import { describe, expect, it } from "vitest";
import { readBentext, splitIngredientLine } from "./parse-bentext.mjs";

describe("readBentext", () => {
  it("parse header, ingredients, steps (3 blocs)", () => {
    const raw = `Blinis
4
Petites crêpes épaisses.
---
Farine|200|g
Œufs|2|pcs
---
Mélanger la farine.
Cuire dans une poêle.
`;
    const result = readBentext(raw);

    expect(result.title).toBe("Blinis");
    expect(result.version).toBe("4");
    expect(result.servings).toBe(4);
    expect(result.description).toBe("Petites crêpes épaisses.");
    expect(result.ingredients).toEqual([
      { name: "Farine", quantity: 200, unit: "g", note: "" },
      { name: "Œufs", quantity: 2, unit: "pcs", note: "" }
    ]);
    expect(result.steps).toEqual([
      { id: "step-1", priority: 10, phase: "cook", dependsOn: [], text: "Mélanger la farine." },
      { id: "step-2", priority: 20, phase: "cook", dependsOn: ["step-1"], text: "Cuire dans une poêle." }
    ]);
    expect(result.notes).toEqual([]);
    expect(result.tags).toEqual([]);
    expect(result.meta).toEqual([]);
  });

  it("lit les tags, notes et meta quand 6 blocs --- sont présents", () => {
    const raw = `Title
1
Description.
---
Farine|100|g
---
Mélanger.
---
Note A
Note B
---
apéritif
blinis
sprite:blinis
---
Meta X
Meta Y
`;
    const result = readBentext(raw);

    expect(result.notes).toEqual(["Note A", "Note B"]);
    expect(result.tags).toEqual(["apéritif", "blinis", "sprite:blinis"]);
    expect(result.meta).toEqual(["Meta X", "Meta Y"]);
  });

  it("ne place les tags qu'à partir de 4 blocs (sans notes ni meta)", () => {
    const raw = `Title
1
Description.
---
Farine|100|g
---
Mélanger.
---
apéritif
blinis
`;
    const result = readBentext(raw);
    expect(result.tags).toEqual(["apéritif", "blinis"]);
    expect(result.notes).toEqual([]);
    expect(result.meta).toEqual([]);
  });

  it("place tags + meta dès 5 blocs (sans notes)", () => {
    const raw = `Title
1
Description.
---
Farine|100|g
---
Mélanger.
---
apéritif
---
Meta X
`;
    const result = readBentext(raw);
    expect(result.tags).toEqual(["apéritif"]);
    expect(result.notes).toEqual([]);
    expect(result.meta).toEqual(["Meta X"]);
  });

  it("convertit les tags en minuscules", () => {
    const raw = `T
1
D
---
A|1|g
---
S1
---
Bento
CARNET
`;
    const result = readBentext(raw);
    expect(result.tags).toEqual(["bento", "carnet"]);
  });

  it("gère les notes et tags vides (blocs absents)", () => {
    const raw = `T

D
---

---
S1
`;
    const result = readBentext(raw);
    expect(result.title).toBe("T");
    expect(result.version).toBe("");
    expect(result.servings).toBe(1);
    expect(result.description).toBe("D");
    expect(result.ingredients).toEqual([]);
    expect(result.steps).toEqual([{ id: "step-1", priority: 10, phase: "cook", dependsOn: [], text: "S1" }]);
    expect(result.notes).toEqual([]);
    expect(result.tags).toEqual([]);
    expect(result.meta).toEqual([]);
  });

  it("extrait la note ingrédient après position 3 (parties | supplémentaires)", () => {
    const raw = `T
1
D
---
Farine|200|g|type 55
---
Mélanger.
---
---
---
`;
    const result = readBentext(raw);
    expect(result.ingredients).toEqual([
      { name: "Farine", quantity: 200, unit: "g", note: "type 55" }
    ]);
  });
});

describe("splitIngredientLine", () => {
  it("split name | quantity | unit", () => {
    expect(splitIngredientLine("Farine|200|g")).toEqual({ name: "Farine", quantity: 200, unit: "g", note: "" });
  });

  it("renvoie quantity=NaN si non numérique (comportement préservé)", () => {
    expect(splitIngredientLine("Sel|abc|c. à c.")).toEqual({
      name: "Sel",
      quantity: Number.NaN,
      unit: "c. à c.",
      note: ""
    });
  });

  it("conserve la note avec | à l'intérieur", () => {
    expect(splitIngredientLine("Sauce|2|c. à s.|soja | sucrée")).toEqual({
      name: "Sauce",
      quantity: 2,
      unit: "c. à s.",
      note: "soja | sucrée"
    });
  });
});