import React from "react";
import {
  WizardTop,
  WizardBody,
  WizardQ,
  WizardFooter,
  LANE_LABELS,
  PresetGroup,
  Field,
} from "./onboarding-primitives";

const CONS_TOTAL = 3;
const CONS_STEP_NAMES = ["Brief", "Scope", "Handoff"];

const BRIEF_TEMPLATES = [
  {
    id: "quote_tool",
    label: "Quote tool",
    body: "Customers request a quote with a few photos and a project description. The team reviews, sends a polished PDF, customer signs and pays a deposit online.",
  },
  {
    id: "booking",
    label: "Booking system",
    body: "Customers see real availability, book a service window, and get reminders. The team has a daily view of jobs with addresses and contact info.",
  },
  {
    id: "portal",
    label: "Customer portal",
    body: "Logged-in customers see past jobs, invoices, documents, and can message the business. The business sees a single page per customer.",
  },
  {
    id: "internal",
    label: "Internal ops",
    body: "Replace the spreadsheets the team is currently using. CRUD on jobs/customers, simple reports, role-based access, export to accounting.",
  },
];

function ConsBrief({ brief, onChange }) {
  return (
    <>
      <WizardQ
        title="What did they ask for?"
        sub="Paste the brief, or start from a template and edit."
      />
      <Field label="Start from a template" optional>
        <div
          style={{
            display: "flex",
            gap: 8,
            flexWrap: "wrap",
            marginBottom: 12,
          }}
        >
          {BRIEF_TEMPLATES.map((t) => (
            <button
              key={t.id}
              type="button"
              className="preset-chip"
              style={{ padding: "8px 14px", fontSize: 13 }}
              onClick={() => onChange(t.body)}
            >
              {t.label}
            </button>
          ))}
        </div>
      </Field>
      <Field label="Brief">
        <textarea
          className="wiz-input"
          style={{ minHeight: 180, fontSize: 15 }}
          placeholder="The client wants…"
          value={brief}
          onChange={(e) => onChange(e.target.value)}
        />
      </Field>
    </>
  );
}

const SCOPE_GROUPS = [
  {
    label: "Foundations",
    items: [
      "Auth & accounts",
      "Roles & permissions",
      "Database & admin",
      "Hosting & domain",
    ],
  },
  {
    label: "Customer-facing",
    items: [
      "Marketing site",
      "Booking / scheduling",
      "Quote requests",
      "Customer portal",
      "Self-serve forms",
    ],
  },
  {
    label: "Money",
    items: [
      "Stripe / payments",
      "Invoices & receipts",
      "Subscriptions",
      "Refunds & disputes",
    ],
  },
  {
    label: "Ops & Data",
    items: [
      "CSV Import/Export",
      "Email & SMS alerts",
      "Analytics & chart",
      "PDF reporting",
    ],
  },
];

function ConsScope({ scope, onChange }) {
  const toggle = (item: string) => {
    const next = scope.includes(item)
      ? scope.filter((s) => s !== item)
      : [...scope, item];
    onChange(next);
  };

  return (
    <>
      <WizardQ
        title="What modules do they need?"
        sub="Vibn scaffold-seeds only what is checked here. Keep it lean to launch fast."
      />
      <div
        style={{
          display: "grid",
          gridTemplateColumns: "1fr 1fr",
          gap: 20,
        }}
      >
        {SCOPE_GROUPS.map((g) => (
          <div
            key={g.label}
            style={{
              padding: 14,
              borderRadius: 12,
              background: "oklch(0.18 0.009 60 / 0.5)",
              border: "1px solid var(--hairline)",
            }}
          >
            <div
              style={{
                fontSize: 11,
                fontFamily: "var(--font-mono)",
                color: "var(--accent)",
                letterSpacing: "0.08em",
                textTransform: "uppercase",
                marginBottom: 10,
              }}
            >
              {g.label}
            </div>
            <div style={{ display: "flex", flexDirection: "column", gap: 8 }}>
              {g.items.map((item) => {
                const active = scope.includes(item);
                return (
                  <button
                    key={item}
                    type="button"
                    onClick={() => toggle(item)}
                    style={{
                      display: "flex",
                      alignItems: "center",
                      gap: 8,
                      textAlign: "left",
                      color: active ? "var(--fg)" : "var(--fg-dim)",
                      fontSize: 13.5,
                      fontWeight: active ? 500 : 400,
                      cursor: "pointer",
                    }}
                  >
                    <span
                      style={{
                        width: 14,
                        height: 14,
                        borderRadius: 3,
                        border: `1.5px solid ${active ? "var(--accent)" : "var(--hairline-2)"}`,
                        background: active ? "var(--accent)" : "transparent",
                        display: "grid",
                        placeItems: "center",
                        color: "var(--accent-fg)",
                        flexShrink: 0,
                      }}
                    >
                      {active && (
                        <svg
                          width="8"
                          height="8"
                          viewBox="0 0 16 16"
                          fill="none"
                          stroke="currentColor"
                          strokeWidth="3"
                          strokeLinecap="round"
                          strokeLinejoin="round"
                          aria-hidden="true"
                        >
                          <path d="m3 8.5 3.2 3.2L13 5" />
                        </svg>
                      )}
                    </span>
                    <span>{item}</span>
                  </button>
                );
              })}
            </div>
          </div>
        ))}
      </div>
    </>
  );
}

const DEPLOYS = [
  {
    id: "subdomain",
    icon: "🌐",
    label: "A free Vibn subdomain",
    desc: "Deploy immediately to client-name.vibn.app. Fully secured with SSL.",
  },
  {
    id: "custom",
    icon: "🔌",
    label: "Deploy to a custom domain",
    desc: "CNAME to our proxy. SSL certificates provision automatically on DNS point.",
  },
  {
    id: "handover",
    icon: "📦",
    label: "Handover Gitea repo",
    desc: "We push to their Gitea/GitHub. They own their container fleet outright.",
  },
];

function ConsHandoff({ data, onChange }) {
  return (
    <>
      <WizardQ
        title="How will you deliver it?"
        sub="Your contract dictates the target. Vibn configures SSL and DNS routing automatically."
      />
      <PresetGroup
        options={DEPLOYS.map((d) => ({
          id: d.id,
          label: d.label,
          desc: d.desc,
          icon: <span style={{ fontSize: 14 }}>{d.icon}</span>,
        }))}
        value={data.handoff}
        onChange={(v) => onChange({ handoff: v })}
        columns={1}
      />
    </>
  );
}

// ── Path wrapper ───────────────────────────────────────────────────────────
export function ConsultantPath({
  data,
  onUpdate,
  onBack,
  onClose,
  onComplete,
  onJumpToStep,
  step,
}) {
  const next = () => {
    if (step < CONS_TOTAL - 1) onJumpToStep(step + 1);
    else onComplete();
  };
  const back = () => {
    if (step === 0) onBack();
    else onJumpToStep(step - 1);
  };

  let body, canNext;
  if (step === 0) {
    body = (
      <ConsBrief
        brief={data.brief || ""}
        onChange={(v) => onUpdate({ brief: v })}
      />
    );
    canNext = (data.brief || "").trim().length >= 8;
  } else if (step === 1) {
    body = (
      <ConsScope
        scope={data.scope || []}
        onChange={(v) => onUpdate({ scope: v })}
      />
    );
    canNext = (data.scope || []).length >= 2;
  } else {
    body = <ConsHandoff data={data} onChange={onUpdate} />;
    canNext = !!data.handoff;
  }

  // 4 total: fork(1) + 3 path steps
  return (
    <>
      <WizardTop
        onBack={back}
        onClose={onClose}
        lane={LANE_LABELS.consultant}
        stepText={CONS_STEP_NAMES[step]}
        current={step + 2}
        total={4}
      />
      <WizardBody width={step === 1 || step === 2 ? "wide" : null}>
        {body}
        <WizardFooter
          onNext={next}
          canNext={canNext}
          nextLabel={step === CONS_TOTAL - 1 ? "Build →" : "Continue"}
          hint={canNext ? "⌘↵" : null}
        />
      </WizardBody>
    </>
  );
}