// ── NatusWheelSpec.js ─────────────────────────────────────────────────────────
//
// Unit specs for natus-wheel.js — planet/element click-to-lock tooltips.
//
// DOM contract assumed:
//   <svg id="id_natus_svg">         — target for NatusWheel.draw()
//   <div id="id_natus_tooltip">     — tooltip portal (position:fixed on page)
//
// Click-lock contract:
//   click on [data-planet] group   → adds .nw-planet--active class
//                                    raises group to DOM front
//                                    shows #id_natus_tooltip with
//                                    planet name, in-sign degree, sign name,
//                                    ℞ if retrograde, and "n / total" index
//   click same planet again        → removes .nw-planet--active; hides tooltip
//   PRV / NXT buttons in tooltip   → cycle to adjacent planet by ecliptic degree
//
// In-sign degree: ecliptic_longitude % 30  (e.g. 338.4° → 8.4° Pisces)
//
// ─────────────────────────────────────────────────────────────────────────────

// Shared chart — Sun (66.7°), Venus (63.3°), Mars (132.0°)
// Descending-degree (clockwise) order: Mars (132.0) → Sun (66.7) → Venus (63.3)
const CONJUNCTION_CHART = {
    planets: {
        Sun:   { sign: "Gemini", degree: 66.7, retrograde: false },
        Venus: { sign: "Gemini", degree: 63.3, retrograde: false },
        Mars:  { sign: "Leo",    degree: 132.0, retrograde: false },
    },
    houses: {
        cusps: [180, 210, 240, 270, 300, 330, 0, 30, 60, 90, 120, 150],
        asc: 180.0, mc: 90.0,
    },
    elements: { Fire: 1, Stone: 0, Air: 2, Water: 0, Time: 0, Space: 0 },
    aspects: [],
    distinctions: {
        "1": 0, "2": 0, "3": 2, "4": 0, "5": 0, "6": 0,
        "7": 0, "8": 0, "9": 1, "10": 0, "11": 0, "12": 0,
    },
    house_system: "O",
};

describe("NatusWheel — planet click tooltips", () => {

    const SYNTHETIC_CHART = {
        planets: {
            Sun:     { sign: "Pisces",    degree: 338.4, retrograde: false },
            Moon:    { sign: "Capricorn", degree: 295.1, retrograde: false },
            Mercury: { sign: "Aquarius",  degree: 312.8, retrograde: true  },
        },
        houses: {
            cusps: [0, 30, 60, 90, 120, 150, 180, 210, 240, 270, 300, 330],
            asc: 0,
            mc: 270,
        },
        elements: { Fire: 1, Stone: 2, Air: 1, Water: 3, Time: 1, Space: 2 },
        aspects: [],
        distinctions: {
            "1": 0, "2": 0, "3": 0, "4": 0,
            "5": 0, "6": 0, "7": 0, "8": 0,
            "9": 0, "10": 0, "11": 0, "12": 0,
        },
        house_system: "P",
    };

    let svgEl, tooltipEl;

    beforeEach(() => {
        svgEl = document.createElementNS("http://www.w3.org/2000/svg", "svg");
        svgEl.setAttribute("id", "id_natus_svg");
        svgEl.setAttribute("width",  "400");
        svgEl.setAttribute("height", "400");
        svgEl.style.width  = "400px";
        svgEl.style.height = "400px";
        document.body.appendChild(svgEl);

        tooltipEl = document.createElement("div");
        tooltipEl.id        = "id_natus_tooltip";
        tooltipEl.className = "tt";
        tooltipEl.style.display = "none";
        document.body.appendChild(tooltipEl);

        NatusWheel.draw(svgEl, SYNTHETIC_CHART);
    });

    afterEach(() => {
        NatusWheel.clear();
        svgEl.remove();
        tooltipEl.remove();
    });

    // ── T3 ── click planet shows name / sign / in-sign degree + glow ──────────

    it("T3: clicking a planet group adds the active class and shows the tooltip with name, sign, and in-sign degree", () => {
        const sun = svgEl.querySelector("[data-planet='Sun']");
        expect(sun).not.toBeNull("expected [data-planet='Sun'] to exist in the SVG");

        sun.dispatchEvent(new MouseEvent("click", { bubbles: true }));

        expect(sun.classList.contains("nw-planet--active")).toBe(true);
        expect(tooltipEl.style.display).toBe("block");

        const text = tooltipEl.textContent;
        expect(text).toContain("Sun");
        expect(text).toContain("Pisces");
        // in-sign degree: 338.4° ecliptic − 330° (Pisces start) = 8.4°
        expect(text).toContain("8.4");
    });

    // ── T4 ── retrograde planet shows ℞ ──────────────────────────────────────

    it("T4: clicking a retrograde planet shows ℞ in the tooltip", () => {
        const mercury = svgEl.querySelector("[data-planet='Mercury']");
        expect(mercury).not.toBeNull("expected [data-planet='Mercury'] to exist in the SVG");

        mercury.dispatchEvent(new MouseEvent("click", { bubbles: true }));

        expect(tooltipEl.style.display).toBe("block");
        expect(tooltipEl.textContent).toContain("℞");
    });

    // ── T5 ── clicking same planet again hides tooltip and removes active ──────

    it("T5: clicking the same planet again hides the tooltip and removes the active class", () => {
        const sun = svgEl.querySelector("[data-planet='Sun']");
        expect(sun).not.toBeNull("expected [data-planet='Sun'] to exist in the SVG");

        sun.dispatchEvent(new MouseEvent("click", { bubbles: true }));
        expect(tooltipEl.style.display).toBe("block");

        sun.dispatchEvent(new MouseEvent("click", { bubbles: true }));

        expect(tooltipEl.style.display).toBe("none");
        expect(sun.classList.contains("nw-planet--active")).toBe(false);
    });

    // ── T6 ── tooltip shows PRV / NXT buttons ─────────────────────────────────

    it("T6: tooltip contains PRV and NXT buttons after a planet click", () => {
        const sun = svgEl.querySelector("[data-planet='Sun']");
        sun.dispatchEvent(new MouseEvent("click", { bubbles: true }));

        expect(tooltipEl.querySelector(".nw-tt-prv")).not.toBeNull("expected .nw-tt-prv button");
        expect(tooltipEl.querySelector(".nw-tt-nxt")).not.toBeNull("expected .nw-tt-nxt button");
    });
});

describe("NatusWheel — tick lines, raise, and cycle navigation", () => {

    let svgEl2, tooltipEl;

    beforeEach(() => {
        svgEl2 = document.createElementNS("http://www.w3.org/2000/svg", "svg");
        svgEl2.setAttribute("id", "id_natus_svg_conj");
        svgEl2.setAttribute("width",  "400");
        svgEl2.setAttribute("height", "400");
        svgEl2.style.width  = "400px";
        svgEl2.style.height = "400px";
        document.body.appendChild(svgEl2);

        tooltipEl = document.createElement("div");
        tooltipEl.id             = "id_natus_tooltip";
        tooltipEl.className      = "tt";
        tooltipEl.style.display  = "none";
        tooltipEl.style.position = "fixed";
        document.body.appendChild(tooltipEl);

        NatusWheel.draw(svgEl2, CONJUNCTION_CHART);
    });

    afterEach(() => {
        NatusWheel.clear();
        svgEl2.remove();
        tooltipEl.remove();
    });

    // ── T7 ── tick present in DOM and extends past the zodiac ring ───────────
    // Visibility is CSS-controlled (opacity-0 by default, revealed on --active).

    it("T7: each planet has a tick line whose outer endpoint extends past the sign ring", () => {
        const tick = svgEl2.querySelector(".nw-planet-tick");
        expect(tick).not.toBeNull("expected at least one .nw-planet-tick element");

        const cx = 200, cy = 200;
        const x2 = parseFloat(tick.getAttribute("x2"));
        const y2 = parseFloat(tick.getAttribute("y2"));
        const rOuter = Math.sqrt((x2 - cx) ** 2 + (y2 - cy) ** 2);
        // _r = Math.min(400,400) * 0.46 = 184; signOuter = _r * 0.90 = 165.6
        const signOuter = 400 * 0.46 * 0.90;
        expect(rOuter).toBeGreaterThan(signOuter);
    });

    // ── T8 ── click raises planet to front ────────────────────────────────────

    it("T8: clicking a planet raises it to the last DOM position (visually on top)", () => {
        const sun   = svgEl2.querySelector("[data-planet='Sun']");
        const venus = svgEl2.querySelector("[data-planet='Venus']");
        expect(sun).not.toBeNull("expected [data-planet='Sun']");
        expect(venus).not.toBeNull("expected [data-planet='Venus']");

        sun.dispatchEvent(new MouseEvent("click", { bubbles: true }));
        venus.dispatchEvent(new MouseEvent("click", { bubbles: true }));

        const groups = Array.from(svgEl2.querySelectorAll(".nw-planet-group"));
        expect(groups[groups.length - 1].getAttribute("data-planet")).toBe("Venus");
    });

    // ── T9c ── NXT cycles clockwise (to lower ecliptic degree) ──────────────
    // Descending order: Mars [idx 0] → Sun [idx 1] → Venus [idx 2]
    // Clicking Sun (idx 1) then NXT should activate Venus (idx 2, lower degree = clockwise).

    it("T9c: clicking NXT from Sun shows Venus (next planet clockwise = lower degree)", () => {
        const sun = svgEl2.querySelector("[data-planet='Sun']");
        expect(sun).not.toBeNull("expected [data-planet='Sun']");

        sun.dispatchEvent(new MouseEvent("click", { bubbles: true }));

        expect(tooltipEl.style.display).toBe("block");
        expect(tooltipEl.textContent).toContain("Sun");

        const nxtBtn = tooltipEl.querySelector(".nw-tt-nxt");
        expect(nxtBtn).not.toBeNull("expected .nw-tt-nxt button in tooltip");

        nxtBtn.dispatchEvent(new MouseEvent("click", { bubbles: true }));

        expect(tooltipEl.style.display).toBe("block");
        expect(tooltipEl.textContent).toContain("Venus");

        const venus = svgEl2.querySelector("[data-planet='Venus']");
        expect(venus.classList.contains("nw-planet--active")).toBe(true);
        expect(sun.classList.contains("nw-planet--active")).toBe(false);
    });

    // ── T9n ── PRV cycles counterclockwise (to higher ecliptic degree) ────────

    it("T9n: clicking PRV from Sun shows Mars (previous planet counterclockwise = higher degree)", () => {
        const sun = svgEl2.querySelector("[data-planet='Sun']");
        expect(sun).not.toBeNull("expected [data-planet='Sun']");

        sun.dispatchEvent(new MouseEvent("click", { bubbles: true }));

        const prvBtn = tooltipEl.querySelector(".nw-tt-prv");
        prvBtn.dispatchEvent(new MouseEvent("click", { bubbles: true }));

        expect(tooltipEl.textContent).toContain("Mars");
        const mars = svgEl2.querySelector("[data-planet='Mars']");
        expect(mars.classList.contains("nw-planet--active")).toBe(true);
    });

    // ── T9w ── NXT wraps clockwise from the last (lowest-degree) planet ───────

    it("T9w: cycling NXT from Venus (lowest degree) wraps clockwise to Mars (highest degree)", () => {
        // Venus is idx 2 (lowest degree = furthest clockwise); NXT wraps to idx 0 = Mars
        const venus = svgEl2.querySelector("[data-planet='Venus']");
        venus.dispatchEvent(new MouseEvent("click", { bubbles: true }));

        const nxtBtn = tooltipEl.querySelector(".nw-tt-nxt");
        nxtBtn.dispatchEvent(new MouseEvent("click", { bubbles: true }));

        expect(tooltipEl.textContent).toContain("Mars");
        const mars = svgEl2.querySelector("[data-planet='Mars']");
        expect(mars.classList.contains("nw-planet--active")).toBe(true);
    });
});

// ── Half-wheel tooltip positioning ───────────────────────────────────────────
//
// Tooltip lands in the opposite vertical half, with horizontal edge anchored
// to the item's screen edge on the same L/R side.
//
// SVG: 400×400 at viewport origin → centre = (200, 200).
// Tooltip offsetWidth/Height: 0 in JSDOM (no layout engine) → ttW=ttH=0.
// Clamping uses svgRect bounds (not window.inner*), so no viewport mock needed.
// REM = 16 px.  Item circle: 20×20 px around mock centre.
//
// Vertical results (item circle centre at y):
//   y ≥ 200 (lower half): top = svgCY - REM - ttH = 200 - 16 - 0 = 184
//   y <  200 (upper half): top = svgCY + REM        = 200 + 16       = 216
//
// Horizontal results (item circle centre at x, radius=10):
//   x < 200 (left side):  left = iRect.left  = x - 10
//   x ≥ 200 (right side): left = iRect.right - ttW = x + 10 - 0 = x + 10
// ─────────────────────────────────────────────────────────────────────────────

// ── DON / DOFF aspect line persistence ───────────────────────────────────────
//
// Aspect lines belong to the page session, not the tooltip:
//   - DON draws lines into .nw-aspects and disables DON btn (shows ×)
//   - closing the tooltip does NOT clear lines
//   - re-opening the SAME planet preserves _aspectsVisible → DON still disabled
//   - opening a DIFFERENT planet resets state: lines cleared, DON active
//   - DOFF clears lines; re-opening same planet finds DON active
// ─────────────────────────────────────────────────────────────────────────────

describe("NatusWheel — DON/DOFF aspect line persistence", () => {

    const ASPECT_CHART = {
        planets: {
            Sun:  { sign: "Capricorn", degree: 280.4, retrograde: false },
            Moon: { sign: "Scorpio",   degree: 220.1, retrograde: false },
            Mars: { sign: "Taurus",    degree:  40.7, retrograde: false },
        },
        houses: {
            cusps: [0, 30, 60, 90, 120, 150, 180, 210, 240, 270, 300, 330],
            asc: 0, mc: 270,
        },
        elements: { Fire: 0, Stone: 0, Air: 0, Water: 1, Time: 0, Space: 0 },
        aspects: [
            { planet1: "Sun", planet2: "Mars", type: "Trine",
              orb: 0.3, angle: 120, applying_planet: "Sun" },
            { planet1: "Sun", planet2: "Moon", type: "Sextile",
              orb: 2.9, angle: 60, applying_planet: "Moon" },
        ],
        distinctions: {
            "1": 0, "2": 0, "3": 0, "4": 0,
            "5": 0, "6": 0, "7": 0, "8": 0,
            "9": 0, "10": 0, "11": 0, "12": 0,
        },
        house_system: "O",
    };

    let svgEl, tooltipEl;

    beforeEach(() => {
        svgEl = document.createElementNS("http://www.w3.org/2000/svg", "svg");
        svgEl.setAttribute("id", "id_natus_svg");
        svgEl.setAttribute("width",  "400");
        svgEl.setAttribute("height", "400");
        svgEl.style.width  = "400px";
        svgEl.style.height = "400px";
        document.body.appendChild(svgEl);

        tooltipEl = document.createElement("div");
        tooltipEl.id        = "id_natus_tooltip";
        tooltipEl.className = "tt";
        tooltipEl.style.display = "none";
        document.body.appendChild(tooltipEl);

        NatusWheel.draw(svgEl, ASPECT_CHART);
    });

    afterEach(() => {
        NatusWheel.clear();
        svgEl.remove();
        tooltipEl.remove();
    });

    function clickPlanet(name) {
        svgEl.querySelector(`[data-planet="${name}"]`)
             .dispatchEvent(new MouseEvent("click", { bubbles: true }));
    }
    function clickDon()  { tooltipEl.querySelector(".nw-asp-don") .dispatchEvent(new MouseEvent("click", { bubbles: true })); }
    function clickDoff() { tooltipEl.querySelector(".nw-asp-doff").dispatchEvent(new MouseEvent("click", { bubbles: true })); }
    function aspectLines() { return svgEl.querySelectorAll(".nw-aspects line").length; }
    function donDisabled() { return tooltipEl.querySelector(".nw-asp-don").classList.contains("btn-disabled"); }

    // T11a — DON draws lines
    it("T11a: clicking DON draws aspect lines into .nw-aspects", () => {
        clickPlanet("Sun");
        expect(aspectLines()).toBe(0);
        clickDon();
        expect(aspectLines()).toBeGreaterThan(0);
    });

    // T11b — closing tooltip must not clear aspect lines
    it("T11b: closing the tooltip (outside click) does not clear aspect lines", () => {
        clickPlanet("Sun");
        clickDon();
        const lineCount = aspectLines();
        expect(lineCount).toBeGreaterThan(0);

        document.body.dispatchEvent(new MouseEvent("click", { bubbles: true }));

        expect(tooltipEl.style.display).toBe("none");
        expect(aspectLines()).toBe(lineCount);
    });

    // T11c — re-opening same planet preserves DON-disabled state
    it("T11c: re-opening the same planet after DON keeps DON disabled (lines still active)", () => {
        clickPlanet("Sun");
        clickDon();
        expect(donDisabled()).toBe(true);

        document.body.dispatchEvent(new MouseEvent("click", { bubbles: true }));
        clickPlanet("Sun");

        expect(donDisabled()).toBe(true);
        expect(aspectLines()).toBeGreaterThan(0);
    });

    // T11d — switching planet leaves previous DONned lines intact; DON active for new planet
    it("T11d: opening a different planet leaves DONned lines intact — DON active for new planet", () => {
        clickPlanet("Sun");
        clickDon();
        const lineCount = aspectLines();
        expect(lineCount).toBeGreaterThan(0);

        clickPlanet("Moon");

        expect(donDisabled()).toBe(false);   // Moon's DON is fresh/active
        expect(aspectLines()).toBe(lineCount); // Sun's lines still there
    });

    // T11f — DONning a second planet replaces the first planet's lines + tick
    it("T11f: clicking DON on a second planet clears the first planet's lines", () => {
        clickPlanet("Sun");
        clickDon();
        expect(aspectLines()).toBeGreaterThan(0);

        clickPlanet("Moon");
        clickDon();

        expect(donDisabled()).toBe(true);    // Moon's DON now disabled
        // Moon aspects — Sun's lines replaced (lines may be 0 if Moon has no aspects)
        const sunGrp = svgEl.querySelector('[data-planet="Sun"]');
        expect(sunGrp.classList.contains('nw-planet--asp-active')).toBe(false);
    });

    // T11e — DOFF clears lines; re-opening same planet starts fresh
    it("T11e: DOFF clears lines; re-opening same planet finds DON active again", () => {
        clickPlanet("Sun");
        clickDon();
        clickDoff();
        expect(aspectLines()).toBe(0);

        document.body.dispatchEvent(new MouseEvent("click", { bubbles: true }));
        clickPlanet("Sun");

        expect(donDisabled()).toBe(false);
        expect(aspectLines()).toBe(0);
    });
});

xdescribe("NatusWheel — half-wheel tooltip positioning", () => {

    const HALF_CHART = {
        planets: {
            // Vesta  90° → SVG (200, 274) — BELOW centre
            // Ceres 270° → SVG (200, 126) — ABOVE centre
            Vesta:  { sign: "Cancer",    degree:  90, retrograde: false },
            Ceres:  { sign: "Capricorn", degree: 270, retrograde: false },
        },
        houses: {
            cusps: [0, 30, 60, 90, 120, 150, 180, 210, 240, 270, 300, 330],
            asc: 0, mc: 270,
        },
        elements: { Fire: 0, Stone: 1, Air: 0, Water: 1, Time: 0, Space: 0 },
        aspects: [],
        distinctions: {
            "1": 0, "2": 0, "3": 0, "4": 1,
            "5": 0, "6": 0, "7": 0, "8": 0,
            "9": 0, "10": 1, "11": 0, "12": 0,
        },
        house_system: "P",
    };

    let svgEl3, tooltipEl;

    beforeEach(() => {
        svgEl3 = document.createElementNS("http://www.w3.org/2000/svg", "svg");
        svgEl3.setAttribute("id", "id_natus_svg_half");
        svgEl3.setAttribute("width",  "400");
        svgEl3.setAttribute("height", "400");
        svgEl3.style.width  = "400px";
        svgEl3.style.height = "400px";
        document.body.appendChild(svgEl3);

        tooltipEl = document.createElement("div");
        tooltipEl.id             = "id_natus_tooltip";
        tooltipEl.className      = "tt";
        tooltipEl.style.display  = "none";
        tooltipEl.style.position = "fixed";
        document.body.appendChild(tooltipEl);

        // Simulate SVG occupying [0,400]×[0,400] in the viewport.
        // Clamping uses svgRect bounds, so no need to mock window.inner*.
        spyOn(svgEl3, "getBoundingClientRect").and.returnValue(
            { left: 0, top: 0, width: 400, height: 400, right: 400, bottom: 400 }
        );

        NatusWheel.draw(svgEl3, HALF_CHART);
    });

    afterEach(() => {
        NatusWheel.clear();
        svgEl3.remove();
        tooltipEl.remove();
    });

    function mockPlanetAt(name, screenX, screenY) {
        const grp    = svgEl3.querySelector(`[data-planet="${name}"]`);
        const circle = grp && (grp.querySelector("circle") || grp);
        if (circle) {
            spyOn(circle, "getBoundingClientRect").and.returnValue({
                left: screenX - 10, top: screenY - 10,
                width: 20, height: 20,
                right: screenX + 10, bottom: screenY + 10,
            });
        }
    }

    // T10a — lower half: lower edge of tooltip sits 1rem above centreline
    it("T10a: planet in lower half places tooltip lower-edge 1rem above the centreline (top=184)", () => {
        mockPlanetAt("Vesta", 200, 274);
        svgEl3.querySelector("[data-planet='Vesta']")
              .dispatchEvent(new MouseEvent("click", { bubbles: true }));
        expect(parseFloat(tooltipEl.style.top)).toBe(184);
    });

    // T10b — upper half: upper edge of tooltip sits 1rem below centreline
    it("T10b: planet in upper half places tooltip upper-edge 1rem below the centreline (top=216)", () => {
        mockPlanetAt("Ceres", 200, 126);
        svgEl3.querySelector("[data-planet='Ceres']")
              .dispatchEvent(new MouseEvent("click", { bubbles: true }));
        expect(parseFloat(tooltipEl.style.top)).toBe(216);
    });

    // T10c — left side: tooltip left edge aligns with item left edge (x=140 → left=130)
    it("T10c: planet on left side of wheel aligns tooltip left edge with item left edge", () => {
        mockPlanetAt("Vesta", 140, 274);  // itemRect.left = 130
        svgEl3.querySelector("[data-planet='Vesta']")
              .dispatchEvent(new MouseEvent("click", { bubbles: true }));
        expect(parseFloat(tooltipEl.style.left)).toBe(130);
    });

    // T10d — right side: tooltip right edge aligns with item right edge (x=260 → left=270-ttW=270)
    it("T10d: planet on right side of wheel aligns tooltip right edge with item right edge", () => {
        mockPlanetAt("Vesta", 260, 274);  // iRect.right=270, ttW=0 → left=270
        svgEl3.querySelector("[data-planet='Vesta']")
              .dispatchEvent(new MouseEvent("click", { bubbles: true }));
        expect(parseFloat(tooltipEl.style.left)).toBe(270);
    });
});