAttribute("aria-hidden", "false");
  countrySearchInputMobile.focus();
}

function closeCountryListModal() {
  countryListModal.classList.remove("open");
  countryListModal.setAttribute("aria-hidden", "true");
}

function closeLegendOnMobile() {
  legendContainer.classList.remove("mobile-open");
  legendToggleButton.setAttribute("aria-expanded", "false");
}

function handleCountryListClick(event) {
  const button = event.target.closest("button[data-country-key]");
  if (!button) {
    return;
  }

  const feature = countryByKey.get(button.dataset.countryKey);
  if (!feature) {
    return;
  }

  focusCountryOnMap(feature);
  openModalForFeature(feature);
  closeCountryListModal();
}

function initCountryListEvents() {
  const syncAndRender = (value, source) => {
    const nextValue = value || "";
    if (source !== "desktop" && countrySearchInputDesktop.value !== nextValue) {
      countrySearchInputDesktop.value = nextValue;
    }
    if (source !== "mobile" && countrySearchInputMobile.value !== nextValue) {
      countrySearchInputMobile.value = nextValue;
    }
    renderCountryList(nextValue);
  };

  countrySearchInputDesktop.addEventListener("input", (event) => {
    syncAndRender(event.target.value, "desktop");
  });

  countrySearchInputMobile.addEventListener("input", (event) => {
    syncAndRender(event.target.value, "mobile");
  });

  countryListContainerDesktop.addEventListener("click", handleCountryListClick);
  countryListContainerMobile.addEventListener("click", handleCountryListClick);

  openMobileCountryListButton.addEventListener("click", openCountryListModal);
  closeCountryListModalButton.addEventListener("click", closeCountryListModal);

  countryListModal.addEventListener("click", (event) => {
    if (event.target === countryListModal) {
      closeCountryListModal();
    }
  });

  legendToggleButton.addEventListener("click", () => {
    const isOpen = legendContainer.classList.toggle("mobile-open");
    legendToggleButton.setAttribute("aria-expanded", String(isOpen));
  });
}

function updateLegend() {
  if (!lastAnalysis) {
    legendContainer.innerHTML = "";
    return;
  }

  const categories = [...lastAnalysis.categoryCounts.entries()].sort((a, b) => {
    if (a[0] === "30" && b[0] !== "30") {
      return 1;
    }
    if (b[0] === "30" && a[0] !== "30") {
      return -1;
    }
    return Number(a[0]) - Number(b[0]);
  });

  const items = categories
    .map(([code, count]) => {
      const category = categoryByCode.get(code);
      const label = getCategoryDisplayLabel(code, category?.label);
      const hex = getCategoryColor(code, category?.colorCode);
      return `<li><span class="legend-swatch" style="background:${hex}"></span><span>Code ${code} - ${label} (${count})</span></li>`;
    })
    .join("");

  legendContainer.innerHTML = `<h3>Légende catégories</h3><ul>${items}</ul>`;
}

function setCountryDataHtml(lines) {
  const rows = lines
    .map(
      ([label, value]) =>
        `<div class="country-data-row"><strong>${escapeHtml(
          label
        )}</strong><span>${escapeHtml(value)}</span></div>`
    )
    .join("");

  countryData.innerHTML = rows;
}

function openModalForFeature(feature) {
  const mapLabel = getCountryLabel(feature);
  const policy = getCountryPolicyForFeature(feature);
  const mapIso2 = getCountryIso2Raw(feature);
  const iso2 = mapIso2 || policy?.iso2 || getCountryIso2(feature);
  const flag = getFlagEmojiFromIso2(iso2);

  countryName.textContent = `${flag} ${mapLabel}`;

  if (!policy) {
    countryCategory.textContent = "Aucune donnée de catégorie pour ce pays.";
    setCountryDataHtml([
      ["Source", "Carte Natural Earth"],
      ["Code ISO2 carte", getCountryIso2(feature) || "N/A"],
    ]);
  } else {
    const category = categoryByCode.get(policy.categoryCode);
    const categoryLabel = getCategoryDisplayLabel(
      policy.categoryCode,
      category?.label || policy.categoryLabel
    );

    countryCategory.textContent = `${categoryLabel} (code ${policy.categoryCode})`;

    const procedureText = summarizeProcedureText(
      category?.descriptionText || "",
      policy.categoryCode
    );
    const fullProcedureText = isConcernedByMarch2026Note(policy)
      ? `${procedureText}\n\n${noteServiceProcedureReference}`
      : procedureText;

    setCountryDataHtml([
      ["Pays (donnée source)", policy.countryNameFr || mapLabel],
      ["Code ISO2", policy.iso2],
      ["Début validité", formatDate(policy.beginDate)],
      ["Fin validité", formatDate(policy.endDate)],
      ["Dernière maj", formatDate(policy.updateDate)],
      ["Procédure", fullProcedureText || "Non renseignée"],
    ]);
  }

  modal.classList.add("open");
  modal.setAttribute("aria-hidden", "false");
}

function closeModal() {
  modal.classList.remove("open");
  modal.setAttribute("aria-hidden", "true");
}

function handleCountryClick(event, feature) {
  if (event.defaultPrevented) {
    return;
  }

  if (event.currentTarget && typeof event.currentTarget.blur === "function") {
    event.currentTarget.blur();
  }

  focusCountryOnMap(feature);
  openModalForFeature(feature);
}

function featureKey(feature) {
  const iso3 = feature.properties?.ADM0_A3 || feature.properties?.ISO_A3 || "-";
  const name = feature.properties?.NAME_EN || feature.properties?.NAME || "unknown";
  return `${iso3}:${name}`;
}

function updateProjectionAndDrawing() {
  if (!countryPaths || !countryShadowPaths || countries.length === 0) {
    return;
  }

  const rect = mapContainer.node().getBoundingClientRect();
  width = Math.max(320, rect.width);
  height = Math.max(240, rect.height);

  svg.attr("viewBox", `0 0 ${width} ${height}`);

  projection.fitExtent(
    [
      [10, 10],
      [width - 10, height - 10],
    ],
    { type: "FeatureCollection", features: countries }
  );

  countryShadowPaths.attr("d", path);
  countryPaths.attr("d", path);

  zoom
    .extent([
      [0, 0],
      [width, height],
    ])
    .translateExtent([
      [-width, -height],
      [width * 2, height * 2],
    ]);

  svg.call(zoom).call(zoom.transform, currentTransform);
}

function analyzeMatching() {
  const categoryCounts = new Map();
  const matchedIso2 = new Set();
  let matchedMapCountries = 0;

  countryPolicyByIso2.forEach((policy) => {
    const categoryCode = policy.categoryCode || "N/A";
    categoryCounts.set(categoryCode, (categoryCounts.get(categoryCode) || 0) + 1);
  });

  countries.forEach((feature) => {
    const policy = getCountryPolicyForFeature(feature);
    if (!policy) {
      return;
    }

    matchedMapCountries += 1;
    matchedIso2.add(policy.iso2);
  });

  Object.entries(forcedPolicyIsoByMatchedParentIso).forEach(
    ([parentIso, forcedIsoList]) => {
      if (!matchedIso2.has(parentIso)) {
        return;
      }

      forcedIsoList.forEach((forcedIso) => {
        matchedIso2.add(forcedIso);
      });
    }
  );

  const totalPolicyCountries = countryPolicyByIso2.size;
  const unmatchedMapCountries = countries.filter((feature) => !getCountryPolicyForFeature(feature)).length;

  const unmatchedIso2 = [...countryPolicyByIso2.keys()].filter((iso2) => !matchedIso2.has(iso2));

  lastAnalysis = {
    totalPolicyCountries,
    matchedMapCountries,
    unmatchedMapCountries,
    categoryCounts,
    unmatchedIso2,
  };
}

Promise.all([d3.json(worldGeoJsonUrl), d3.text(rawPolicyDataUrl)])
  .then(([geoJson, rawPolicyText]) => {
    const parsedPolicy = parsePolicyModel(rawPolicyText);

    countryPolicyByIso2 = new Map(parsedPolicy.countriesData.map((item) => [item.iso2, item]));
    countryPolicyByName = new Map(
      parsedPolicy.countriesData
        .map((item) => [normalizeCountryName(item.countryNameFr), item])
        .filter(([name]) => Boolean(name))
    );

    categoryByCode = new Map(parsedPolicy.categoriesData.map((item) => [item.code, item]));

    countries = geoJson.features.filter(
      (feature) => feature.properties?.NAME_EN !== "Antarctica"
    );

    countryShadowPaths = countryShadowLayer
      .selectAll("path")
      .data(countries, featureKey)
      .join("path")
      .attr("class", "country-shadow");

    countryPaths = countryLayer
      .selectAll("path")
      .data(countries, featureKey)
      .join("path")
      .attr("class", "country")
      .attr("fill", getCountryColor)
      .attr("tabindex", 0)
      .on("pointerenter", (event, feature) => {
        showCountryTooltip(event, feature);
      })
      .on("pointermove", (event) => {
        moveCountryTooltip(event);
      })
      .on("pointerleave", () => {
        hideCountryTooltip();
      })
      .on("mouseenter", (event, feature) => {
        showCountryTooltip(event, feature);
      })
      .on("mouseover", (event, feature) => {
        showCountryTooltip(event, feature);
      })
      .on("mouseenter", (event, feature) => {
        showCountryTooltip(event, feature);
      })
      .on("mousemove", (event) => {
        moveCountryTooltip(event);
      })
      .on("mouseleave", () => {
        hideCountryTooltip();
      })
      .on("focus", (event, feature) => {
        showCountryTooltip(event, feature);
      })
      .on("click", handleCountryClick)
      .on("keydown", (event, feature) => {
        if (event.key === "Enter" || event.key === " ") {
          event.preventDefault();
          openModalForFeature(feature);
        }
      })
      .on("blur", () => {
        hideCountryTooltip();
      });

    countryPaths
      .selectAll("title")
      .data((feature) => [feature])
      .join("title")
      .text((feature) => getCountryLabel(feature));

    buildCountryEntries();
    renderCountryList();
    analyzeMatching();
    updateLegend();
    updateProjectionAndDrawing();
  })
  .catch((error) => {
    mapContainer
      .append("p")
      .style("color", "#b91c1c")
      .style("margin", "1rem")
      .text("Erreur lors du chargement de la carte ou des données.");

    // eslint-disable-next-line no-console
    console.error(error);
  });

window.addEventListener("resize", () => {
  updateProjectionAndDrawing();
  hideCountryTooltip();

  if (window.innerWidth > 760) {
    closeCountryListModal();
    closeLegendOnMobile();
  }
});

initCountryListEvents();

closeModalButton.addEventListener("click", closeModal);

modal.addEventListener("click", (event) => {
  if (event.target === modal) {
    closeModal();
  }
});

document.addEventListener("keydown", (event) => {
  if (event.key !== "Escape") {
    return;
  }

  if (countryListModal.classList.contains("open")) {
    closeCountryListModal();
    return;
  }

  if (legendContainer.classList.contains("mobile-open")) {
    closeLegendOnMobile();
    return;
  }

  if (modal.classList.contains("open")) {
    closeModal();
  }
});