"use client";

import { useState } from "react";
import { useRouter } from "next/navigation";
import { toast } from "sonner";
import { JM } from "./modal-theme";
import { SetupHeader, FieldLabel, TextInput, PrimaryButton, type SetupProps } from "./setup-shared";

export function CodeImportSetup({ workspace, onClose, onBack }: SetupProps) {
  const router = useRouter();
  const [name, setName] = useState("");
  const [repoUrl, setRepoUrl] = useState("");
  const [pat, setPat] = useState("");
  const [loading, setLoading] = useState(false);

  const isValidUrl = repoUrl.trim().startsWith("http");
  const canCreate = name.trim().length > 0 && isValidUrl;

  const handleCreate = async () => {
    if (!canCreate) return;
    setLoading(true);
    try {
      const res = await fetch("/api/projects/create", {
        method: "POST",
        headers: { "Content-Type": "application/json" },
        body: JSON.stringify({
          projectName: name.trim(),
          projectType: "web-app",
          slug: name.toLowerCase().replace(/[^a-z0-9]+/g, "-"),
          product: { name: name.trim() },
          creationMode: "code-import",
          sourceData: { repoUrl: repoUrl.trim(), pat: pat.trim() || undefined },
        }),
      });
      if (!res.ok) {
        const err = await res.json();
        toast.error(err.error || "Failed to create project");
        return;
      }
      const data = await res.json();
      onClose();
      router.push(`/${workspace}/project/${data.projectId}/overview`);
    } catch {
      toast.error("Something went wrong");
    } finally {
      setLoading(false);
    }
  };

  return (
    <div style={{ padding: 28 }}>
      <SetupHeader
        icon="⌘" label="Import Code" tagline="Already have a repo"
        accent="#1D4ED8" onBack={onBack} onClose={onClose}
      />

      <FieldLabel>Project name</FieldLabel>
      <TextInput
        value={name}
        onChange={setName}
        placeholder="What is this project called?"
        autoFocus
      />

      <FieldLabel>Repository URL</FieldLabel>
      <TextInput
        value={repoUrl}
        onChange={setRepoUrl}
        placeholder="https://github.com/yourorg/your-repo"
      />

      <FieldLabel>
        Personal Access Token{" "}
        <span style={{ color: JM.muted, fontWeight: 400 }}>(required for private repos)</span>
      </FieldLabel>
      <input
        type="password"
        value={pat}
        onChange={e => setPat(e.target.value)}
        placeholder="ghp_… or similar"
        style={{
          width: "100%", padding: "10px 13px", marginBottom: 20,
          borderRadius: 8, border: `1px solid ${JM.border}`,
          background: JM.inputBg, fontSize: 14,
          fontFamily: JM.fontSans, color: JM.ink,
          outline: "none", boxSizing: "border-box",
        }}
        onFocus={e => (e.currentTarget.style.borderColor = JM.indigo)}
        onBlur={e => (e.currentTarget.style.borderColor = JM.border)}
      />

      <div style={{
        fontSize: 12, color: JM.mid, marginBottom: 20, lineHeight: 1.5,
        padding: "12px 14px", background: JM.cream, borderRadius: 8,
        border: `1px solid ${JM.border}`, fontFamily: JM.fontSans,
      }}>
        Vibn will clone your repo, read key files, and build a full architecture map — tech stack, routes, database, auth, and third-party integrations. Tokens are used only for cloning and are not stored.
      </div>

      <PrimaryButton onClick={handleCreate} disabled={!canCreate} loading={loading}>
        Import & map →
      </PrimaryButton>
    </div>
  );
}
