import { State, AgentMessage } from "../types";
import { LitElement, css, html } from "lit";
import { customElement, property, state } from "lit/decorators.js";
import { formatNumber } from "../utils";

@customElement("sketch-container-status")
export class SketchContainerStatus extends LitElement {
  // Header bar: Container status details

  @property()
  state: State;

  @state()
  showDetails: boolean = false;

  @state()
  lastCommit: { hash: string; pushedBranch?: string } | null = null;

  @state()
  lastCommitCopied: boolean = false;

  // See https://lit.dev/docs/components/styles/ for how lit-element handles CSS.
  // Note that these styles only apply to the scope of this web component's
  // shadow DOM node, so they won't leak out or collide with CSS declared in
  // other components or the containing web page (...unless you want it to do that).
  static styles = css`
    /* Last commit display styling */
    .last-commit {
      display: flex;
      flex-direction: column;
      padding: 3px 8px;
      cursor: pointer;
      position: relative;
      margin: 4px 0;
      transition: color 0.2s ease;
    }

    .last-commit:hover {
      color: #0366d6;
    }

    .last-commit-title {
      color: #666;
      font-family: system-ui, sans-serif;
      font-size: 11px;
      font-weight: 500;
      line-height: 1.2;
    }

    .last-commit-hash {
      font-family: monospace;
      font-size: 12px;
      white-space: nowrap;
      overflow: hidden;
      text-overflow: ellipsis;
    }

    /* Styles for the last commit in main grid */
    .last-commit-column {
      justify-content: flex-start;
    }

    .info-label {
      color: #666;
      font-family: system-ui, sans-serif;
      font-size: 11px;
      font-weight: 500;
    }

    .last-commit-main {
      cursor: pointer;
      position: relative;
      padding-top: 0;
    }

    .last-commit-main:hover {
      color: #0366d6;
    }

    .main-grid-commit {
      font-family: monospace;
      font-size: 12px;
      white-space: nowrap;
      overflow: hidden;
      text-overflow: ellipsis;
    }

    .commit-hash-indicator {
      color: #666;
    }

    .commit-branch-indicator {
      color: #28a745;
    }

    .no-commit-indicator {
      color: #999;
      font-style: italic;
      font-size: 12px;
    }

    .info-container {
      display: flex;
      align-items: center;
      position: relative;
    }

    .info-grid {
      display: flex;
      flex-wrap: wrap;
      gap: 8px;
      background: #f9f9f9;
      border-radius: 4px;
      padding: 4px 10px;
      box-shadow: 0 1px 3px rgba(0, 0, 0, 0.05);
      flex: 1;
    }

    .info-expanded {
      position: absolute;
      top: 100%;
      right: 0;
      z-index: 10;
      min-width: 400px;
      background: white;
      border-radius: 8px;
      padding: 10px 15px;
      box-shadow: 0 6px 16px rgba(0, 0, 0, 0.1);
      margin-top: 5px;
      display: none;
    }

    .info-expanded.active {
      display: block;
    }

    .info-item {
      display: flex;
      align-items: center;
      white-space: nowrap;
      margin-right: 10px;
      font-size: 13px;
    }

    .info-label {
      font-size: 11px;
      color: #555;
      margin-right: 3px;
      font-weight: 500;
    }

    .info-value {
      font-size: 11px;
      font-weight: 600;
      word-break: break-all;
    }

    [title] {
      cursor: default;
    }

    .cost {
      color: #2e7d32;
    }

    .info-item a {
      --tw-text-opacity: 1;
      color: rgb(37 99 235 / var(--tw-text-opacity, 1));
      text-decoration: inherit;
    }

    .info-toggle {
      margin-left: 8px;
      width: 24px;
      height: 24px;
      border-radius: 50%;
      display: flex;
      align-items: center;
      justify-content: center;
      background: #f0f0f0;
      border: 1px solid #ddd;
      cursor: pointer;
      font-weight: bold;
      font-style: italic;
      color: #555;
      transition: all 0.2s ease;
    }

    .info-toggle:hover {
      background: #e0e0e0;
    }

    .info-toggle.active {
      background: #4a90e2;
      color: white;
      border-color: #3a80d2;
    }

    .main-info-grid {
      display: grid;
      grid-template-columns: 1fr 1fr 1fr;
      gap: 10px;
      width: 100%;
    }

    .info-column {
      display: flex;
      flex-direction: column;
      gap: 2px;
    }

    .detailed-info-grid {
      display: grid;
      grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
      gap: 8px;
      margin-top: 10px;
    }

    .ssh-section {
      margin-top: 10px;
      padding-top: 10px;
      border-top: 1px solid #eee;
    }

    .ssh-command {
      display: flex;
      align-items: center;
      margin-bottom: 8px;
      gap: 10px;
    }

    .ssh-command-text {
      font-family: monospace;
      font-size: 12px;
      background: #f5f5f5;
      padding: 4px 8px;
      border-radius: 4px;
      border: 1px solid #e0e0e0;
      flex-grow: 1;
    }

    .copy-button {
      background: #f0f0f0;
      border: 1px solid #ddd;
      border-radius: 4px;
      padding: 3px 6px;
      font-size: 11px;
      cursor: pointer;
      transition: all 0.2s;
    }

    .copy-button:hover {
      background: #e0e0e0;
    }

    .ssh-warning {
      background: #fff3e0;
      border-left: 3px solid #ff9800;
      padding: 8px 12px;
      margin-top: 8px;
      font-size: 12px;
      color: #e65100;
    }

    .vscode-link {
      color: white;
      text-decoration: none;
      background-color: #0066b8;
      padding: 4px 8px;
      border-radius: 4px;
      display: flex;
      align-items: center;
      gap: 6px;
      font-size: 12px;
      transition: all 0.2s ease;
    }

    .vscode-link:hover {
      background-color: #005091;
    }

    .vscode-icon {
      width: 16px;
      height: 16px;
    }

    .github-link {
      color: #2962ff;
      text-decoration: none;
    }

    .github-link:hover {
      text-decoration: underline;
    }
  `;

  constructor() {
    super();
    this._toggleInfoDetails = this._toggleInfoDetails.bind(this);

    // Close the info panel when clicking outside of it
    document.addEventListener("click", (event) => {
      if (this.showDetails && !this.contains(event.target as Node)) {
        this.showDetails = false;
        this.requestUpdate();
      }
    });
  }

  /**
   * Toggle the display of detailed information
   */
  private _toggleInfoDetails(event: Event) {
    event.stopPropagation();
    this.showDetails = !this.showDetails;
    this.requestUpdate();
  }

  /**
   * Update the last commit information based on messages
   */
  public updateLastCommitInfo(newMessages: AgentMessage[]): void {
    if (!newMessages || newMessages.length === 0) return;

    // Process messages in chronological order (latest last)
    for (const message of newMessages) {
      if (
        message.type === "commit" &&
        message.commits &&
        message.commits.length > 0
      ) {
        // Get the first commit from the list
        const commit = message.commits[0];
        if (commit) {
          this.lastCommit = {
            hash: commit.hash,
            pushedBranch: commit.pushed_branch,
          };
          this.lastCommitCopied = false;
        }
      }
    }
  }

  /**
   * Copy commit info to clipboard when clicked
   */
  private copyCommitInfo(event: MouseEvent): void {
    event.preventDefault();
    event.stopPropagation();

    if (!this.lastCommit) return;

    const textToCopy =
      this.lastCommit.pushedBranch || this.lastCommit.hash.substring(0, 8);

    navigator.clipboard
      .writeText(textToCopy)
      .then(() => {
        this.lastCommitCopied = true;
        // Reset the copied state after 2 seconds
        setTimeout(() => {
          this.lastCommitCopied = false;
        }, 2000);
      })
      .catch((err) => {
        console.error("Failed to copy commit info:", err);
      });
  }

  formatHostname() {
    // Only display outside hostname
    const outsideHostname = this.state?.outside_hostname;

    if (!outsideHostname) {
      return this.state?.hostname;
    }

    return outsideHostname;
  }

  formatWorkingDir() {
    // Only display outside working directory
    const outsideWorkingDir = this.state?.outside_working_dir;

    if (!outsideWorkingDir) {
      return this.state?.working_dir;
    }

    return outsideWorkingDir;
  }

  getHostnameTooltip() {
    const outsideHostname = this.state?.outside_hostname;
    const insideHostname = this.state?.inside_hostname;

    if (
      !outsideHostname ||
      !insideHostname ||
      outsideHostname === insideHostname
    ) {
      return "";
    }

    return `Outside: ${outsideHostname}, Inside: ${insideHostname}`;
  }

  getWorkingDirTooltip() {
    const outsideWorkingDir = this.state?.outside_working_dir;
    const insideWorkingDir = this.state?.inside_working_dir;

    if (
      !outsideWorkingDir ||
      !insideWorkingDir ||
      outsideWorkingDir === insideWorkingDir
    ) {
      return "";
    }

    return `Outside: ${outsideWorkingDir}, Inside: ${insideWorkingDir}`;
  }

  // See https://lit.dev/docs/components/lifecycle/
  connectedCallback() {
    super.connectedCallback();
    // register event listeners
  }

  // See https://lit.dev/docs/components/lifecycle/
  disconnectedCallback() {
    super.disconnectedCallback();
    // unregister event listeners
  }

  copyToClipboard(text: string) {
    navigator.clipboard
      .writeText(text)
      .then(() => {
        // Could add a temporary success indicator here
      })
      .catch((err) => {
        console.error("Could not copy text: ", err);
      });
  }

  getSSHHostname() {
    return `sketch-${this.state?.session_id}`;
  }

  // Format GitHub repository URL to org/repo format
  formatGitHubRepo(url) {
    if (!url) return null;

    // Common GitHub URL patterns
    const patterns = [
      // HTTPS URLs
      /https:\/\/github\.com\/([^/]+)\/([^/\s.]+)(?:\.git)?/,
      // SSH URLs
      /git@github\.com:([^/]+)\/([^/\s.]+)(?:\.git)?/,
      // Git protocol
      /git:\/\/github\.com\/([^/]+)\/([^/\s.]+)(?:\.git)?/,
    ];

    for (const pattern of patterns) {
      const match = url.match(pattern);
      if (match) {
        return {
          formatted: `${match[1]}/${match[2]}`,
          url: `https://github.com/${match[1]}/${match[2]}`,
        };
      }
    }

    return null;
  }

  renderSSHSection() {
    // Only show SSH section if we're in a Docker container and have session ID
    if (!this.state?.session_id) {
      return html``;
    }

    const sshHost = this.getSSHHostname();
    const sshCommand = `ssh ${sshHost}`;
    const vscodeCommand = `code --remote ssh-remote+root@${sshHost} /app -n`;
    const vscodeURL = `vscode://vscode-remote/ssh-remote+root@${sshHost}/app?windowId=_blank`;

    if (!this.state?.ssh_available) {
      return html`
        <div class="ssh-section">
          <h3>Connect to Container</h3>
          <div class="ssh-warning">
            SSH connections are not available:
            ${this.state?.ssh_error || "SSH configuration is missing"}
          </div>
        </div>
      `;
    }

    return html`
      <div class="ssh-section">
        <h3>Connect to Container</h3>
        <div class="ssh-command">
          <div class="ssh-command-text">${sshCommand}</div>
          <button
            class="copy-button"
            @click=${() => this.copyToClipboard(sshCommand)}
          >
            Copy
          </button>
        </div>
        <div class="ssh-command">
          <div class="ssh-command-text">${vscodeCommand}</div>
          <button
            class="copy-button"
            @click=${() => this.copyToClipboard(vscodeCommand)}
          >
            Copy
          </button>
        </div>
        <div class="ssh-command">
          <a href="${vscodeURL}" class="vscode-link" title="${vscodeURL}">
            <svg
              class="vscode-icon"
              xmlns="http://www.w3.org/2000/svg"
              viewBox="0 0 24 24"
              fill="none"
              stroke="white"
              stroke-width="2"
              stroke-linecap="round"
              stroke-linejoin="round"
            >
              <path
                d="M16.5 9.4 7.55 4.24a.35.35 0 0 0-.41.01l-1.23.93a.35.35 0 0 0-.14.29v13.04c0 .12.07.23.17.29l1.24.93c.13.1.31.09.43-.01L16.5 14.6l-6.39 4.82c-.16.12-.38.12-.55.01l-1.33-1.01a.35.35 0 0 1-.14-.28V5.88c0-.12.07-.23.18-.29l1.23-.93c.14-.1.32-.1.46 0l6.54 4.92-6.54 4.92c-.14.1-.32.1-.46 0l-1.23-.93a.35.35 0 0 1-.18-.29V5.88c0-.12.07-.23.17-.29l1.33-1.01c.16-.12.39-.11.55.01l6.39 4.81z"
              />
            </svg>
            <span>Open in VSCode</span>
          </a>
        </div>
      </div>
    `;
  }

  render() {
    return html`
      <div class="info-container">
        <!-- Main visible info in two columns - hostname/dir and repo/cost -->
        <div class="main-info-grid">
          <!-- First column: hostname and working dir -->
          <div class="info-column">
            <div class="info-item">
              <span
                id="hostname"
                class="info-value"
                title="${this.getHostnameTooltip()}"
              >
                ${this.formatHostname()}
              </span>
            </div>
            <div class="info-item">
              <span
                id="workingDir"
                class="info-value"
                title="${this.getWorkingDirTooltip()}"
              >
                ${this.formatWorkingDir()}
              </span>
            </div>
          </div>

          <!-- Second column: git repo and cost -->
          <div class="info-column">
            ${this.state?.git_origin
              ? html`
                  <div class="info-item">
                    ${(() => {
                      const github = this.formatGitHubRepo(
                        this.state?.git_origin,
                      );
                      if (github) {
                        return html`
                          <a
                            href="${github.url}"
                            target="_blank"
                            rel="noopener noreferrer"
                            class="github-link"
                            title="${this.state?.git_origin}"
                          >
                            ${github.formatted}
                          </a>
                        `;
                      } else {
                        return html`
                          <span id="gitOrigin" class="info-value"
                            >${this.state?.git_origin}</span
                          >
                        `;
                      }
                    })()}
                  </div>
                `
              : ""}
            <div class="info-item">
              <span id="totalCost" class="info-value cost"
                >$${(this.state?.total_usage?.total_cost_usd || 0).toFixed(
                  2,
                )}</span
              >
            </div>
          </div>

          <!-- Third column: Last Commit -->
          <div class="info-column last-commit-column">
            <div class="info-item">
              <span class="info-label">Last Commit</span>
            </div>
            <div
              class="info-item last-commit-main"
              @click=${(e: MouseEvent) => this.copyCommitInfo(e)}
              title="Click to copy"
            >
              ${this.lastCommitCopied
                ? html`<span class="copied-indicator">Copied!</span>`
                : ""}
              ${this.lastCommit
                ? this.lastCommit.pushedBranch
                  ? html`<span class="commit-branch-indicator main-grid-commit"
                      >${this.lastCommit.pushedBranch}</span
                    >`
                  : html`<span class="commit-hash-indicator main-grid-commit"
                      >${this.lastCommit.hash.substring(0, 8)}</span
                    >`
                : html`<span class="no-commit-indicator">N/A</span>`}
            </div>
          </div>
        </div>

        <!-- Info toggle button -->
        <button
          class="info-toggle ${this.showDetails ? "active" : ""}"
          @click=${this._toggleInfoDetails}
          title="Show/hide details"
        >
          i
        </button>

        <!-- Expanded info panel -->
        <div class="info-expanded ${this.showDetails ? "active" : ""}">
          <!-- Last Commit section moved to main grid -->

          <div class="detailed-info-grid">
            <div class="info-item">
              <span class="info-label">Commit:</span>
              <span id="initialCommit" class="info-value"
                >${this.state?.initial_commit?.substring(0, 8)}</span
              >
            </div>
            <div class="info-item">
              <span class="info-label">Msgs:</span>
              <span id="messageCount" class="info-value"
                >${this.state?.message_count}</span
              >
            </div>
            <div class="info-item">
              <span class="info-label">Session ID:</span>
              <span id="sessionId" class="info-value"
                >${this.state?.session_id || "N/A"}</span
              >
            </div>
            <div class="info-item">
              <span class="info-label">Input tokens:</span>
              <span id="inputTokens" class="info-value"
                >${formatNumber(
                  (this.state?.total_usage?.input_tokens || 0) +
                    (this.state?.total_usage?.cache_read_input_tokens || 0) +
                    (this.state?.total_usage?.cache_creation_input_tokens || 0),
                )}</span
              >
            </div>
            <div class="info-item">
              <span class="info-label">Output tokens:</span>
              <span id="outputTokens" class="info-value"
                >${formatNumber(this.state?.total_usage?.output_tokens)}</span
              >
            </div>
            <div
              class="info-item"
              style="grid-column: 1 / -1; margin-top: 5px; border-top: 1px solid #eee; padding-top: 5px;"
            >
              <a href="logs">Logs</a> (<a href="download">Download</a>)
            </div>
          </div>

          <!-- SSH Connection Information -->
          ${this.renderSSHSection()}
        </div>
      </div>
    `;
  }
}

declare global {
  interface HTMLElementTagNameMap {
    "sketch-container-status": SketchContainerStatus;
  }
}