import { Component, NewState, RefreshState, Util } from "@web/state";
import { VirtualScroll, State } from "@web/base";
const createPerfMonitor = () => {
  let enabled = !!window.__DT_PERF_MODE__;
  const stats = { refreshTime: 0, refreshCount: 0, scrollCount: 0, totalNodes: 0 };
  if (enabled && !window.__statePerformanceTelemetry) {
    window.__statePerformanceTelemetry = { scanCount: 0, reuseCount: 0, moveCount: 0 };
  }
  return {
    get stats() {
      return stats;
    },
    enable: () => {
      enabled = true;
    },
    disable: () => {
      enabled = false;
    },
    onScroll: () => {
      if (enabled) stats.scrollCount++;
    },
    startFrame: () => {
      var _a, _b, _c;
      if (!enabled) return null;
      return {
        start: performance.now(),
        scan: ((_a = window.__statePerformanceTelemetry) == null ? void 0 : _a.scanCount) || 0,
        move: ((_b = window.__statePerformanceTelemetry) == null ? void 0 : _b.moveCount) || 0,
        reuse: ((_c = window.__statePerformanceTelemetry) == null ? void 0 : _c.reuseCount) || 0
      };
    },
    endFrame: (startData, renderedCount) => {
      if (!enabled || !startData) return;
      stats.refreshCount++;
      stats.totalNodes += renderedCount;
      const elapsed = performance.now() - startData.start;
      stats.refreshTime += elapsed;
      const stPerf = window.__statePerformanceTelemetry;
      if (stPerf) {
        const scans = stPerf.scanCount - startData.scan;
        const moves = stPerf.moveCount - startData.move;
        const reuses = stPerf.reuseCount - startData.reuse;
        if (scans > 0 || elapsed > 2) {
          console.log(`[DataTable Frame] Time: ${elapsed.toFixed(2)}ms, Scans: ${scans}, Moves: ${moves}, Reuses: ${reuses}, Rows: ${renderedCount}`);
        }
      }
    }
  };
};
const createScrollManager = (container, state, onRenderedListChange) => {
  const vs = VirtualScroll({ itemHeight: 40 });
  let scrollEl = null;
  const refresh = () => {
    if (!scrollEl) return;
    const res = vs.calc(scrollEl, state.list);
    if (res) {
      if (state.prevHeight === res.prevHeight && state.postHeight === res.postHeight && state._listStartIndex === res.listStartIndex && state._renderedList.length === res.renderedList.length) {
        return;
      }
      Object.assign(state, {
        prevHeight: res.prevHeight,
        postHeight: res.postHeight,
        _listStartIndex: res.listStartIndex,
        _renderedList: res.renderedList
      });
      onRenderedListChange == null ? void 0 : onRenderedListChange(res.renderedList.length);
    }
  };
  return {
    init: () => {
      scrollEl = container.querySelector(".dt-main");
    },
    reset: (list) => {
      state._listStartIndex = 0;
      state._renderedList = vs.reset(list, scrollEl || container) || [];
      if (state.list === list) {
        vs.init(list, refresh);
      }
    },
    refresh,
    onScroll: refresh
  };
};
const createSelectionManager = (container, state) => {
  let activeBounds = null;
  let startCell = null;
  let multiSelections = [];
  const isCellSelected = (r, c) => {
    if (activeBounds && r >= activeBounds.minRow && r <= activeBounds.maxRow && c >= activeBounds.minCol && c <= activeBounds.maxCol) return true;
    return multiSelections.some((s) => r >= s.minRow && r <= s.maxRow && c >= s.minCol && c <= s.maxCol);
  };
  let lastHadSelection = false;
  const applySelectionUI = () => {
    var _a;
    let boundMinRow = Infinity, boundMaxRow = -Infinity;
    if (activeBounds) {
      boundMinRow = Math.min(boundMinRow, activeBounds.minRow);
      boundMaxRow = Math.max(boundMaxRow, activeBounds.maxRow);
    }
    multiSelections.forEach((s) => {
      boundMinRow = Math.min(boundMinRow, s.minRow);
      boundMaxRow = Math.max(boundMaxRow, s.maxRow);
    });
    const hasSelection = boundMinRow !== Infinity;
    if (!hasSelection && !lastHadSelection) return;
    lastHadSelection = hasSelection;
    const body = container.querySelector(".dt-body");
    if (!body) return;
    const rowNodes = body.children;
    for (let r = 0; r < rowNodes.length; r++) {
      const rowNode = rowNodes[r];
      if (!rowNode.classList.contains("dt-body-row")) continue;
      const absoluteRow = (((_a = rowNode._ref) == null ? void 0 : _a.rIdx) ?? -1) + state._listStartIndex;
      const cellNodes = rowNode.children;
      if (!hasSelection || absoluteRow < boundMinRow || absoluteRow > boundMaxRow) {
        for (let i = 0; i < cellNodes.length; i++) {
          if (cellNodes[i].classList.contains("dt-cell-selected")) {
            cellNodes[i].classList.remove("dt-cell-selected");
          }
        }
        continue;
      }
      for (let i = 0; i < cellNodes.length; i++) {
        const isSelected = isCellSelected(absoluteRow, i);
        const hasClass = cellNodes[i].classList.contains("dt-cell-selected");
        if (isSelected && !hasClass) {
          cellNodes[i].classList.add("dt-cell-selected");
        } else if (!isSelected && hasClass) {
          cellNodes[i].classList.remove("dt-cell-selected");
        }
      }
    }
  };
  const updateStatus = () => {
    let count = 0;
    if (activeBounds) count += activeBounds.maxRow - activeBounds.minRow + 1;
    multiSelections.forEach((s) => count += s.maxRow - s.minRow + 1);
    state.selectedRowCount = count;
  };
  const clearAllActive = (keepSelection = false) => {
    if (!keepSelection) {
      activeBounds = null;
      startCell = null;
      multiSelections = [];
      applySelectionUI();
      updateStatus();
    }
  };
  const startSelect = (row, col, e) => {
    const alreadySelected = isCellSelected(row, col);
    const isRange = activeBounds && (activeBounds.minRow !== activeBounds.maxRow || activeBounds.minCol !== activeBounds.maxCol) || multiSelections.length > 0;
    if (e.shiftKey && startCell) {
      activeBounds = {
        minRow: Math.min(startCell.row, row),
        maxRow: Math.max(startCell.row, row),
        minCol: Math.min(startCell.col, col),
        maxCol: Math.max(startCell.col, col)
      };
    } else {
      if (alreadySelected && !e.ctrlKey && !e.metaKey) {
        if (!isRange) container._potentialCancel = { row, col };
      } else {
        if (!e.ctrlKey && !e.metaKey) {
          clearAllActive();
        } else if (activeBounds && !alreadySelected) {
          multiSelections.push(activeBounds);
        }
        startCell = { row, col };
        activeBounds = { minRow: row, maxRow: row, minCol: col, maxCol: col };
      }
      state.isSelecting = true;
    }
    applySelectionUI();
    updateStatus();
    container.focus();
  };
  const updateSelect = (row, col) => {
    if (state.isSelecting && startCell) {
      activeBounds = {
        minRow: Math.min(startCell.row, row),
        maxRow: Math.max(startCell.row, row),
        minCol: Math.min(startCell.col, col),
        maxCol: Math.max(startCell.col, col)
      };
      container._potentialCancel = null;
      applySelectionUI();
      updateStatus();
    }
  };
  const endSelect = () => {
    if (container._potentialCancel) {
      const { row, col } = container._potentialCancel;
      if (isCellSelected(row, col)) {
        clearAllActive();
      }
      container._potentialCancel = null;
    }
    state.isSelecting = false;
  };
  const getSelectionBounds = () => {
    if (!activeBounds) return null;
    let minRow = activeBounds.minRow, maxRow = activeBounds.maxRow;
    let minCol = activeBounds.minCol, maxCol = activeBounds.maxCol;
    multiSelections.forEach((s) => {
      minRow = Math.min(minRow, s.minRow);
      maxRow = Math.max(maxRow, s.maxRow);
      minCol = Math.min(minCol, s.minCol);
      maxCol = Math.max(maxCol, s.maxCol);
    });
    return { minRow, maxRow, minCol, maxCol };
  };
  const copy = async () => {
    const bounds = getSelectionBounds();
    if (!bounds) return;
    const text = state.list.slice(bounds.minRow, bounds.maxRow + 1).map((row) => {
      return state.fields.slice(bounds.minCol, bounds.maxCol + 1).map((f) => {
        let val = String(row[f.id] ?? "");
        if (val.includes("	") || val.includes("\n") || val.includes('"')) {
          val = '"' + val.replace(/"/g, '""') + '"';
        }
        return val;
      }).join("	");
    }).join("\n");
    await navigator.clipboard.writeText(text);
  };
  const paste = async () => {
    try {
      const text = await navigator.clipboard.readText();
      if (!text) return;
      const bounds = getSelectionBounds();
      if (!bounds) return;
      const rows = text.split(/\r?\n/).filter((line) => line.length > 0).map((line) => {
        const cells = [];
        let current = "", inQuotes = false;
        for (let i = 0; i < line.length; i++) {
          const char = line[i];
          if (char === '"') {
            if (inQuotes && line[i + 1] === '"') {
              current += '"';
              i++;
            } else inQuotes = !inQuotes;
          } else if (char === "	" && !inQuotes) {
            cells.push(current);
            current = "";
          } else {
            current += char;
          }
        }
        cells.push(current);
        return cells;
      });
      const startRow = bounds.minRow;
      const startCol = bounds.minCol;
      const maxRow = bounds.maxRow;
      const maxCol = bounds.maxCol;
      const body = container.querySelector(".dt-body");
      const rowNodes = body ? Array.from(body.childNodes).filter((n) => {
        var _a;
        return (_a = n.classList) == null ? void 0 : _a.contains("dt-body-row");
      }) : [];
      rows.forEach((rowData, rOffset) => {
        const rIdx = startRow + rOffset;
        if (rIdx > maxRow || rIdx >= state.list.length) return;
        const rowItem = state.list[rIdx];
        let rowChanged = false;
        rowData.forEach((cellData, cOffset) => {
          const cIdx = startCol + cOffset;
          if (cIdx > maxCol || cIdx >= state.fields.length) return;
          const field = state.fields[cIdx];
          rowItem[field.id] = cellData;
          rowChanged = true;
        });
        if (rowChanged && container.refreshNode) {
          const domNode = rowNodes.find((n) => {
            var _a;
            return (((_a = n._ref) == null ? void 0 : _a.rIdx) ?? -1) + state._listStartIndex === rIdx;
          });
          if (domNode) container.refreshNode(domNode);
        }
      });
    } catch (err) {
      console.error("Paste Error:", err);
    }
  };
  const deleteSelected = () => {
    const bounds = getSelectionBounds();
    if (!bounds) return;
    const rMin = bounds.minRow, rMax = bounds.maxRow;
    const newList = state.list.filter((_, i) => !(i >= rMin && i <= rMax));
    state.list = newList;
    clearAllActive();
  };
  return {
    applySelectionUI,
    clearAllActive,
    startSelect,
    updateSelect,
    endSelect,
    deleteSelected,
    getSelectionBounds,
    copy,
    paste
  };
};
Component.register("DataTable", (container) => {
  if (!container.state) container.state = NewState({});
  const state = container.state;
  Object.assign(state, {
    list: [],
    fields: [],
    _renderedList: [],
    prevHeight: 0,
    postHeight: 0,
    _listStartIndex: 0,
    selectedRowCount: 0
  });
  const perf = createPerfMonitor();
  state.perf = perf.stats;
  const selection = createSelectionManager(container, state);
  const scroll = createScrollManager(container, state, (renderedCount) => {
    container.hideEditor();
    selection.applySelectionUI();
  });
  let _prevSpacer, _postSpacer, _editorOverlay;
  container.format = (val, field) => {
    if (field.formatter) return field.formatter(val, field);
    if (typeof val === "string") return val;
    if (val === null || val === void 0) return "";
    return typeof val === "object" ? JSON.stringify(val) : String(val);
  };
  container.refreshNode = (node) => RefreshState(node);
  container.refresh = () => {
    const frameStart = perf.startFrame();
    scroll.refresh();
    if (!_prevSpacer) _prevSpacer = container.querySelector(".dt-spacer-prev");
    if (_prevSpacer) {
      const h = state.prevHeight || 0;
      _prevSpacer.style.height = h + "px";
      _prevSpacer.style.display = h > 0 ? "block" : "none";
    }
    if (!_postSpacer) _postSpacer = container.querySelector(".dt-spacer-post");
    if (_postSpacer) {
      const h = state.postHeight || 0;
      _postSpacer.style.height = h + "px";
      _postSpacer.style.display = h > 0 ? "block" : "none";
    }
    perf.endFrame(frameStart, state._renderedList.length);
  };
  container.onScroll = () => {
    perf.onScroll();
    container.refresh();
  };
  container.onMainMouseDown = (e) => {
    var _a, _b;
    const cell = e.target.closest(".dt-cell");
    if (!cell) return;
    const row = cell.closest(".dt-row");
    if (!row || row.classList.contains("dt-header-row")) return;
    const fIdx = ((_a = cell._ref) == null ? void 0 : _a.fIdx) ?? Array.from(row.children).indexOf(cell);
    const rIdx = ((_b = row._ref) == null ? void 0 : _b.rIdx) ?? Array.from(container.querySelectorAll(".dt-body-row")).indexOf(row);
    const absoluteRow = rIdx + state._listStartIndex;
    container.startSelect(absoluteRow, fIdx, e);
  };
  container.onMainMouseOver = (e) => {
    var _a, _b;
    if (!state.isSelecting) return;
    const cell = e.target.closest(".dt-cell");
    if (!cell) return;
    const row = cell.closest(".dt-row");
    if (!row || row.classList.contains("dt-header-row")) return;
    const fIdx = ((_a = cell._ref) == null ? void 0 : _a.fIdx) ?? Array.from(row.children).indexOf(cell);
    const rIdx = ((_b = row._ref) == null ? void 0 : _b.rIdx) ?? Array.from(container.querySelectorAll(".dt-body-row")).indexOf(row);
    const absoluteRow = rIdx + state._listStartIndex;
    container.updateSelect(absoluteRow, fIdx);
  };
  container.onMainDblClick = (e) => {
    var _a, _b;
    const cell = e.target.closest(".dt-cell");
    if (!cell) return;
    const row = cell.closest(".dt-row");
    if (!row || row.classList.contains("dt-header-row")) return;
    const item = (_a = row._ref) == null ? void 0 : _a.item;
    const field = (_b = cell._ref) == null ? void 0 : _b.f;
    if (item && field) container.editCell(item, field, cell);
  };
  state.__watch("list", (list) => {
    scroll.init();
    scroll.reset(list);
  });
  state.__watch("fields", (fields) => {
    if (!fields) return;
    const gridTemplate = fields.map((f) => `var(--w-${f.id}, ${f.width || 150}px)`).join(" ");
    container.style.setProperty("--dt-grid-template", gridTemplate);
  });
  let currentEditingNode = null;
  container.editCell = (row, field, cellNode) => {
    const overlay = container.querySelector(".dt-editor-overlay");
    const editor = overlay.querySelector("AutoForm");
    const rect = cellNode.getBoundingClientRect();
    const rootRect = container.getBoundingClientRect();
    currentEditingNode = cellNode;
    let minW = rect.width;
    if (field.type === "textarea" || field.type === "TagsInput") minW = Math.max(rect.width, 300);
    else if (field.type === "radio") minW = Math.max(rect.width, 240);
    overlay.style.display = "flex";
    overlay.style.left = rect.left - rootRect.left + "px";
    overlay.style.top = rect.top - rootRect.top + "px";
    overlay.style.width = minW + "px";
    overlay.style.height = "";
    overlay.style.minHeight = "";
    overlay.style.alignItems = "center";
    if (field.type === "textarea" || field.type === "TagsInput") {
      overlay.style.minHeight = (field.type === "textarea" ? 150 : rect.height) + "px";
      overlay.style.height = "auto";
      overlay.style.alignItems = "flex-start";
    } else {
      overlay.style.height = rect.height + "px";
    }
    State.editingSchema = [{ ...field, name: field.id, label: "" }];
    State.editingData = row;
    RefreshState(overlay);
    setTimeout(() => {
      const input = editor.querySelector(".form-control, .form-select, .form-check-input, input");
      if (input) input.focus();
    }, 30);
  };
  container.hideEditor = (save = true) => {
    if (!_editorOverlay) _editorOverlay = container.querySelector(".dt-editor-overlay");
    if (!_editorOverlay || _editorOverlay.style.display === "none") return;
    _editorOverlay.style.display = "none";
    if (save && currentEditingNode) {
      RefreshState(currentEditingNode);
    }
    State.editingSchema = null;
    State.editingData = null;
    currentEditingNode = null;
    container.focus();
  };
  container.startSelect = selection.startSelect;
  container.updateSelect = selection.updateSelect;
  container.deleteSelected = selection.deleteSelected;
  container.addEventListener("keydown", (e) => {
    if (e.ctrlKey || e.metaKey) {
      const k = e.key.toLowerCase();
      if (k === "c") {
        e.preventDefault();
        selection.copy();
      }
      if (k === "v") {
        e.preventDefault();
        selection.paste();
      }
    }
    if (e.key === "Escape") container.hideEditor(false);
  });
  const onGlobalMouseDown = (e) => {
    const overlay = container.querySelector(".dt-editor-overlay");
    if (overlay && overlay.style.display !== "none" && !overlay.contains(e.target)) {
      container.hideEditor(true);
    }
    if (!container.contains(e.target) && !(overlay == null ? void 0 : overlay.contains(e.target))) selection.clearAllActive();
  };
  window.addEventListener("mouseup", selection.endSelect);
  document.addEventListener("mousedown", onGlobalMouseDown);
  container._onUnload = () => {
    document.removeEventListener("mousedown", onGlobalMouseDown);
    window.removeEventListener("mouseup", selection.endSelect);
  };
}, Util.makeDom(
  /*html*/
  `
<div class="dt-root d-flex flex-column h-100 border bg-body text-body overflow-hidden" style="position:relative; user-select:none; outline: none; min-height: 0" onunload="this._onUnload()" tabindex="0">
	<div class="dt-main flex-grow-1 overflow-auto" $onscroll="this.onScroll()" 
		$onmousedown="this.onMainMouseDown(event)"
		$onmouseover="this.onMainMouseOver(event)"
		$ondblclick="this.onMainDblClick(event)"
		style="overflow-anchor:none; min-height: 0">
		<div class="dt-header border-bottom bg-light sticky-top" style="z-index:20">
			<div class="dt-row dt-header-row fw-bold text-muted small">
				<div $each="this.state?.fields || []" class="dt-cell border-end px-2 d-flex align-items-center">
					<span $text="item.name" class="text-truncate"></span>
				</div>
			</div>
		</div>
		<div class="dt-body" style="position:relative">
			<div class="dt-spacer-prev flex-shrink-0" style="display:none"></div>
			<div $each="this.state?._renderedList || []" key="id" index="rIdx" class="dt-row dt-body-row border-bottom bg-white">
				<div $each="this.state?.fields || []" as="f" index="fIdx" class="dt-cell border-end px-2 d-flex align-items-center">
					<span $text="this.format(item[f.id], f)" class="text-truncate"></span>
				</div>
			</div>
			<div class="dt-spacer-post flex-shrink-0" style="display:none"></div>
		</div>
	</div>

	<!-- Shared Editor Overlay -->
	<div class="dt-editor-overlay" style="display: none" $onclick="event.stopPropagation()" $onmousedown="event.stopPropagation()">
		<AutoForm inline class="h-100 w-100" $onsubmit="thisNode.closest('DataTable').hideEditor(true)"/>
	</div>

	<div class="dt-footer border-top bg-light d-flex align-items-center px-2 py-1 small text-muted" style="height:32px">
		<div class="flex-grow-1">
			Total: <span $text="this.state?.list?.length || 0"></span> | 
			Selected Rows: <span $text="this.state?.selectedRowCount || 0"></span>
		</div>
		<button class="btn btn-xs btn-outline-danger py-0 px-2" style="font-size: 11px" $disabled="!this.state?.selectedRowCount" $onclick="this.deleteSelected()">
			<i class="bi bi-trash me-1"></i>Delete Selected
		</button>
	</div>
</div>
`
), Util.makeDom(
  /*html*/
  `
<style>
	DataTable { display: block; }
	.dt-root { font-size: 0.875rem; }
	.dt-row {
		display: grid;
		grid-template-columns: var(--dt-grid-template);
		width: max-content;
		min-width: 100%;
		height: 40px;
	}
	.dt-header-row {
		background-color: var(--bs-tertiary-bg);
	}
	.dt-cell {
		background: inherit;
		white-space: nowrap;
		flex-shrink: 0;
	}
	.dt-body-row:hover {
		background-color: var(--bs-secondary-bg) !important;
	}
	.dt-cell-selected {
		background-color: var(--bs-primary-bg-subtle) !important;
	}
	.dt-editor-overlay {
		position: absolute;
		z-index: 1000;
		background: var(--bs-body-bg);
		box-shadow: 0 4px 16px rgba(0,0,0,0.25);
		border: 1px solid var(--bs-primary);
		align-items: center;
		overflow: visible;
		transition: top 0.1s ease, left 0.1s ease, width 0.1s ease, height 0.1s ease, min-height 0.1s ease;
	}
	.dt-editor-overlay .auto-form-root, .dt-editor-overlay form {
		height: 100%;
		width: 100%;
	}
	.dt-editor-overlay .form-control, .dt-editor-overlay .form-select {
		border: none !important;
		border-radius: 0 !important;
		height: 100% !important;
		width: 100% !important;
		box-shadow: none !important;
		padding: 0 8px !important;
	}
	.dt-editor-overlay .form-check.form-switch {
		padding-left: 2.5em;
		margin: 0;
		height: 100%;
		display: flex;
		align-items: center;
	}
	.btn-xs {
		padding: 1px 5px;
		line-height: 1.5;
	}
</style>
`
));
if (typeof document !== "undefined") RefreshState(document.documentElement);