feat: add breath colors

app/dashboard/breathing/colors/page.tsx

@@ -0,0 +1,293 @@
+"use client";
+
+import { useState } from "react";
+import { apiFetch, ApiError } from "@/lib/api";
+import { useList } from "@/lib/useResource";
+import { useToast } from "@/components/toast";
+import { DataTable, type Column } from "@/components/DataTable";
+import {
+  Badge,
+  Button,
+  ConfirmDialog,
+  Field,
+  Input,
+  Modal,
+  PageHeader,
+  Switch,
+} from "@/components/ui";
+import { EditIcon, PlusIcon, TrashIcon } from "@/components/icons";
+import { toFa } from "@/lib/utils";
+
+interface BreathingColor {
+  id: number;
+  name?: string | null;
+  colors: string[];
+  order?: number;
+  is_active?: boolean;
+}
+
+function cssColor(c?: string): string {
+  if (!c) return "transparent";
+  const hex = c.replace("#", "");
+  if (hex.length === 8) return `#${hex.slice(2)}${hex.slice(0, 2)}`;
+  return `#${hex}`;
+}
+
+function gradientStyle(colors: string[]): React.CSSProperties {
+  const cs = (colors.length ? colors : ["#00000000"]).map(cssColor);
+  if (cs.length === 1) return { background: cs[0] };
+  return { background: `linear-gradient(135deg, ${cs.join(", ")})` };
+}
+
+export default function BreathingColorsPage() {
+  const { data, loading, error, reload } =
+    useList<BreathingColor>("/breathing-colors?include_inactive=1");
+  const toast = useToast();
+
+  const [editing, setEditing] = useState<BreathingColor | null>(null);
+  const [open, setOpen] = useState(false);
+  const [name, setName] = useState("");
+  const [order, setOrder] = useState("");
+  const [isActive, setIsActive] = useState(true);
+  const [colors, setColors] = useState<string[]>(["#5360FC"]);
+  const [saving, setSaving] = useState(false);
+
+  const [deleting, setDeleting] = useState<BreathingColor | null>(null);
+  const [removing, setRemoving] = useState(false);
+
+  function openCreate() {
+    setEditing(null);
+    setName("");
+    setOrder("");
+    setIsActive(true);
+    setColors(["#5360FC"]);
+    setOpen(true);
+  }
+  function openEdit(row: BreathingColor) {
+    setEditing(row);
+    setName(row.name ?? "");
+    setOrder(row.order != null ? String(row.order) : "");
+    setIsActive(row.is_active ?? true);
+    setColors(Array.isArray(row.colors) && row.colors.length ? row.colors : ["#5360FC"]);
+    setOpen(true);
+  }
+
+  async function save(e: React.FormEvent) {
+    e.preventDefault();
+    const clean = colors.map((c) => c.trim()).filter(Boolean);
+    if (!clean.length) {
+      toast.error("حداقل یک رنگ وارد کنید.");
+      return;
+    }
+    setSaving(true);
+    try {
+      const payload = {
+        name: name || null,
+        colors: clean,
+        order: order === "" ? undefined : Number(order),
+        is_active: isActive,
+      };
+      if (editing) {
+        await apiFetch(`/breathing-colors/${editing.id}`, { method: "PUT", body: payload });
+        toast.success("رنگ ویرایش شد.");
+      } else {
+        await apiFetch("/breathing-colors", { method: "POST", body: payload });
+        toast.success("رنگ افزوده شد.");
+      }
+      setOpen(false);
+      reload();
+    } catch (err) {
+      toast.error(err instanceof ApiError ? err.message : "خطا در ذخیره‌سازی");
+    } finally {
+      setSaving(false);
+    }
+  }
+
+  async function confirmDelete() {
+    if (!deleting) return;
+    setRemoving(true);
+    try {
+      await apiFetch(`/breathing-colors/${deleting.id}`, { method: "DELETE" });
+      toast.success("رنگ حذف شد.");
+      setDeleting(null);
+      reload();
+    } catch (err) {
+      toast.error(err instanceof ApiError ? err.message : "خطا در حذف");
+    } finally {
+      setRemoving(false);
+    }
+  }
+
+  const columns: Column<BreathingColor>[] = [
+    { key: "id", header: "شناسه", render: (r) => toFa(r.id), className: "w-20" },
+    {
+      key: "preview",
+      header: "رنگ",
+      className: "w-24",
+      render: (r) => (
+        <span
+          className="inline-block h-7 w-12 rounded-md border border-border"
+          style={gradientStyle(r.colors ?? [])}
+        />
+      ),
+    },
+    { key: "name", header: "نام", render: (r) => r.name || "—" },
+    {
+      key: "codes",
+      header: "کدها",
+      render: (r) => (
+        <span dir="ltr" className="text-xs text-muted">
+          {(r.colors ?? []).join("، ")}
+        </span>
+      ),
+    },
+    { key: "order", header: "ترتیب", render: (r) => toFa(r.order ?? 0), className: "w-20" },
+    {
+      key: "is_active",
+      header: "وضعیت",
+      className: "w-24",
+      render: (r) =>
+        r.is_active ? <Badge tone="success">فعال</Badge> : <Badge tone="neutral">غیرفعال</Badge>,
+    },
+  ];
+
+  return (
+    <div>
+      <PageHeader
+        title="رنگ‌های تنفس"
+        subtitle="پالت رنگی که کاربر هنگام ساخت تمرین تنفس انتخاب می‌کند"
+        action={
+          <Button icon={<PlusIcon className="h-4 w-4" />} onClick={openCreate}>
+            رنگ جدید
+          </Button>
+        }
+      />
+
+      <DataTable
+        columns={columns}
+        rows={data}
+        loading={loading}
+        error={error}
+        onRetry={reload}
+        emptyMessage="هنوز رنگی ثبت نشده است."
+        emptyAction={
+          <Button icon={<PlusIcon className="h-4 w-4" />} onClick={openCreate}>
+            رنگ جدید
+          </Button>
+        }
+        actions={(row) => (
+          <>
+            <Button variant="ghost" onClick={() => openEdit(row)} aria-label="ویرایش">
+              <EditIcon className="h-4 w-4" />
+            </Button>
+            <Button
+              variant="ghost"
+              onClick={() => setDeleting(row)}
+              aria-label="حذف"
+              className="text-danger"
+            >
+              <TrashIcon className="h-4 w-4" />
+            </Button>
+          </>
+        )}
+      />
+
+      <Modal
+        open={open}
+        onClose={() => setOpen(false)}
+        title={editing ? "ویرایش رنگ" : "رنگ جدید"}
+        footer={
+          <>
+            <Button variant="secondary" onClick={() => setOpen(false)}>
+              انصراف
+            </Button>
+            <Button form="bc-form" type="submit" loading={saving}>
+              ذخیره
+            </Button>
+          </>
+        }
+      >
+        <form id="bc-form" onSubmit={save} className="flex flex-col gap-4">
+          <Field label="نام">
+            <Input
+              value={name}
+              onChange={(e) => setName(e.target.value)}
+              placeholder="مثلاً بنفش"
+              autoFocus
+            />
+          </Field>
+
+          <Field label="رنگ‌ها" hint="یک رنگ = تک‌رنگ، چند رنگ = گرادینت.">
+            <div className="mb-2 flex items-center gap-2">
+              <span className="text-xs text-muted">پیش‌نمایش:</span>
+              <span
+                className="h-9 w-20 rounded-lg border border-border"
+                style={gradientStyle(colors)}
+              />
+            </div>
+            <div className="flex flex-col gap-2">
+              {colors.map((c, i) => (
+                <div key={i} className="flex items-center gap-2">
+                  <input
+                    type="color"
+                    value={cssColor(c)}
+                    onChange={(e) =>
+                      setColors((prev) => prev.map((x, j) => (j === i ? e.target.value : x)))
+                    }
+                    className="h-9 w-10 cursor-pointer rounded border border-border bg-transparent"
+                  />
+                  <Input
+                    value={c}
+                    onChange={(e) =>
+                      setColors((prev) => prev.map((x, j) => (j === i ? e.target.value : x)))
+                    }
+                    placeholder="#RRGGBB"
+                    dir="ltr"
+                  />
+                  {colors.length > 1 && (
+                    <Button
+                      type="button"
+                      variant="ghost"
+                      className="text-danger"
+                      onClick={() => setColors((prev) => prev.filter((_, j) => j !== i))}
+                    >
+                      ✕
+                    </Button>
+                  )}
+                </div>
+              ))}
+              <div>
+                <Button
+                  type="button"
+                  variant="secondary"
+                  onClick={() => setColors((prev) => [...prev, "#5360FC"])}
+                >
+                  + افزودن رنگ
+                </Button>
+              </div>
+            </div>
+          </Field>
+
+          <Field label="ترتیب">
+            <Input
+              type="number"
+              value={order}
+              onChange={(e) => setOrder(e.target.value)}
+              dir="ltr"
+            />
+          </Field>
+
+          <Switch checked={isActive} onChange={setIsActive} label="فعال" />
+        </form>
+      </Modal>
+
+      <ConfirmDialog
+        open={!!deleting}
+        message={`آیا از حذف این رنگ مطمئن هستید؟`}
+        loading={removing}
+        onConfirm={confirmDelete}
+        onClose={() => setDeleting(null)}
+      />
+    </div>
+  );
+}

app/dashboard/breathing/page.tsx

@@ -26,6 +26,29 @@ interface BreathingTemplate {
   duration?: number;
   description?: string;
   image_id?: number;
+  breathing_color_id?: number | null;
+  breathing_color?: BreathingColor | null;
+}
+
+interface BreathingColor {
+  id: number;
+  name?: string | null;
+  colors: string[];
+}
+
+// "#AARRGGBB" (ARGB) or "#RRGGBB" → a CSS color string.
+function cssColor(c?: string): string {
+  if (!c) return "transparent";
+  const hex = c.replace("#", "");
+  if (hex.length === 8) return `#${hex.slice(2)}${hex.slice(0, 2)}`; // ARGB→RGB(drop alpha)
+  return `#${hex}`;
+}
+
+// Linear gradient (or solid) preview for a list of colors.
+function gradientStyle(colors: string[]): React.CSSProperties {
+  const cs = (colors.length ? colors : ["#00000000"]).map(cssColor);
+  if (cs.length === 1) return { background: cs[0] };
+  return { background: `linear-gradient(135deg, ${cs.join(", ")})` };
 }
 
 interface BreathingForm {
@@ -57,11 +80,13 @@ function numOrUndefined(v: string): number | undefined {
 export default function BreathingPage() {
   const { data, loading, error, reload } =
     useList<BreathingTemplate>("/breathing-templates");
+  const { data: palette } = useList<BreathingColor>("/breathing-colors");
   const toast = useToast();
 
   const [editing, setEditing] = useState<BreathingTemplate | null>(null);
   const [open, setOpen] = useState(false);
   const [form, setForm] = useState<BreathingForm>(emptyForm);
+  const [breathingColorId, setBreathingColorId] = useState<number | null>(null);
   const [saving, setSaving] = useState(false);
 
   const [deleting, setDeleting] = useState<BreathingTemplate | null>(null);
@@ -74,6 +99,7 @@ export default function BreathingPage() {
   function openCreate() {
     setEditing(null);
     setForm(emptyForm);
+    setBreathingColorId(null);
     setOpen(true);
   }
   function openEdit(row: BreathingTemplate) {
@@ -87,6 +113,7 @@ export default function BreathingPage() {
       description: row.description ?? "",
       image_id: row.image_id != null ? String(row.image_id) : "",
     });
+    setBreathingColorId(row.breathing_color_id ?? null);
     setOpen(true);
   }
 
@@ -102,6 +129,7 @@ export default function BreathingPage() {
         duration: numOrUndefined(form.duration),
         description: form.description,
         image_id: numOrUndefined(form.image_id),
+        breathing_color_id: breathingColorId ?? undefined,
       };
       if (editing) {
         // Update is JSON on /breathing-templates/:id
@@ -167,6 +195,21 @@ export default function BreathingPage() {
       header: "مدت زمان",
       render: (r) => (r.duration != null ? formatDuration(r.duration) : "—"),
     },
+    {
+      key: "color",
+      header: "رنگ",
+      className: "w-20",
+      render: (r) =>
+        r.breathing_color?.colors?.length ? (
+          <span
+            className="inline-block h-6 w-10 rounded-md border border-border"
+            style={gradientStyle(r.breathing_color.colors)}
+            title={r.breathing_color.name ?? ""}
+          />
+        ) : (
+          "—"
+        ),
+    },
   ];
 
   return (
@@ -288,6 +331,44 @@ export default function BreathingPage() {
               placeholder="توضیح کوتاه درباره قالب"
             />
           </Field>
+
+          <Field
+            label="رنگ تمرین"
+            hint={
+              palette.length
+                ? "یک رنگ از پالت انتخاب کنید (در «رنگ‌های تنفس» مدیریت می‌شود)."
+                : "هنوز رنگی در «رنگ‌های تنفس» تعریف نشده است."
+            }
+          >
+            <div className="flex flex-wrap items-center gap-2">
+              {/* "no color" option */}
+              <button
+                type="button"
+                title="بدون رنگ"
+                onClick={() => setBreathingColorId(null)}
+                className={`flex h-9 w-9 items-center justify-center rounded-full border-2 text-muted ${
+                  breathingColorId === null ? "border-primary ring-2 ring-primary/40" : "border-border"
+                }`}
+              >
+                ✕
+              </button>
+              {palette.map((p) => {
+                const selected = breathingColorId === p.id;
+                return (
+                  <button
+                    key={p.id}
+                    type="button"
+                    title={p.name ?? ""}
+                    onClick={() => setBreathingColorId(p.id)}
+                    style={gradientStyle(p.colors)}
+                    className={`h-9 w-9 rounded-full border-2 transition ${
+                      selected ? "border-primary ring-2 ring-primary/40" : "border-border"
+                    }`}
+                  />
+                );
+              })}
+            </div>
+          </Field>
         </form>
       </Modal>
 

lib/nav.ts

@@ -87,7 +87,10 @@ export const NAV: NavSection[] = [
   {
     label: "تمرین تنفس",
     icon: BreathIcon,
-    items: [{ href: "/dashboard/breathing", label: "قالب‌های تنفس" }],
+    items: [
+      { href: "/dashboard/breathing", label: "قالب‌های تنفس" },
+      { href: "/dashboard/breathing/colors", label: "رنگ‌های تنفس" },
+    ],
   },
   {
     label: "پرسش‌ها",