import { html, css, type TemplateResult } from '@design.estate/dees-element';
import '@design.estate/dees-catalog/ts_web/elements/00group-utility/dees-icon/dees-icon.js';

export type TWorkspaceView =
  | 'inbox'
  | 'compose'
  | 'sign'
  | 'audit'
  | 'developers'
  | 'templates'
  | 'team'
  | 'settings';

export type TWorkspaceTheme = 'dark' | 'light';
export type TDensity = 'compact' | 'comfortable';
export type TRecipientRole = 'signer' | 'copy' | 'updates';

export interface IDocumentRow {
  id: string;
  title: string;
  status: 'awaiting' | 'signed' | 'draft' | 'declined';
  recipients: Array<{ name: string; initials: string; signed: boolean }>;
  updated: string;
  sender: string;
  pages: number;
  deadline?: string;
}

export interface IRecipient {
  id: number;
  name: string;
  email: string;
  color: string;
  order: number;
  role: TRecipientRole;
}

export interface IFieldPlacement {
  id: string;
  type: 'signature' | 'date' | 'text' | 'initials' | 'check';
  x: number;
  y: number;
  w: number;
  h: number;
  page: number;
  recipient: number;
  label: string;
}

export const demoDocuments: IDocumentRow[] = [
  { id: 'doc_8mK3pL', title: 'Master Services Agreement - Acme Corp', status: 'awaiting', recipients: [{ name: 'Sarah Chen', initials: 'SC', signed: true }, { name: 'David Park', initials: 'DP', signed: false }, { name: 'You', initials: 'PK', signed: true }], updated: '2 min ago', sender: 'You', pages: 14, deadline: 'May 5' },
  { id: 'doc_2nQ7vR', title: 'NDA - Helio Robotics', status: 'signed', recipients: [{ name: 'Marcus Tan', initials: 'MT', signed: true }, { name: 'You', initials: 'PK', signed: true }], updated: '1h ago', sender: 'You', pages: 3 },
  { id: 'doc_5tH1zM', title: 'Series B Term Sheet (Lead) v3', status: 'awaiting', recipients: [{ name: 'Anna Lindqvist', initials: 'AL', signed: false }, { name: 'Roy Banerjee', initials: 'RB', signed: true }, { name: 'You', initials: 'PK', signed: false }], updated: '3h ago', sender: 'Sequoia Counsel', pages: 22, deadline: 'May 3' },
  { id: 'doc_9wB4cX', title: 'Employment Offer - Mira Abebe', status: 'declined', recipients: [{ name: 'Mira Abebe', initials: 'MA', signed: false }, { name: 'You', initials: 'PK', signed: true }], updated: 'yesterday', sender: 'You', pages: 6 },
  { id: 'doc_1jF6kY', title: 'Lease - Berlin office Q3', status: 'draft', recipients: [{ name: 'You', initials: 'PK', signed: false }], updated: 'yesterday', sender: 'You', pages: 11 },
  { id: 'doc_4dN8sP', title: 'API Reseller Agreement - Northwind', status: 'signed', recipients: [{ name: 'Lila Brooks', initials: 'LB', signed: true }, { name: 'You', initials: 'PK', signed: true }], updated: '2 days ago', sender: 'You', pages: 8 },
];

export const demoRecipients: IRecipient[] = [
  { id: 0, name: 'Sarah Chen', email: 'sarah@acme.com', color: '#60a5fa', order: 1, role: 'signer' },
  { id: 1, name: 'David Park', email: 'd.park@acme.com', color: '#fbbf24', order: 2, role: 'signer' },
  { id: 2, name: 'Philipp K.', email: 'philipp@lossless.com', color: '#3b82f6', order: 3, role: 'updates' },
];

export const demoFields: IFieldPlacement[] = [
  { id: 'f1', type: 'signature', x: 60, y: 580, w: 200, h: 50, page: 1, recipient: 0, label: 'Signature' },
  { id: 'f2', type: 'date', x: 320, y: 580, w: 120, h: 30, page: 1, recipient: 0, label: 'Date' },
  { id: 'f3', type: 'text', x: 60, y: 460, w: 280, h: 30, page: 1, recipient: 1, label: 'Full legal name' },
  { id: 'f4', type: 'signature', x: 60, y: 700, w: 200, h: 50, page: 1, recipient: 1, label: 'Counter-signature' },
];

export const workspaceBaseStyles = css`
  :host {
    display: flex;
    flex-direction: column;
    height: 100%;
    min-height: 0;
    color: var(--text);
    background: var(--bg);
    font-family: Geist, Inter, Roboto, -apple-system, BlinkMacSystemFont, sans-serif;
    font-feature-settings: 'cv11', 'tnum', 'cv05' 1;
  }

  * { box-sizing: border-box; }
  button, input, textarea { font: inherit; }
  button { border: 0; cursor: pointer; }
  dees-icon { flex-shrink: 0; }

  .mono {
    font-family: 'Intel One Mono', ui-monospace, SFMono-Regular, Menlo, monospace;
    font-variant-numeric: tabular-nums;
  }

  .topbar {
    height: 56px;
    flex-shrink: 0;
    padding: 0 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    border-bottom: 1px solid var(--border-subtle);
    background: var(--bg);
    gap: 12px;
  }

  .breadcrumb {
    font-size: 11px;
    color: var(--text-muted);
    display: flex;
    align-items: center;
    gap: 5px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
  }

  .top-title {
    display: flex;
    align-items: center;
    gap: 10px;
    min-width: 0;
  }

  .top-title > span:first-child {
    font-family: 'Plus Jakarta Sans', Inter, sans-serif;
    font-size: 18px;
    font-weight: 600;
    letter-spacing: -0.02em;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
  }

  .actions {
    display: flex;
    align-items: center;
    gap: 8px;
    flex-shrink: 0;
  }

  .btn {
    height: 34px;
    padding: 0 14px;
    border-radius: 6px;
    font-size: 13px;
    font-weight: 500;
    letter-spacing: -0.01em;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    white-space: nowrap;
    transition: all 0.12s ease;
  }

  .btn.small {
    height: 28px;
    padding: 0 10px;
    font-size: 12px;
  }

  .btn.primary {
    background: var(--accent);
    color: white;
    border: 1px solid var(--accent);
  }

  .btn.outline {
    background: transparent;
    color: var(--text);
    border: 1px solid var(--border);
  }

  .btn.ghost {
    background: transparent;
    color: var(--text);
    border: 1px solid transparent;
  }

  .btn:hover { background-color: var(--hover); }

  .pill {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    padding: 2px 8px;
    border-radius: 999px;
    background: var(--bg-el);
    color: var(--text-sec);
    font-size: 11px;
    font-weight: 500;
    white-space: nowrap;
  }

  .pill::before {
    content: '';
    width: 5px;
    height: 5px;
    display: none;
    border-radius: 50%;
    background: currentColor;
  }

  .pill.dot::before { display: block; }
  .pill.success { background: rgba(34,197,94,0.12); color: #4ade80; }
  .pill.warning { background: rgba(245,158,11,0.12); color: #fbbf24; }
  .pill.error { background: rgba(239,68,68,0.12); color: #f87171; }
  .pill.info { background: rgba(59,130,246,0.12); color: #60a5fa; }

  .content-scroll {
    flex: 1;
    overflow: auto;
    padding: 24px;
  }

  .card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 8px;
    overflow: hidden;
  }

  .label-upper {
    font-size: 10px;
    font-weight: 600;
    color: var(--text-dim);
    text-transform: uppercase;
    letter-spacing: 0.08em;
    margin-bottom: 10px;
  }

  .avatar {
    width: 26px;
    height: 26px;
    border-radius: 50%;
    background: var(--accent);
    color: white;
    font-size: 11px;
    font-weight: 700;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
  }

  .document-page {
    position: relative;
    width: 600px;
    min-height: 800px;
    background: white;
    border-radius: 4px;
    box-shadow: 0 8px 32px rgba(0,0,0,0.35), 0 0 0 1px rgba(255,255,255,0.05);
    color: hsl(0 0% 20%);
  }

  .fake-document {
    padding: 48px 56px;
    font-size: 11px;
    line-height: 1.7;
  }

  .fake-title {
    font-family: 'Plus Jakarta Sans', Inter, sans-serif;
    font-size: 18px;
    font-weight: 700;
    margin-bottom: 4px;
    color: hsl(0 0% 10%);
  }

  .fake-line {
    height: 6px;
    background: hsl(0 0% 82%);
    margin-bottom: 7px;
    border-radius: 1px;
  }

  .fake-line.heavy { background: hsl(0 0% 65%); }
  .fake-line.short { width: 70%; }

  .field-box {
    position: absolute;
    left: var(--x);
    top: var(--y);
    width: var(--w);
    height: var(--h);
    background: color-mix(in srgb, var(--field-color) 13%, transparent);
    border: 1.5px dashed var(--field-color);
    border-radius: 3px;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 0 8px;
    font-size: 10px;
    font-weight: 500;
    color: var(--field-color);
  }

  .field-box.selected {
    border-style: solid;
    box-shadow: 0 0 0 4px color-mix(in srgb, var(--field-color) 18%, transparent);
  }

  .recipient-line {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 8px 10px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 6px;
    font-size: 12px;
    color: var(--text-sec);
    margin-bottom: 6px;
  }

  .recipient-line.active {
    background: var(--hover);
    border-color: var(--border-strong);
  }

  .progress-track {
    height: 4px;
    background: var(--bg-el);
    flex-shrink: 0;
  }

  .progress-fill {
    height: 100%;
    background: var(--accent);
    transition: width 0.4s ease;
  }

  @keyframes pulse { 0%, 100% { opacity: 1; } 50% { opacity: 0.35; } }

  @media (max-width: 920px) {
    .topbar { padding: 0 16px; }
    .actions { display: none; }
    .content-scroll { padding: 16px; }
  }
`;

export function icon(name: string, size = 14): TemplateResult {
  const iconMap: Record<string, string> = {
    inbox: 'lucide:Inbox', plus: 'lucide:Plus', folder: 'lucide:Folder', shield: 'lucide:Shield', code: 'lucide:Code2',
    user: 'lucide:User', settings: 'lucide:Settings', upload: 'lucide:Upload', file: 'lucide:FileText', sign: 'lucide:PenTool',
    clock: 'lucide:Clock', search: 'lucide:Search', more: 'lucide:MoreHorizontal', send: 'lucide:Send', check: 'lucide:Check',
    eye: 'lucide:Eye', calendar: 'lucide:Calendar', type: 'lucide:Type', download: 'lucide:Download', hash: 'lucide:Hash',
    github: 'lucide:GitBranch', git: 'lucide:GitBranch', server: 'lucide:Server', star: 'lucide:Star', sparkle: 'lucide:Sparkles',
    chevronRight: 'lucide:ChevronRight', chevronDown: 'lucide:ChevronDown', x: 'lucide:X', activity: 'lucide:Activity',
  };
  return html`<dees-icon .icon=${iconMap[name] || iconMap.file} style="font-size: ${size}px;"></dees-icon>`;
}

export function pill(label: string, tone: 'default' | 'success' | 'warning' | 'error' | 'info' = 'default', dot = false): TemplateResult {
  return html`<span class="pill ${tone} ${dot ? 'dot' : ''}">${label}</span>`;
}

export function actionButton(label: string, variant: 'primary' | 'outline' | 'ghost' = 'outline', iconName?: string, onClick?: () => void): TemplateResult {
  return html`<button class="btn ${variant}" @click=${onClick || (() => undefined)}>${iconName ? icon(iconName, 13) : ''}${label}</button>`;
}

export function topBar(config: { breadcrumb: string[]; title: string; subtitle?: TemplateResult; actions?: TemplateResult }): TemplateResult {
  return html`
    <div class="topbar">
      <div style="min-width: 0; flex: 1;">
        <div class="breadcrumb">
          ${config.breadcrumb.map((part, index) => html`${index > 0 ? icon('chevronRight', 10) : ''}<span>${part}</span>`)}
        </div>
        <div class="top-title"><span>${config.title}</span>${config.subtitle || ''}</div>
      </div>
      <div class="actions">${config.actions || ''}</div>
    </div>
  `;
}

export function workspaceDemoFrame(content: TemplateResult, theme: TWorkspaceTheme = 'dark'): TemplateResult {
  const darkVars = `
    --accent: #3b82f6;
    --bg: hsl(0 0% 3.9%);
    --bg-el: hsl(0 0% 6%);
    --bg-card: hsl(0 0% 7%);
    --bg-input: hsl(0 0% 9%);
    --border: hsl(0 0% 14.9%);
    --border-subtle: hsl(0 0% 11%);
    --border-strong: hsl(0 0% 20%);
    --text: hsl(0 0% 98%);
    --text-sec: hsl(0 0% 63.9%);
    --text-muted: hsl(0 0% 48%);
    --text-dim: hsl(0 0% 32%);
    --hover: rgba(255,255,255,0.06);
    --hover-subtle: rgba(255,255,255,0.03);
    --row-hover: rgba(255,255,255,0.025);
    --success: #22c55e;
    --warning: #f59e0b;
    --error: #ef4444;
  `;
  const lightVars = `
    --accent: #3b82f6;
    --bg: hsl(0 0% 99%);
    --bg-el: hsl(0 0% 97%);
    --bg-card: hsl(0 0% 100%);
    --bg-input: hsl(0 0% 98%);
    --border: hsl(0 0% 90%);
    --border-subtle: hsl(0 0% 93%);
    --border-strong: hsl(0 0% 80%);
    --text: hsl(0 0% 9%);
    --text-sec: hsl(0 0% 32%);
    --text-muted: hsl(0 0% 45%);
    --text-dim: hsl(0 0% 62%);
    --hover: rgba(0,0,0,0.04);
    --hover-subtle: rgba(0,0,0,0.02);
    --row-hover: rgba(0,0,0,0.02);
    --success: #16a34a;
    --warning: #d97706;
    --error: #dc2626;
  `;

  return html`<div style="${theme === 'dark' ? darkVars : lightVars} height: 720px; min-height: 720px; background: var(--bg); color: var(--text); overflow: hidden; font-family: Geist, Inter, Roboto, -apple-system, BlinkMacSystemFont, sans-serif;">${content}</div>`;
}

export function fakeDocument(): TemplateResult {
  return html`
    <div class="fake-document">
      <div class="fake-title">Master Services Agreement</div>
      <div class="mono" style="font-size: 10px; color: hsl(0 0% 45%); margin-bottom: 24px;">Effective: May 2, 2026 · Acme Corp ↔ Lossless GmbH</div>
      ${Array.from({ length: 18 }).map((_, index) => html`<div class="fake-line ${index % 5 === 0 ? 'heavy' : ''} ${index % 4 === 3 ? 'short' : ''}"></div>`)}
      <div style="height: 16px;"></div>
      ${Array.from({ length: 8 }).map((_, index) => html`<div class="fake-line ${index % 3 === 2 ? 'short' : ''}"></div>`)}
      <div style="margin-top: 60px; font-size: 10px; font-weight: 600; color: hsl(0 0% 35%);">SIGNED ON BEHALF OF ACME CORP</div>
      <div style="margin-top: 70px; font-size: 10px; font-weight: 600; color: hsl(0 0% 35%);">SIGNED ON BEHALF OF LOSSLESS GMBH</div>
    </div>
  `;
}

export function requestWorkspaceView(element: HTMLElement, view: TWorkspaceView) {
  element.dispatchEvent(new CustomEvent('workspace-view-request', {
    detail: { view },
    bubbles: true,
    composed: true,
  }));
}