import { describe, expect, it } from "vitest";
import {
  buildChartXml,
  buildCellXml,
  buildHyperlinksXml,
  buildMergeCellsXml,
  createCellStyleRegistry,
  buildWorksheetRelationshipsXml,
  buildWorksheetXml,
  exportXlsxBlob,
  importXlsxFile,
  chartDataPoints,
  chartXmlToSheetChart,
  workbookRelationshipTargets,
  workbookSheetRefs,
  worksheetXmlToCells,
  worksheetXmlToCellFormats,
  worksheetXmlToHyperlinks,
  worksheetXmlToMergedCells,
  xlsxStylesXmlToCellFormatTable,
  xlsxCellToText
} from "./excellOffice";

describe("excellOffice OOXML helpers", () => {
  it("сохраняет формулу при импорте как строку с '='", () => {
    expect(xlsxCellToText({ r: "C1", f: "SUM(A1:B1)", v: "3" }, [])).toBe("=SUM(A1:B1)");
    expect(xlsxCellToText({ r: "C2", f: { "#text": "A2*2" }, v: "8" }, [])).toBe("=A2*2");
  });

  it("читает shared string, inline string, число и boolean", () => {
    expect(xlsxCellToText({ r: "A1", t: "s", v: "1" }, ["Первый", "Второй"])).toBe("Второй");
    expect(xlsxCellToText({ r: "A2", t: "inlineStr", is: { t: "Текст" } }, [])).toBe("Текст");
    expect(xlsxCellToText({ r: "A3", v: "12500" }, [])).toBe("12500");
    expect(xlsxCellToText({ r: "A4", t: "b", v: "1" }, [])).toBe("true");
  });

  it("записывает формулу в тег <f>", () => {
    expect(buildCellXml("c1", "=SUM(A1:B1)")).toBe('<c r="C1"><f>SUM(A1:B1)</f></c>');
  });

  it("собирает XML листа с отсортированными ячейками", () => {
    const xml = buildWorksheetXml({
      B2: "200",
      A1: "Статья",
      C2: "=B2*2"
    });

    expect(xml).toContain('<row r="1"><c r="A1" t="inlineStr"><is><t>Статья</t></is></c></row>');
    expect(xml).toContain('<row r="2"><c r="B2"><v>200</v></c><c r="C2"><f>B2*2</f></c></row>');
  });

  it("сохраняет merged cells в XML листа", () => {
    const xml = buildWorksheetXml({ A1: "Заголовок" }, [{ start: "A1", end: "C2" }]);

    expect(buildMergeCellsXml([{ start: "C2", end: "A1" }, { start: "A1", end: "C2" }])).toBe(
      '<mergeCells count="1"><mergeCell ref="A1:C2"/></mergeCells>'
    );
    expect(xml).toContain('<mergeCells count="1"><mergeCell ref="A1:C2"/></mergeCells>');
  });

  it("сохраняет внешние гиперссылки XLSX в XML листа и relationships", () => {
    const hyperlinks = {
      A1: "https://example.com/report",
      B2: "javascript:alert(1)"
    };
    const xml = buildWorksheetXml({ A1: "Отчет", B2: "Скрипт" }, [], hyperlinks);
    const relationshipsXml = buildWorksheetRelationshipsXml(hyperlinks);

    expect(buildHyperlinksXml(hyperlinks)).toBe('<hyperlinks><hyperlink ref="A1" r:id="rId1"/></hyperlinks>');
    expect(xml).toContain('<hyperlinks><hyperlink ref="A1" r:id="rId1"/></hyperlinks>');
    expect(relationshipsXml).toContain('Type="http://schemas.openxmlformats.org/officeDocument/2006/relationships/hyperlink"');
    expect(relationshipsXml).toContain('Target="https://example.com/report"');
    expect(relationshipsXml).toContain('TargetMode="External"');
    expect(relationshipsXml).not.toContain("javascript:alert");
  });

  it("сохраняет базовое форматирование ячеек XLSX в XML листа", () => {
    const cellFormats = {
      A1: { bold: true, fillColor: "fff2cc" },
      B2: { italics: true, underline: true },
      C3: { fillColor: "bad-color" }
    };
    const registry = createCellStyleRegistry([cellFormats]);
    const xml = buildWorksheetXml({ A1: "Итог", B2: "Комментарий", C3: "Без стиля" }, [], {}, cellFormats, registry);
    const emptyCellXml = buildWorksheetXml({}, [], {}, { C3: { underline: true } });

    expect(xml).toContain('<c r="A1" s="1" t="inlineStr"><is><t>Итог</t></is></c>');
    expect(xml).toContain('<c r="B2" s="2" t="inlineStr"><is><t>Комментарий</t></is></c>');
    expect(xml).toContain('<c r="C3" t="inlineStr"><is><t>Без стиля</t></is></c>');
    expect(emptyCellXml).toContain('<c r="C3" s="1"/>');
  });

  it("читает базовое форматирование ячеек XLSX из styles.xml и XML листа", () => {
    const styleTable = xlsxStylesXmlToCellFormatTable({
      styleSheet: {
        numFmts: {
          numFmt: { numFmtId: "164", formatCode: "dd.mm.yyyy" }
        },
        fonts: {
          font: [{}, { b: {}, i: {}, u: {} }]
        },
        fills: {
          fill: [{}, {}, { patternFill: { fgColor: { rgb: "FFFFF2CC" } } }]
        },
        cellXfs: {
          xf: [{ fontId: "0", fillId: "0" }, { fontId: "1", fillId: "2", numFmtId: "164" }, { fontId: "0", fillId: "0", numFmtId: "14" }]
        }
      }
    });

    expect(styleTable[1]).toEqual({ bold: true, italics: true, underline: true, fillColor: "FFF2CC", numberFormat: "dd.mm.yyyy" });
    expect(styleTable[2]).toEqual({ numberFormat: "m/d/yy" });
    expect(
      worksheetXmlToCellFormats(
        {
          worksheet: {
            sheetData: {
              row: {
                r: "1",
                c: [{ r: "A1", s: "1", t: "inlineStr", is: { t: "Итог" } }]
              }
            }
          }
        },
        styleTable
      )
    ).toEqual({ A1: { bold: true, italics: true, underline: true, fillColor: "FFF2CC", numberFormat: "dd.mm.yyyy" } });
  });

  it("преобразует XML листа в модель QExcell", () => {
    const cells = worksheetXmlToCells(
      {
        worksheet: {
          sheetData: {
            row: {
              r: "1",
              c: [
                { r: "A1", t: "inlineStr", is: { t: "Статья" } },
                { r: "B1", v: "1000" },
                { r: "C1", f: "B1*2" }
              ]
            }
          }
        }
      },
      []
    );

    expect(cells).toEqual({
      A1: "Статья",
      B1: "1000",
      C1: "=B1*2"
    });
  });

  it("читает merged cells из XML листа", () => {
    expect(
      worksheetXmlToMergedCells({
        worksheet: {
          mergeCells: {
            mergeCell: [{ ref: "C2:A1" }, { ref: "D4:D4" }, { ref: "bad" }]
          }
        }
      })
    ).toEqual([{ start: "A1", end: "C2" }]);
  });

  it("читает внешние гиперссылки XLSX из XML листа и relationships", () => {
    expect(
      worksheetXmlToHyperlinks(
        {
          worksheet: {
            hyperlinks: {
              hyperlink: [
                { ref: "A1", "r:id": "rIdLink" },
                { ref: "B2", "r:id": "rIdUnsafe" },
                { ref: "bad", "r:id": "rIdLink" }
              ]
            }
          }
        },
        {
          Relationships: {
            Relationship: [
              {
                Id: "rIdLink",
                Type: "http://schemas.openxmlformats.org/officeDocument/2006/relationships/hyperlink",
                Target: "https://example.com/report",
                TargetMode: "External"
              },
              {
                Id: "rIdUnsafe",
                Type: "http://schemas.openxmlformats.org/officeDocument/2006/relationships/hyperlink",
                Target: "javascript:alert(1)",
                TargetMode: "External"
              }
            ]
          }
        }
      )
    ).toEqual({ A1: "https://example.com/report" });
  });

  it("читает ссылки листов и relationships из workbook XML", () => {
    expect(
      workbookSheetRefs({
        workbook: {
          sheets: {
            sheet: { name: "Бюджет", sheetId: "7", "r:id": "rId3" }
          }
        }
      })
    ).toEqual([{ id: "sheet-7", name: "Бюджет", relationshipId: "rId3" }]);

    expect(
      workbookRelationshipTargets({
        Relationships: {
          Relationship: [{ Id: "rId3", Target: "worksheets/sheet7.xml" }]
        }
      })
    ).toEqual({ rId3: "worksheets/sheet7.xml" });
  });

  it("создает OOXML chart part для диаграммы XLSX", () => {
    const xml = buildChartXml(
      {
        id: "chart-1",
        type: "bar",
        title: "Итого",
        labelRange: "A2:A4",
        valueRange: "E2:E4"
      },
      "Бюджет",
      {
        A2: "Базовый",
        A3: "Команды",
        A4: "Корпоративный",
        E2: "43600",
        E3: "27200",
        E4: "64800"
      }
    );

    expect(xml).toContain("<c:barChart>");
    expect(xml).toContain("<c:f>'Бюджет'!$A$2:$A$4</c:f>");
    expect(xml).toContain("<c:f>'Бюджет'!$E$2:$E$4</c:f>");
    expect(xml).toContain("<c:v>Базовый</c:v>");
    expect(xml).toContain("<c:v>43600</c:v>");
  });

  it("читает базовую диаграмму из chart XML", () => {
    expect(
      chartXmlToSheetChart(
        {
          "c:chartSpace": {
            "c:chart": {
              "c:title": {
                "c:tx": {
                  "c:rich": {
                    "a:p": { "a:r": { "a:t": "Продажи" } }
                  }
                }
              },
              "c:plotArea": {
                "c:lineChart": {
                  "c:ser": {
                    "c:cat": { "c:strRef": { "c:f": "'Бюджет'!$A$2:$A$4" } },
                    "c:val": { "c:numRef": { "c:f": "'Бюджет'!$E$2:$E$4" } }
                  }
                }
              }
            }
          }
        },
        "Бюджет",
        0
      )
    ).toEqual({
      id: "xlsx-chart-1",
      type: "line",
      title: "Продажи",
      labelRange: "A2:A4",
      valueRange: "E2:E4"
    });
  });

  it("готовит точки диаграммы из диапазонов листа", () => {
    expect(
      chartDataPoints(
        {
          id: "chart-1",
          type: "bar",
          title: "Итого",
          labelRange: "A2:A3",
          valueRange: "E2:E3"
        },
        { A2: "Базовый", A3: "Команды", E2: "=SUM(B2:D2)", B2: "10", C2: "20", D2: "30", E3: "25" }
      )
    ).toEqual([
      { label: "Базовый", value: 60 },
      { label: "Команды", value: 25 }
    ]);
  });

  it("сохраняет и импортирует несколько листов с дальними ячейками", async () => {
    const blob = await exportXlsxBlob({
      id: "workbook",
      title: "Бюджет.xlsx",
      updatedAt: "2026-05-31T00:00:00.000Z",
      activeSheet: "sheet-1",
      sheets: [
        {
          id: "sheet-1",
          name: "Бюджет",
          cells: {
            A1: "Статья",
            AA20: "7",
            AB20: "8",
            AC20: "=SUM(AA20:AB20)",
            D20: "44927",
            E20: "0.25"
          },
          mergedCells: [{ start: "A1", end: "C1" }],
          hyperlinks: { A1: "https://example.com/budget" },
          cellFormats: {
            A1: { bold: true, fillColor: "FFF2CC" },
            AC20: { underline: true },
            D20: { numberFormat: "dd.mm.yyyy" },
            E20: { numberFormat: "0%" }
          },
          charts: [
            {
              id: "chart-budget",
              type: "bar",
              title: "Итого",
              labelRange: "A2:A3",
              valueRange: "AA20:AB20"
            }
          ]
        },
        {
          id: "sheet-2",
          name: "Справочник",
          cells: {
            B2: "Проект"
          }
        }
      ]
    });

    const imported = await importXlsxFile(new File([blob], "Бюджет.xlsx", { type: blob.type }));

    expect(imported.title).toBe("Бюджет.xlsx");
    expect(imported.sheets).toHaveLength(2);
    expect(imported.sheets[0].name).toBe("Бюджет");
    expect(imported.sheets[0].cells.AC20).toBe("=SUM(AA20:AB20)");
    expect(imported.sheets[0].mergedCells).toEqual([{ start: "A1", end: "C1" }]);
    expect(imported.sheets[0].hyperlinks).toEqual({ A1: "https://example.com/budget" });
    expect(imported.sheets[0].cellFormats).toEqual({
      A1: { bold: true, fillColor: "FFF2CC" },
      AC20: { underline: true },
      D20: { numberFormat: "dd.mm.yyyy" },
      E20: { numberFormat: "0%" }
    });
    expect(imported.sheets[0].charts).toEqual([
      {
        id: "xlsx-chart-1",
        type: "bar",
        title: "Итого",
        labelRange: "A2:A3",
        valueRange: "AA20:AB20"
      }
    ]);
    expect(imported.sheets[1].name).toBe("Справочник");
    expect(imported.sheets[1].cells.B2).toBe("Проект");
  });
});