import * as plugins from '../../plugins.js';
import {
  customElement,
  DeesElement,
  property,
  html,
  cssManager,
  css,
  state,
  type TemplateResult,
} from '@design.estate/dees-element';

import { accountDesignTokens } from './sharedstyles.js';
import * as accountStateModule from '../../states/accountstate.js';
import { IdpState } from '../../states/idp.state.js';

declare global {
  interface HTMLElementTagNameMap {
    'idp-create-org-modal': CreateOrgModal;
  }
}

@customElement('idp-create-org-modal')
export class CreateOrgModal extends DeesElement {
  @state()
  accessor visible: boolean = false;

  @state()
  accessor orgName: string = '';

  @state()
  accessor orgSlug: string = '';

  @state()
  accessor validating: boolean = false;

  @state()
  accessor validationResult: { available: boolean; message: string } | null = null;

  @state()
  accessor creating: boolean = false;

  @state()
  accessor error: string = '';

  private validationDebounceTimer: any = null;

  public static styles = [
    cssManager.defaultStyles,
    accountDesignTokens,
    css`
      :host {
        display: none;
      }

      :host([visible]) {
        display: block;
      }

      .overlay {
        position: fixed;
        inset: 0;
        background: rgba(0, 0, 0, 0.8);
        display: flex;
        align-items: center;
        justify-content: center;
        z-index: 1000;
        animation: fadeIn 0.15s ease;
      }

      @keyframes fadeIn {
        from {
          opacity: 0;
        }
        to {
          opacity: 1;
        }
      }

      .modal {
        background: #18181b;
        border: 1px solid #27272a;
        border-radius: 16px;
        width: 100%;
        max-width: 480px;
        max-height: 90vh;
        overflow-y: auto;
        animation: slideIn 0.2s ease;
      }

      @keyframes slideIn {
        from {
          opacity: 0;
          transform: translateY(-20px);
        }
        to {
          opacity: 1;
          transform: translateY(0);
        }
      }

      .modal-header {
        padding: 20px 24px;
        border-bottom: 1px solid #27272a;
      }

      .modal-title {
        font-size: 18px;
        font-weight: 600;
        margin: 0 0 4px 0;
        color: #fafafa;
      }

      .modal-description {
        font-size: 14px;
        color: #71717a;
        margin: 0;
      }

      .modal-body {
        padding: 24px;
      }

      .form-group {
        margin-bottom: 20px;
      }

      .form-group:last-child {
        margin-bottom: 0;
      }

      .form-label {
        display: block;
        font-size: 13px;
        font-weight: 500;
        margin-bottom: 8px;
        color: #a1a1aa;
      }

      .form-input {
        width: 100%;
        padding: 10px 14px;
        border-radius: 8px;
        border: 1px solid #27272a;
        background: #0a0a0a;
        color: #fafafa;
        font-size: 14px;
        box-sizing: border-box;
        transition: border-color 0.15s ease;
      }

      .form-input:focus {
        outline: none;
        border-color: #3b82f6;
      }

      .form-input:disabled {
        opacity: 0.5;
        cursor: not-allowed;
      }

      .slug-preview {
        margin-top: 12px;
        padding: 12px 16px;
        background: #0a0a0a;
        border: 1px solid #27272a;
        border-radius: 8px;
      }

      .slug-label {
        font-size: 11px;
        font-weight: 500;
        text-transform: uppercase;
        letter-spacing: 0.05em;
        color: #71717a;
        margin-bottom: 4px;
      }

      .slug-value {
        font-family: 'Geist Mono', monospace;
        font-size: 14px;
        color: #fafafa;
      }

      .validation-status {
        display: flex;
        align-items: center;
        gap: 8px;
        margin-top: 12px;
        padding: 10px 14px;
        border-radius: 8px;
        font-size: 13px;
      }

      .validation-status.validating {
        background: rgba(59, 130, 246, 0.1);
        color: #3b82f6;
      }

      .validation-status.available {
        background: rgba(34, 197, 94, 0.1);
        color: #22c55e;
      }

      .validation-status.unavailable {
        background: rgba(239, 68, 68, 0.1);
        color: #ef4444;
      }

      .validation-status dees-icon {
        font-size: 16px;
      }

      .error-message {
        margin-top: 16px;
        padding: 12px 16px;
        background: rgba(239, 68, 68, 0.1);
        border: 1px solid rgba(239, 68, 68, 0.3);
        border-radius: 8px;
        color: #ef4444;
        font-size: 13px;
      }

      .modal-footer {
        display: flex;
        justify-content: flex-end;
        gap: 12px;
        padding: 16px 24px;
        border-top: 1px solid #27272a;
      }
    `,
  ];

  public render(): TemplateResult {
    if (!this.visible) {
      return html``;
    }

    const canCreate = this.orgName.length > 0 &&
                      this.validationResult?.available &&
                      !this.validating &&
                      !this.creating;

    return html`
      <div class="overlay" @click=${this.handleOverlayClick}>
        <div class="modal" @click=${(e: Event) => e.stopPropagation()}>
          <div class="modal-header">
            <h2 class="modal-title">Create Organization</h2>
            <p class="modal-description">Create a new organization to manage apps, users, and billing.</p>
          </div>
          <div class="modal-body">
            <div class="form-group">
              <label class="form-label">Organization Name</label>
              <input
                type="text"
                class="form-input"
                placeholder="e.g., Acme Inc."
                .value=${this.orgName}
                @input=${this.handleNameInput}
                ?disabled=${this.creating}
              />
            </div>

            ${this.orgSlug ? html`
              <div class="slug-preview">
                <div class="slug-label">Organization URL Slug</div>
                <div class="slug-value">${this.orgSlug}</div>
              </div>
            ` : ''}

            ${this.renderValidationStatus()}

            ${this.error ? html`
              <div class="error-message">${this.error}</div>
            ` : ''}
          </div>
          <div class="modal-footer">
            <dees-button type="secondary" @clicked=${this.handleCancel} ?disabled=${this.creating}>
              Cancel
            </dees-button>
            <dees-button @clicked=${this.handleCreate} ?disabled=${!canCreate} .status=${this.creating ? 'pending' : 'normal'}>
              ${this.creating ? 'Creating...' : 'Create Organization'}
            </dees-button>
          </div>
        </div>
      </div>
    `;
  }

  private renderValidationStatus(): TemplateResult | null {
    if (!this.orgSlug) {
      return null;
    }

    if (this.validating) {
      return html`
        <div class="validation-status validating">
          <dees-icon .icon=${'lucide:loader-2'}></dees-icon>
          Checking availability...
        </div>
      `;
    }

    if (this.validationResult) {
      if (this.validationResult.available) {
        return html`
          <div class="validation-status available">
            <dees-icon .icon=${'lucide:check-circle'}></dees-icon>
            ${this.validationResult.message}
          </div>
        `;
      } else {
        return html`
          <div class="validation-status unavailable">
            <dees-icon .icon=${'lucide:x-circle'}></dees-icon>
            ${this.validationResult.message}
          </div>
        `;
      }
    }

    return null;
  }

  public show() {
    this.orgName = '';
    this.orgSlug = '';
    this.validating = false;
    this.validationResult = null;
    this.creating = false;
    this.error = '';
    this.visible = true;
    this.setAttribute('visible', '');
  }

  public hide() {
    this.visible = false;
    this.removeAttribute('visible');
    if (this.validationDebounceTimer) {
      clearTimeout(this.validationDebounceTimer);
    }
  }

  private handleOverlayClick(e: Event) {
    if ((e.target as HTMLElement).classList.contains('overlay') && !this.creating) {
      this.hide();
    }
  }

  private handleCancel() {
    if (!this.creating) {
      this.hide();
    }
  }

  private handleNameInput(e: Event) {
    const input = e.target as HTMLInputElement;
    this.orgName = input.value;
    this.orgSlug = this.generateSlug(this.orgName);
    this.error = '';

    // Debounce validation
    if (this.validationDebounceTimer) {
      clearTimeout(this.validationDebounceTimer);
    }

    if (this.orgSlug) {
      this.validating = true;
      this.validationResult = null;
      this.validationDebounceTimer = setTimeout(() => {
        this.validateSlug();
      }, 500);
    } else {
      this.validating = false;
      this.validationResult = null;
    }
  }

  private generateSlug(name: string): string {
    return name
      .replace(/[^a-zA-Z0-9\s-]/g, '')
      .replace(/\s+/g, '-')
      .toLowerCase();
  }

  private async validateSlug() {
    if (!this.orgSlug) {
      this.validating = false;
      return;
    }

    try {
      const idpState = await IdpState.getSingletonInstance();
      const result = await idpState.idpClient.createOrganization(
        this.orgName,
        this.orgSlug,
        'checkAvailability'
      );

      this.validationResult = {
        available: result.nameAvailable,
        message: result.nameAvailable
          ? 'This name is available!'
          : 'This name is already taken. Please choose another.',
      };
    } catch (error) {
      console.error('Validation error:', error);
      this.validationResult = {
        available: false,
        message: 'Unable to validate. Please try again.',
      };
    } finally {
      this.validating = false;
    }
  }

  private async handleCreate() {
    if (!this.validationResult?.available || this.creating) {
      return;
    }

    this.creating = true;
    this.error = '';

    try {
      const idpState = await IdpState.getSingletonInstance();
      const result = await idpState.idpClient.createOrganization(
        this.orgName,
        this.orgSlug,
        'manifest'
      );

      // Update state with new organization
      const currentState = accountStateModule.accountState.getState();
      currentState.organizations.push(result.resultingOrganization);
      accountStateModule.accountState.dispatchAction(
        accountStateModule.setSelectedOrg,
        result.resultingOrganization
      );

      this.dispatchEvent(new CustomEvent('org-created', {
        bubbles: true,
        composed: true,
        detail: { org: result.resultingOrganization },
      }));

      this.hide();
    } catch (error) {
      console.error('Error creating organization:', error);
      this.error = error instanceof Error ? error.message : 'Failed to create organization. Please try again.';
    } finally {
      this.creating = false;
    }
  }
}