import * as plugins from '../../../plugins.js';
import * as shared from '../../shared/index.js';

import {
  DeesElement,
  customElement,
  html,
  state,
  css,
  cssManager,
} from '@design.estate/dees-element';

import * as appstate from '../../../appstate.js';

@customElement('cloudly-view-settings')
export class CloudlyViewSettings extends DeesElement {
  @state()
  private settings: plugins.interfaces.data.ICloudlySettingsMasked = {} as any;

  @state()
  private isLoading = false;

  @state()
  private testResults: {[key: string]: {success: boolean; message: string}} = {};

  constructor() {
    super();
    this.loadSettings();
  }

  public static styles = [
    cssManager.defaultStyles,
    shared.viewHostCss,
    css`
      .settings-container { padding: 24px 0; display: flex; flex-direction: column; gap: 16px; }
      .provider-icon { margin-right: 8px; font-size: 20px; }
      .test-status { display: flex; align-items: center; gap: 12px; margin-bottom: 16px; }
      .test-status dees-button { margin-left: auto; }
      .loading-container { display: flex; justify-content: center; padding: 48px; }
      .actions-container { display: flex; justify-content: center; margin-top: 24px; }
      dees-panel { margin-bottom: 16px; }
      .form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
      .form-grid.single { grid-template-columns: 1fr; }
      @media (max-width: 768px) { .form-grid { grid-template-columns: 1fr; } }
    `,
  ];

  private async loadSettings() {
    this.isLoading = true;
    try {
      const response = await appstate.apiClient.settings.getSettings();
      this.settings = response.settings;
    } catch (error: any) {
      console.error('Failed to load settings:', error);
      plugins.deesCatalog.DeesToast.createAndShow({ message: `Failed to load settings: ${error.message}`, type: 'error' });
    } finally {
      this.isLoading = false;
    }
  }

  private async saveSettings(formData: any) {
    this.isLoading = true;
    try {
      const updates: Partial<plugins.interfaces.data.ICloudlySettings> = {};
      for (const [key, value] of Object.entries(formData)) {
        if (value !== undefined && value !== '****' && !value?.toString().endsWith('****')) {
          updates[key as keyof plugins.interfaces.data.ICloudlySettings] = value as string;
        }
      }
      const response = await appstate.apiClient.settings.updateSettings(updates);
      if (response.success) {
        plugins.deesCatalog.DeesToast.createAndShow({ message: 'Settings saved successfully', type: 'success' });
        await this.loadSettings();
      } else {
        throw new Error(response.message);
      }
    } catch (error: any) {
      console.error('Failed to save settings:', error);
      plugins.deesCatalog.DeesToast.createAndShow({ message: `Failed to save settings: ${error.message}`, type: 'error' });
    } finally {
      this.isLoading = false;
    }
  }

  private async testConnection(provider: string) {
    this.isLoading = true;
    try {
      const response = await appstate.apiClient.settings.testProviderConnection(provider);
      this.testResults = { ...this.testResults, [provider]: { success: response.connectionValid, message: response.message } };
      plugins.deesCatalog.DeesToast.createAndShow({ message: response.message, type: response.connectionValid ? 'success' : 'error' });
    } catch (error: any) {
      this.testResults = { ...this.testResults, [provider]: { success: false, message: `Test failed: ${error.message}` } };
      plugins.deesCatalog.DeesToast.createAndShow({ message: `Connection test failed: ${error.message}`, type: 'error' });
    } finally {
      this.isLoading = false;
    }
  }

  private renderProviderStatus(provider: string) {
    const result = this.testResults[provider];
    if (!result) return '' as any;
    return html`<dees-badge .type=${result.success ? 'success' : 'error'} .text=${result.success ? 'Connected' : 'Failed'}></dees-badge>`;
  }

  public render() {
    if (this.isLoading && Object.keys(this.settings).length === 0) {
      return html`<div class="loading-container"><dees-spinner></dees-spinner></div>`;
    }
    return html`
      <cloudly-sectionheading>Settings</cloudly-sectionheading>
      <div class="settings-container">
        <dees-form @formData=${(e: CustomEvent) => { this.saveSettings((e.detail as any).data); }}>
          <dees-panel .title=${'Hetzner Cloud'} .subtitle=${'Configure Hetzner Cloud API access'} .variant=${'outline'}>
            <div class="test-status">
              ${this.renderProviderStatus('hetzner')}
              <dees-button .text=${'Test Connection'} .type=${'secondary'} @click=${(e: Event) => { e.preventDefault(); e.stopPropagation(); this.testConnection('hetzner'); }}></dees-button>
            </div>
            <div class="form-grid single">
              <dees-input-text .key=${'hetznerToken'} .label=${'API Token'} .value=${this.settings.hetznerToken || ''} .isPasswordBool=${true} .description=${'Your Hetzner Cloud API token for managing infrastructure'} .required=${false}></dees-input-text>
            </div>
          </dees-panel>

          <dees-panel .title=${'Cloudflare'} .subtitle=${'Configure Cloudflare API access'} .variant=${'outline'}>
            <div class="test-status">
              ${this.renderProviderStatus('cloudflare')}
              <dees-button .text=${'Test Connection'} .type=${'secondary'} @click=${(e: Event) => { e.preventDefault(); e.stopPropagation(); this.testConnection('cloudflare'); }}></dees-button>
            </div>
            <div class="form-grid single">
              <dees-input-text .key=${'cloudflareToken'} .label=${'API Token'} .value=${this.settings.cloudflareToken || ''} .isPasswordBool=${true} .description=${'Cloudflare API token with DNS and Zone permissions'} .required=${false}></dees-input-text>
            </div>
          </dees-panel>

          <dees-panel .title=${'Amazon Web Services'} .subtitle=${'Configure AWS credentials'} .variant=${'outline'}>
            <div class="test-status">
              ${this.renderProviderStatus('aws')}
              <dees-button .text=${'Test Connection'} .type=${'secondary'} @click=${(e: Event) => { e.preventDefault(); e.stopPropagation(); this.testConnection('aws'); }}></dees-button>
            </div>
            <div class="form-grid">
              <dees-input-text .key=${'awsAccessKey'} .label=${'Access Key ID'} .value=${this.settings.awsAccessKey || ''} .isPasswordBool=${true} .description=${'AWS IAM access key identifier'} .required=${false}></dees-input-text>
              <dees-input-text .key=${'awsSecretKey'} .label=${'Secret Access Key'} .value=${this.settings.awsSecretKey || ''} .isPasswordBool=${true} .description=${'AWS IAM secret access key'} .required=${false}></dees-input-text>
            </div>
            <div class="form-grid single">
              <dees-input-dropdown .key=${'awsRegion'} .label=${'Default Region'} .selectedOption=${this.settings.awsRegion || 'us-east-1'} .options=${[
                { key: 'us-east-1', option: 'US East (N. Virginia)', payload: null },
                { key: 'us-west-2', option: 'US West (Oregon)', payload: null },
                { key: 'eu-west-1', option: 'EU (Ireland)', payload: null },
                { key: 'eu-central-1', option: 'EU (Frankfurt)', payload: null },
                { key: 'ap-southeast-1', option: 'Asia Pacific (Singapore)', payload: null },
                { key: 'ap-northeast-1', option: 'Asia Pacific (Tokyo)', payload: null },
              ]} .description=${'Default AWS region for resource provisioning'}></dees-input-dropdown>
            </div>
          </dees-panel>

          <dees-panel .title=${'DigitalOcean'} .subtitle=${'Configure DigitalOcean API access'} .variant=${'outline'}>
            <div class="test-status">
              ${this.renderProviderStatus('digitalocean')}
              <dees-button .text=${'Test Connection'} .type=${'secondary'} @click=${(e: Event) => { e.preventDefault(); e.stopPropagation(); this.testConnection('digitalocean'); }}></dees-button>
            </div>
            <div class="form-grid single">
              <dees-input-text .key=${'digitalOceanToken'} .label=${'Personal Access Token'} .value=${this.settings.digitalOceanToken || ''} .isPasswordBool=${true} .description=${'DigitalOcean personal access token with read/write scope'} .required=${false}></dees-input-text>
            </div>
          </dees-panel>

          <dees-panel .title=${'Microsoft Azure'} .subtitle=${'Configure Azure service principal'} .variant=${'outline'}>
            <div class="test-status">
              ${this.renderProviderStatus('azure')}
              <dees-button .text=${'Test Connection'} .type=${'secondary'} @click=${(e: Event) => { e.preventDefault(); e.stopPropagation(); this.testConnection('azure'); }}></dees-button>
            </div>
            <div class="form-grid">
              <dees-input-text .key=${'azureClientId'} .label=${'Application (Client) ID'} .value=${this.settings.azureClientId || ''} .isPasswordBool=${true} .description=${'Azure AD application client ID'} .required=${false}></dees-input-text>
              <dees-input-text .key=${'azureClientSecret'} .label=${'Client Secret'} .value=${this.settings.azureClientSecret || ''} .isPasswordBool=${true} .description=${'Azure AD application client secret'} .required=${false}></dees-input-text>
            </div>
            <div class="form-grid">
              <dees-input-text .key=${'azureTenantId'} .label=${'Directory (Tenant) ID'} .value=${this.settings.azureTenantId || ''} .description=${'Azure AD tenant identifier'} .required=${false}></dees-input-text>
              <dees-input-text .key=${'azureSubscriptionId'} .label=${'Subscription ID'} .value=${this.settings.azureSubscriptionId || ''} .description=${'Azure subscription for resource management'} .required=${false}></dees-input-text>
            </div>
          </dees-panel>

          <dees-panel .title=${'Google Cloud Platform'} .subtitle=${'Configure GCP service account'} .variant=${'outline'}>
            <div class="test-status">
              ${this.renderProviderStatus('google')}
              <dees-button .text=${'Test Connection'} .type=${'secondary'} @click=${(e: Event) => { e.preventDefault(); e.stopPropagation(); this.testConnection('google'); }}></dees-button>
            </div>
            <div class="form-grid single">
              <dees-input-textarea .key=${'googleCloudKeyJson'} .label=${'Service Account Key (JSON)'} .value=${this.settings.googleCloudKeyJson || ''} .isPasswordBool=${true} .description=${'Complete JSON key file for service account authentication'} .required=${false}></dees-input-textarea>
            </div>
            <div class="form-grid single">
              <dees-input-text .key=${'googleCloudProjectId'} .label=${'Project ID'} .value=${this.settings.googleCloudProjectId || ''} .description=${'Google Cloud project identifier'} .required=${false}></dees-input-text>
            </div>
          </dees-panel>

          <div class="actions-container">
            <dees-form-submit .text=${'Save All Settings'} .disabled=${this.isLoading}></dees-form-submit>
          </div>
        </dees-form>
      </div>
    `;
  }
}

declare global {
  interface HTMLElementTagNameMap {
    'cloudly-view-settings': CloudlyViewSettings;
  }
}