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

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

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

@customElement('cloudly-view-deployments')
export class CloudlyViewDeployments extends DeesElement {
  @state()
  private data: appstate.IDataState = {};

  constructor() {
    super();
    const subscription = appstate.dataState
      .select((stateArg) => stateArg)
      .subscribe((dataArg) => {
        this.data = dataArg;
      });
    this.rxSubscriptions.push(subscription);
  }

  public static styles = [
    cssManager.defaultStyles,
    shared.viewHostCss,
    css`
      .status-badge {
        padding: 2px 8px;
        border-radius: 4px;
        font-size: 0.85em;
        font-weight: 500;
      }
      .status-running {
        background: #4caf50;
        color: white;
      }
      .status-stopped {
        background: #f44336;
        color: white;
      }
      .status-paused {
        background: #ff9800;
        color: white;
      }
      .status-deploying {
        background: #2196f3;
        color: white;
      }
      .health-indicator {
        display: inline-flex;
        align-items: center;
        gap: 4px;
        padding: 2px 8px;
        border-radius: 4px;
        font-size: 0.85em;
      }
      .health-healthy {
        background: #e8f5e9;
        color: #2e7d32;
      }
      .health-unhealthy {
        background: #ffebee;
        color: #c62828;
      }
      .health-unknown {
        background: #f5f5f5;
        color: #666;
      }
      .resource-usage {
        display: flex;
        gap: 12px;
        font-size: 0.9em;
        color: #888;
      }
      .resource-item {
        display: flex;
        align-items: center;
        gap: 4px;
      }
    `,
  ];

  private getServiceName(serviceId: string): string {
    const service = this.data.services?.find(s => s.id === serviceId);
    return service?.data?.name || serviceId;
  }

  private getNodeName(nodeId: string): string {
    // This would ideally look up the cluster node name
    // For now just return the ID shortened
    return nodeId.substring(0, 8);
  }

  private getStatusBadgeHtml(status: string): any {
    const className = `status-badge status-${status}`;
    return html`<span class="${className}">${status}</span>`;
  }

  private getHealthIndicatorHtml(health?: string): any {
    if (!health) health = 'unknown';
    const className = `health-indicator health-${health}`;
    const icon = health === 'healthy' ? '✓' : health === 'unhealthy' ? '✗' : '?';
    return html`<span class="${className}">${icon} ${health}</span>`;
  }

  private getResourceUsageHtml(deployment: plugins.interfaces.data.IDeployment): any {
    if (!deployment.resourceUsage) {
      return html`<span style="color: #aaa;">N/A</span>`;
    }
    const { cpuUsagePercent, memoryUsedMB } = deployment.resourceUsage;
    return html`
      <div class="resource-usage">
        <div class="resource-item">
          <lucide-icon name="Cpu" size="14"></lucide-icon>
          ${cpuUsagePercent?.toFixed(1) || 0}%
        </div>
        <div class="resource-item">
          <lucide-icon name="MemoryStick" size="14"></lucide-icon>
          ${memoryUsedMB || 0} MB
        </div>
      </div>
    `;
  }

  public render() {
    return html`
      <cloudly-sectionheading>Deployments</cloudly-sectionheading>
      <dees-table
        .heading1=${'Deployments'}
        .heading2=${'Service deployments running on cluster nodes'}
        .data=${this.data.deployments || []}
        .displayFunction=${(itemArg: plugins.interfaces.data.IDeployment) => {
          return {
            Service: this.getServiceName(itemArg.serviceId),
            Node: this.getNodeName(itemArg.nodeId),
            Status: this.getStatusBadgeHtml(itemArg.status),
            Health: this.getHealthIndicatorHtml(itemArg.healthStatus),
            'Container ID': itemArg.containerId ? 
              html`<span style="font-family: monospace; font-size: 0.9em;">${itemArg.containerId.substring(0, 12)}</span>` : 
              html`<span style="color: #aaa;">N/A</span>`,
            Version: itemArg.version || 'latest',
            'Resource Usage': this.getResourceUsageHtml(itemArg),
            'Last Updated': itemArg.deployedAt ? 
              new Date(itemArg.deployedAt).toLocaleString() : 
              'Never',
          };
        }}
        .dataActions=${[
          {
            name: 'Deploy Service',
            iconName: 'plus',
            type: ['header', 'footer'],
            actionFunc: async (dataActionArg) => {
              const availableServices = this.data.services || [];
              if (availableServices.length === 0) {
                plugins.deesCatalog.DeesModal.createAndShow({
                  heading: 'No Services Available',
                  content: html`
                    <div style="text-align: center; padding: 24px;">
                      <lucide-icon name="AlertCircle" size="48" style="color: #ff9800; margin-bottom: 16px;"></lucide-icon>
                      <div>Please create a service first before creating deployments.</div>
                    </div>
                  `,
                  menuOptions: [
                    {
                      name: 'OK',
                      action: async (modalArg) => {
                        await modalArg.destroy();
                      },
                    },
                  ],
                });
                return;
              }

              const modal = await plugins.deesCatalog.DeesModal.createAndShow({
                heading: 'Deploy Service',
                content: html`
                  <dees-form>
                    <dees-input-dropdown 
                      .key=${'serviceId'} 
                      .label=${'Service'} 
                      .options=${availableServices.map(s => ({ key: s.id, value: s.data.name }))}
                      .required=${true}>
                    </dees-input-dropdown>
                    <dees-input-text 
                      .key=${'nodeId'} 
                      .label=${'Target Node ID'} 
                      .required=${true}
                      .description=${'Enter the cluster node ID where this service should be deployed'}>
                    </dees-input-text>
                    <dees-input-text 
                      .key=${'version'} 
                      .label=${'Version'} 
                      .value=${'latest'}
                      .required=${true}>
                    </dees-input-text>
                    <dees-input-dropdown 
                      .key=${'status'} 
                      .label=${'Initial Status'} 
                      .options=${['deploying', 'running']}
                      .value=${'deploying'}
                      .required=${true}>
                    </dees-input-dropdown>
                  </dees-form>
                `,
                menuOptions: [
                  {
                    name: 'Deploy',
                    action: async (modalArg) => {
                      const form = modalArg.shadowRoot.querySelector('dees-form') as any;
                      const formData = await form.gatherData();
                      
                      await appstate.dataState.dispatchAction(appstate.createDeploymentAction, {
                        deploymentData: {
                          serviceId: formData.serviceId,
                          nodeId: formData.nodeId,
                          status: formData.status,
                          version: formData.version,
                          deployedAt: Date.now(),
                          usedImageId: 'placeholder', // This would come from the service
                          deploymentLog: [],
                        },
                      });
                      
                      await modalArg.destroy();
                    },
                  },
                  {
                    name: 'Cancel',
                    action: async (modalArg) => {
                      modalArg.destroy();
                    },
                  },
                ],
              });
            },
          },
          {
            name: 'Restart',
            iconName: 'refresh-cw',
            type: ['contextmenu', 'inRow'],
            actionFunc: async (actionDataArg) => {
              const deployment = actionDataArg.item as plugins.interfaces.data.IDeployment;
              plugins.deesCatalog.DeesModal.createAndShow({
                heading: `Restart Deployment`,
                content: html`
                  <div style="text-align:center">
                    Are you sure you want to restart this deployment?
                  </div>
                  <div style="margin-top: 16px; padding: 16px; background: #333; border-radius: 8px;">
                    <div style="color: #fff; font-weight: bold;">
                      ${this.getServiceName(deployment.serviceId)}
                    </div>
                    <div style="color: #aaa; font-size: 0.9em; margin-top: 4px;">
                      Node: ${this.getNodeName(deployment.nodeId)}
                    </div>
                  </div>
                `,
                menuOptions: [
                  {
                    name: 'Cancel',
                    action: async (modalArg) => {
                      await modalArg.destroy();
                    },
                  },
                  {
                    name: 'Restart',
                    action: async (modalArg) => {
                      // TODO: Implement restart action
                      console.log('Restart deployment:', deployment);
                      await modalArg.destroy();
                    },
                  },
                ],
              });
            },
          },
          {
            name: 'Stop',
            iconName: 'square',
            type: ['contextmenu', 'inRow'],
            actionFunc: async (actionDataArg) => {
              const deployment = actionDataArg.item as plugins.interfaces.data.IDeployment;
              await appstate.dataState.dispatchAction(appstate.updateDeploymentAction, {
                deploymentId: deployment.id,
                deploymentData: {
                  ...deployment,
                  status: 'stopped',
                },
              });
            },
          },
          {
            name: 'Delete',
            iconName: 'trash',
            type: ['contextmenu', 'inRow'],
            actionFunc: async (actionDataArg) => {
              const deployment = actionDataArg.item as plugins.interfaces.data.IDeployment;
              plugins.deesCatalog.DeesModal.createAndShow({
                heading: `Delete Deployment`,
                content: html`
                  <div style="text-align:center">
                    Are you sure you want to delete this deployment?
                  </div>
                  <div style="margin-top: 16px; padding: 16px; background: #333; border-radius: 8px;">
                    <div style="color: #fff; font-weight: bold;">
                      ${this.getServiceName(deployment.serviceId)}
                    </div>
                    <div style="color: #aaa; font-size: 0.9em; margin-top: 4px;">
                      Node: ${this.getNodeName(deployment.nodeId)}
                    </div>
                    <div style="color: #f44336; margin-top: 8px;">
                      This action cannot be undone.
                    </div>
                  </div>
                `,
                menuOptions: [
                  {
                    name: 'Cancel',
                    action: async (modalArg) => {
                      await modalArg.destroy();
                    },
                  },
                  {
                    name: 'Delete',
                    action: async (modalArg) => {
                      await appstate.dataState.dispatchAction(appstate.deleteDeploymentAction, {
                        deploymentId: deployment.id,
                      });
                      await modalArg.destroy();
                    },
                  },
                ],
              });
            },
          },
        ] as plugins.deesCatalog.ITableAction[]}
      ></dees-table>
    `;
  }
}