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

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

@customElement('ops-view-logs')
export class OpsViewLogs extends DeesElement {
  @state()
  accessor logState: appstate.ILogState = {
    recentLogs: [],
    isStreaming: false,
    filters: {},
  };

  @state()
  accessor filterLevel: string | undefined;

  @state()
  accessor filterCategory: string | undefined;

  @state()
  accessor filterLimit: number = 100;

  constructor() {
    super();
    const subscription = appstate.logStatePart
      .select((stateArg) => stateArg)
      .subscribe((logState) => {
        this.logState = logState;
      });
    this.rxSubscriptions.push(subscription);
  }

  public static styles = [
    cssManager.defaultStyles,
    shared.viewHostCss,
    css`
      .controls {
        display: flex;
        gap: 16px;
        margin-bottom: 24px;
        flex-wrap: wrap;
      }

      .filterGroup {
        display: flex;
        align-items: center;
        gap: 8px;
      }

      .logContainer {
        background: ${cssManager.bdTheme('#f8f9fa', '#1e1e1e')};
        border-radius: 8px;
        padding: 16px;
        max-height: 600px;
        overflow-y: auto;
        font-family: 'Consolas', 'Monaco', monospace;
        font-size: 13px;
      }

      .logEntry {
        margin-bottom: 8px;
        line-height: 1.5;
      }

      .logTimestamp {
        color: ${cssManager.bdTheme('#7a7a7a', '#7a7a7a')};
        margin-right: 8px;
      }

      .logLevel {
        font-weight: bold;
        margin-right: 8px;
        padding: 2px 6px;
        border-radius: 3px;
        font-size: 11px;
      }

      .logLevel.debug { 
        color: ${cssManager.bdTheme('#6a9955', '#6a9955')}; 
        background: ${cssManager.bdTheme('rgba(106, 153, 85, 0.1)', 'rgba(106, 153, 85, 0.1)')};
      }
      .logLevel.info { 
        color: ${cssManager.bdTheme('#569cd6', '#569cd6')}; 
        background: ${cssManager.bdTheme('rgba(86, 156, 214, 0.1)', 'rgba(86, 156, 214, 0.1)')};
      }
      .logLevel.warn { 
        color: ${cssManager.bdTheme('#ce9178', '#ce9178')}; 
        background: ${cssManager.bdTheme('rgba(206, 145, 120, 0.1)', 'rgba(206, 145, 120, 0.1)')};
      }
      .logLevel.error { 
        color: ${cssManager.bdTheme('#f44747', '#f44747')}; 
        background: ${cssManager.bdTheme('rgba(244, 71, 71, 0.1)', 'rgba(244, 71, 71, 0.1)')};
      }

      .logCategory {
        color: ${cssManager.bdTheme('#c586c0', '#c586c0')};
        margin-right: 8px;
      }

      .logMessage {
        color: ${cssManager.bdTheme('#333', '#d4d4d4')};
      }

      .noLogs {
        color: ${cssManager.bdTheme('#7a7a7a', '#7a7a7a')};
        text-align: center;
        padding: 40px;
      }
    `,
  ];

  public render() {
    return html`
      <ops-sectionheading>Logs</ops-sectionheading>
      
      <div class="controls">
        <div class="filterGroup">
          <dees-button 
            @click=${() => this.fetchLogs()}
          >
            Refresh Logs
          </dees-button>
          
          <dees-button 
            @click=${() => this.toggleStreaming()}
            .type=${this.logState.isStreaming ? 'highlighted' : 'normal'}
          >
            ${this.logState.isStreaming ? 'Stop Streaming' : 'Start Streaming'}
          </dees-button>
        </div>

        <div class="filterGroup">
          <label>Level:</label>
          <dees-input-dropdown
            .options=${['all', 'debug', 'info', 'warn', 'error']}
            .selectedOption=${'all'}
            @selectedOption=${(e) => this.updateFilter('level', e.detail)}
          ></dees-input-dropdown>
        </div>

        <div class="filterGroup">
          <label>Category:</label>
          <dees-input-dropdown
            .options=${['all', 'smtp', 'dns', 'security', 'system', 'email']}
            .selectedOption=${'all'}
            @selectedOption=${(e) => this.updateFilter('category', e.detail)}
          ></dees-input-dropdown>
        </div>

        <div class="filterGroup">
          <label>Limit:</label>
          <dees-input-dropdown
            .options=${['50', '100', '200', '500']}
            .selectedOption=${'100'}
            @selectedOption=${(e) => this.updateFilter('limit', e.detail)}
          ></dees-input-dropdown>
        </div>
      </div>

      <div class="logContainer">
        ${this.logState.recentLogs.length > 0 ? 
          this.logState.recentLogs.map(log => html`
            <div class="logEntry">
              <span class="logTimestamp">${new Date(log.timestamp).toLocaleTimeString()}</span>
              <span class="logLevel ${log.level}">${log.level.toUpperCase()}</span>
              <span class="logCategory">[${log.category}]</span>
              <span class="logMessage">${log.message}</span>
            </div>
          `) : html`
            <div class="noLogs">No logs to display</div>
          `
        }
      </div>
    `;
  }

  async connectedCallback() {
    super.connectedCallback();
    // Auto-fetch logs when the view mounts
    this.fetchLogs();
  }

  private async fetchLogs() {
    await appstate.logStatePart.dispatchAction(appstate.fetchRecentLogsAction, {
      limit: this.filterLimit,
      level: this.filterLevel as 'debug' | 'info' | 'warn' | 'error' | undefined,
      category: this.filterCategory as 'smtp' | 'dns' | 'security' | 'system' | 'email' | undefined,
    });
  }

  private updateFilter(type: string, value: string) {
    const resolved = value === 'all' ? undefined : value;

    switch (type) {
      case 'level':
        this.filterLevel = resolved;
        break;
      case 'category':
        this.filterCategory = resolved;
        break;
      case 'limit':
        this.filterLimit = resolved ? parseInt(resolved, 10) : 100;
        break;
    }

    this.fetchLogs();
  }

  private getActiveFilters() {
    return {
      level: this.filterLevel,
      category: this.filterCategory,
      limit: this.filterLimit,
    };
  }

  private toggleStreaming() {
    // TODO: Implement log streaming with VirtualStream
    console.log('Streaming toggle not yet implemented');
  }
}