Phase2: Invoicecomputation/AdminpricingUI/Ainvoicemgnt

src/components/admin/billing/pricing-editor.tsx

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+"use client";
+
+import { useState } from "react";
+import { useRouter } from "next/navigation";
+import { useTranslations } from "next-intl";
+import { Card, CardHeader } from "@/components/ui/card";
+import type { PlatformPricing, SkillPricing } from "@/types";
+
+interface CatalogEntry {
+  id: string;
+  name: string;
+  kind: string;
+}
+
+interface Props {
+  initialPricing: PlatformPricing;
+  initialSkillPricing: SkillPricing[];
+  catalog: CatalogEntry[];
+}
+
+/**
+ * Two-card layout:
+ *   1. Platform pricing form (4 inputs, save = PUT to /pricing).
+ *   2. Skill pricing table — list of priced skills, "Add skill"
+ *      picker below.
+ *
+ * No optimistic updates — every save round-trips and we
+ * router.refresh() afterwards so the server-side render stays
+ * the source of truth.
+ */
+export function PricingEditor({
+  initialPricing,
+  initialSkillPricing,
+  catalog,
+}: Props) {
+  const t = useTranslations("adminBilling");
+  const router = useRouter();
+
+  // -- Platform pricing form ----------------------------------------------
+  const [monthly, setMonthly] = useState(
+    String(initialPricing.tenantMonthlyFeeChf)
+  );
+  const [setup, setSetup] = useState(String(initialPricing.tenantSetupFeeChf));
+  const [threema, setThreema] = useState(
+    String(initialPricing.threemaMessageChf)
+  );
+  const [vat, setVat] = useState(String(initialPricing.vatRateChli));
+  const [savingPricing, setSavingPricing] = useState(false);
+  const [pricingError, setPricingError] = useState("");
+  const [pricingSaved, setPricingSaved] = useState(false);
+
+  const savePricing = async (e: React.FormEvent) => {
+    e.preventDefault();
+    setSavingPricing(true);
+    setPricingError("");
+    setPricingSaved(false);
+    try {
+      const res = await fetch("/api/admin/billing/pricing", {
+        method: "PUT",
+        headers: { "Content-Type": "application/json" },
+        body: JSON.stringify({
+          tenantMonthlyFeeChf: Number(monthly),
+          tenantSetupFeeChf: Number(setup),
+          threemaMessageChf: Number(threema),
+          vatRateChli: Number(vat),
+        }),
+      });
+      if (!res.ok) {
+        const j = await res.json().catch(() => ({}));
+        throw new Error(j.error || `HTTP ${res.status}`);
+      }
+      setPricingSaved(true);
+      router.refresh();
+    } catch (e: any) {
+      setPricingError(e.message);
+    } finally {
+      setSavingPricing(false);
+    }
+  };
+
+  // -- Skill pricing ------------------------------------------------------
+  // Server is authoritative — we don't keep an editable local copy of the
+  // table; instead each action posts to the API and we router.refresh().
+  const [newSkillId, setNewSkillId] = useState(
+    catalog.find((c) => c.kind === "skill")?.id ?? ""
+  );
+  const [newSkillPrice, setNewSkillPrice] = useState("0.10");
+  const [addingSkill, setAddingSkill] = useState(false);
+  const [skillError, setSkillError] = useState("");
+
+  const addOrUpdateSkill = async (
+    e: React.FormEvent,
+    overrideId?: string,
+    overridePrice?: string
+  ) => {
+    e.preventDefault();
+    setAddingSkill(true);
+    setSkillError("");
+    try {
+      const res = await fetch("/api/admin/billing/skill-pricing", {
+        method: "PUT",
+        headers: { "Content-Type": "application/json" },
+        body: JSON.stringify({
+          skillId: overrideId ?? newSkillId,
+          dailyPriceChf: Number(overridePrice ?? newSkillPrice),
+        }),
+      });
+      if (!res.ok) {
+        const j = await res.json().catch(() => ({}));
+        throw new Error(j.error || `HTTP ${res.status}`);
+      }
+      router.refresh();
+    } catch (e: any) {
+      setSkillError(e.message);
+    } finally {
+      setAddingSkill(false);
+    }
+  };
+
+  const deleteSkill = async (skillId: string) => {
+    if (!confirm(t("confirmDeleteSkillPrice", { skill: skillId }))) return;
+    setSkillError("");
+    try {
+      const res = await fetch(
+        `/api/admin/billing/skill-pricing/${encodeURIComponent(skillId)}`,
+        { method: "DELETE" }
+      );
+      if (!res.ok) {
+        const j = await res.json().catch(() => ({}));
+        throw new Error(j.error || `HTTP ${res.status}`);
+      }
+      router.refresh();
+    } catch (e: any) {
+      setSkillError(e.message);
+    }
+  };
+
+  // Catalog filtered to skill-kind entries for the picker, but keeping
+  // existing pricing rows even if they reference non-skill packages.
+  const skillCatalogOptions = catalog.filter((c) => c.kind === "skill");
+  const catalogIndex = new Map(catalog.map((c) => [c.id, c]));
+  const pricedIds = new Set(initialSkillPricing.map((s) => s.skillId));
+
+  return (
+    <div className="space-y-6">
+      <Card>
+        <CardHeader>{t("platformPricingTitle")}</CardHeader>
+        <form onSubmit={savePricing} className="space-y-4">
+          <div className="grid grid-cols-2 gap-4">
+            <label className="block">
+              <span className="text-sm text-text-secondary">
+                {t("monthlyFeeLabel")} (CHF)
+              </span>
+              <input
+                type="number"
+                step="0.01"
+                min="0"
+                value={monthly}
+                onChange={(e) => setMonthly(e.target.value)}
+                className="mt-1 w-full px-3 py-2 rounded-md border border-border bg-surface-2 text-sm"
+                required
+              />
+            </label>
+            <label className="block">
+              <span className="text-sm text-text-secondary">
+                {t("setupFeeLabel")} (CHF)
+              </span>
+              <input
+                type="number"
+                step="0.01"
+                min="0"
+                value={setup}
+                onChange={(e) => setSetup(e.target.value)}
+                className="mt-1 w-full px-3 py-2 rounded-md border border-border bg-surface-2 text-sm"
+                required
+              />
+            </label>
+            <label className="block">
+              <span className="text-sm text-text-secondary">
+                {t("threemaMessageLabel")} (CHF)
+              </span>
+              <input
+                type="number"
+                step="0.0001"
+                min="0"
+                value={threema}
+                onChange={(e) => setThreema(e.target.value)}
+                className="mt-1 w-full px-3 py-2 rounded-md border border-border bg-surface-2 text-sm"
+                required
+              />
+            </label>
+            <label className="block">
+              <span className="text-sm text-text-secondary">
+                {t("vatRateLabel")} (%)
+              </span>
+              <input
+                type="number"
+                step="0.01"
+                min="0"
+                max="100"
+                value={vat}
+                onChange={(e) => setVat(e.target.value)}
+                className="mt-1 w-full px-3 py-2 rounded-md border border-border bg-surface-2 text-sm"
+                required
+              />
+            </label>
+          </div>
+          <div className="flex items-center gap-3">
+            <button
+              type="submit"
+              disabled={savingPricing}
+              className="px-4 py-2 rounded-md bg-accent text-white text-sm disabled:opacity-50"
+            >
+              {savingPricing ? t("saving") : t("save")}
+            </button>
+            {pricingSaved && (
+              <span className="text-sm text-success">{t("savedOk")}</span>
+            )}
+            {pricingError && (
+              <span className="text-sm text-error">{pricingError}</span>
+            )}
+          </div>
+        </form>
+      </Card>
+
+      <Card>
+        <CardHeader>{t("skillPricingTitle")}</CardHeader>
+        <p className="text-sm text-text-muted mb-4">{t("skillPricingDesc")}</p>
+
+        {initialSkillPricing.length > 0 ? (
+          <table className="w-full text-sm mb-6">
+            <thead className="text-xs text-text-muted text-left">
+              <tr>
+                <th className="pb-2">{t("skillCol")}</th>
+                <th className="pb-2 text-right">{t("dailyPriceCol")}</th>
+                <th className="pb-2 text-right">{t("actionsCol")}</th>
+              </tr>
+            </thead>
+            <tbody>
+              {initialSkillPricing.map((sp) => {
+                const entry = catalogIndex.get(sp.skillId);
+                return (
+                  <tr
+                    key={sp.skillId}
+                    className="border-t border-border align-top"
+                  >
+                    <td className="py-2">
+                      <div className="font-mono text-xs">{sp.skillId}</div>
+                      {entry && (
+                        <div className="text-xs text-text-muted">{entry.name}</div>
+                      )}
+                    </td>
+                    <td className="py-2 text-right">
+                      <InlinePriceEditor
+                        skillId={sp.skillId}
+                        initialPrice={sp.dailyPriceChf}
+                        onSave={(price) =>
+                          addOrUpdateSkill(
+                            new Event("submit") as any,
+                            sp.skillId,
+                            String(price)
+                          )
+                        }
+                      />
+                    </td>
+                    <td className="py-2 text-right">
+                      <button
+                        onClick={() => deleteSkill(sp.skillId)}
+                        className="text-xs text-error hover:underline"
+                      >
+                        {t("remove")}
+                      </button>
+                    </td>
+                  </tr>
+                );
+              })}
+            </tbody>
+          </table>
+        ) : (
+          <p className="text-sm text-text-muted italic mb-4">{t("noSkillsPriced")}</p>
+        )}
+
+        <form
+          onSubmit={(e) => addOrUpdateSkill(e)}
+          className="flex items-end gap-3"
+        >
+          <label className="flex-grow">
+            <span className="text-xs text-text-muted">{t("addSkillLabel")}</span>
+            <select
+              value={newSkillId}
+              onChange={(e) => setNewSkillId(e.target.value)}
+              className="mt-1 w-full px-3 py-2 rounded-md border border-border bg-surface-2 text-sm"
+            >
+              {skillCatalogOptions
+                .filter((c) => !pricedIds.has(c.id))
+                .map((c) => (
+                  <option key={c.id} value={c.id}>
+                    {c.name} ({c.id})
+                  </option>
+                ))}
+            </select>
+          </label>
+          <label className="w-32">
+            <span className="text-xs text-text-muted">
+              {t("dailyPriceLabel")} (CHF)
+            </span>
+            <input
+              type="number"
+              step="0.01"
+              min="0"
+              value={newSkillPrice}
+              onChange={(e) => setNewSkillPrice(e.target.value)}
+              className="mt-1 w-full px-3 py-2 rounded-md border border-border bg-surface-2 text-sm"
+            />
+          </label>
+          <button
+            type="submit"
+            disabled={addingSkill || !newSkillId}
+            className="px-4 py-2 rounded-md bg-accent text-white text-sm disabled:opacity-50"
+          >
+            {addingSkill ? t("saving") : t("add")}
+          </button>
+        </form>
+        {skillError && (
+          <p className="text-sm text-error mt-2">{skillError}</p>
+        )}
+      </Card>
+    </div>
+  );
+}
+
+/**
+ * Tiny inline editor for a single skill's daily price. Mounts in
+ * "view" mode showing the current value as a clickable badge;
+ * clicking turns it into an input + save/cancel buttons.
+ */
+function InlinePriceEditor({
+  skillId,
+  initialPrice,
+  onSave,
+}: {
+  skillId: string;
+  initialPrice: number;
+  onSave: (price: number) => Promise<void> | void;
+}) {
+  const t = useTranslations("adminBilling");
+  const [editing, setEditing] = useState(false);
+  const [value, setValue] = useState(String(initialPrice));
+  const [busy, setBusy] = useState(false);
+
+  if (!editing) {
+    return (
+      <button
+        onClick={() => setEditing(true)}
+        className="text-sm font-mono hover:underline"
+        title={t("clickToEdit")}
+      >
+        CHF {initialPrice.toFixed(2)}
+      </button>
+    );
+  }
+  return (
+    <span className="inline-flex items-center gap-1">
+      <input
+        type="number"
+        step="0.01"
+        min="0"
+        value={value}
+        onChange={(e) => setValue(e.target.value)}
+        className="w-20 px-2 py-1 text-sm border border-border bg-surface-2 rounded"
+        autoFocus
+      />
+      <button
+        onClick={async () => {
+          setBusy(true);
+          try {
+            await onSave(Number(value));
+            setEditing(false);
+          } finally {
+            setBusy(false);
+          }
+        }}
+        disabled={busy}
+        className="text-xs px-2 py-1 bg-accent text-white rounded"
+      >
+        {busy ? "…" : "✓"}
+      </button>
+      <button
+        onClick={() => {
+          setValue(String(initialPrice));
+          setEditing(false);
+        }}
+        className="text-xs px-2 py-1 border border-border rounded"
+      >
+        ✕
+      </button>
+    </span>
+  );
+}