{% extends "base.html" %}
{% block title %}New Project - FC CI{% endblock %}
{% block auth %}
{% if !auth_name.is_empty() %}
<span class="auth-user">{{ auth_name }}</span>
<form method="POST" action="/logout"><button type="submit">Logout</button></form>
{% else %}
<a href="/login">Login</a>
{% endif %}
{% endblock %}
{% block breadcrumbs %}
<nav class="breadcrumbs">
  <a href="/">Home</a> <span class="sep">/</span>
  <a href="/projects">Projects</a> <span class="sep">/</span>
  <span class="current">New Project</span>
</nav>
{% endblock %}
{% block content %}
<div id="wizard">
<h1>New Project Setup</h1>
  <!-- Step 1: Enter URL -->
  <div id="step-1" class="wizard-step">
    <h2>Step 1: Repository URL</h2>
    <div class="form-card form-card-wide">
      <div class="form-group">
        <label for="probe-url">Flake repository URL</label>
        <input type="url" id="probe-url" placeholder="https://github.com/user/repo" required>
      </div>
      <button class="btn" id="probe-btn" onclick="probeRepo()">Probe Repository</button>
      <div id="probe-status" class="form-status"></div>
    </div>
  </div>

  <!-- Step 2: Review outputs -->
  <div id="step-2" class="wizard-step" hidden>
    <h2>Step 2: Select Jobsets</h2>
    <p class="wizard-hint">Select which outputs to build. You can customise the Nix expression for each.</p>
    <div id="outputs-list"></div>
    <div class="wizard-actions">
      <button class="btn" onclick="goToStep(3)">Continue</button>
      <button class="btn btn-outline" onclick="goToStep(1)">Back</button>
    </div>
  </div>

  <!-- Step 3: Name & describe -->
  <div id="step-3" class="wizard-step" hidden>
    <h2>Step 3: Project Details</h2>
    <div class="form-card form-card-wide">
      <div class="form-group">
        <label for="project-name">Project Name</label>
        <input type="text" id="project-name" required>
      </div>
      <div class="form-group">
        <label for="project-desc">Description</label>
        <textarea id="project-desc"></textarea>
      </div>
      <div class="wizard-actions">
        <button class="btn" onclick="goToStep(4)">Review</button>
        <button class="btn btn-outline" onclick="goToStep(2)">Back</button>
      </div>
    </div>
  </div>

  <!-- Step 4: Confirm -->
  <div id="step-4" class="wizard-step" hidden>
    <h2>Step 4: Confirm &amp; Create</h2>
    <div class="form-card form-card-wide">
      <dl class="detail-grid" id="summary-grid"></dl>
      <h3>Selected Jobsets</h3>
      <div id="summary-jobsets"></div>
      <div class="wizard-actions">
        <button class="btn" id="create-btn" onclick="createProject()">Create Project</button>
        <button class="btn btn-outline" onclick="goToStep(3)">Back</button>
      </div>
      <div id="create-status" class="form-status"></div>
    </div>
  </div>
</div>
{% endblock %}
{% block scripts %}
<script>
let probeResult = null;

function showSpinner(el, msg) {
  el.innerHTML = '<span class="spinner"></span><span class="text-muted">' + escapeHtml(msg) + '</span>';
}

function goToStep(n) {
  document.querySelectorAll('.wizard-step').forEach(s => s.hidden = true);
  document.getElementById('step-' + n).hidden = false;
  if (n === 4) buildSummary();
}

async function probeRepo() {
  const url = document.getElementById('probe-url').value.trim();
  if (!url) return;
  const status = document.getElementById('probe-status');
  const btn = document.getElementById('probe-btn');
  btn.disabled = true;
  showSpinner(status, 'Probing repository\u2026 This may take a moment.');

  try {
    const resp = await fetch('/api/v1/projects/probe', {
      method: 'POST',
      headers: {'Content-Type': 'application/json'},
      body: JSON.stringify({ repository_url: url }),
    });
    if (!resp.ok) {
      const err = await resp.json().catch(() => ({ error: resp.statusText }));
      throw new Error(err.error || err.message || 'Probe failed');
    }
    probeResult = await resp.json();

    if (!probeResult.is_flake) {
      showError(status, probeResult.error || 'Not a flake repository');
      btn.disabled = false;
      return;
    }

    renderOutputs();

    // Pre-fill name from URL
    const parts = url.replace(/\.git$/, '').split('/');
    document.getElementById('project-name').value = parts[parts.length - 1] || '';
    if (probeResult.metadata && probeResult.metadata.description) {
      document.getElementById('project-desc').value = probeResult.metadata.description;
    }

    goToStep(2);
  } catch (e) {
    showError(status, e.message);
  } finally {
    btn.disabled = false;
  }
}

function renderOutputs() {
  const list = document.getElementById('outputs-list');
  if (!probeResult || !probeResult.suggested_jobsets.length) {
    list.innerHTML = '<div class="empty">No buildable outputs detected.</div>';
    return;
  }

  let html = '<div class="table-wrap"><table><thead><tr><th></th><th>Name</th><th>Expression</th><th>Description</th><th>Priority</th></tr></thead><tbody>';
  probeResult.suggested_jobsets.forEach((js, i) => {
    const checked = js.priority >= 6 ? 'checked' : '';
    html += '<tr>'
      + '<td><input type="checkbox" class="js-check" data-idx="' + i + '" ' + checked + '></td>'
      + '<td>' + escapeHtml(js.name) + '</td>'
      + '<td><input type="text" class="js-expr" data-idx="' + i + '" value="' + escapeHtml(js.nix_expression) + '" class="inline-input"></td>'
      + '<td class="text-muted text-sm">' + escapeHtml(js.description) + '</td>'
      + '<td class="text-center">' + js.priority + '</td>'
      + '</tr>';
  });
  html += '</tbody></table></div>';

  if (probeResult.outputs.length) {
    html += '<details class="outputs-detail"><summary>All detected outputs (' + probeResult.outputs.length + ')</summary><ul class="outputs-list">';
    probeResult.outputs.forEach(o => {
      html += '<li><strong>' + escapeHtml(o.path) + '</strong> (' + escapeHtml(o.output_type) + ')';
      if (o.systems.length) html += ' \u2014 ' + o.systems.map(escapeHtml).join(', ');
      html += '</li>';
    });
    html += '</ul></details>';
  }

  list.innerHTML = html;
}

function getSelectedJobsets() {
  const jobsets = [];
  document.querySelectorAll('.js-check:checked').forEach(cb => {
    const idx = parseInt(cb.dataset.idx);
    const js = probeResult.suggested_jobsets[idx];
    const exprInput = document.querySelector('.js-expr[data-idx="' + idx + '"]');
    jobsets.push({
      name: js.name,
      nix_expression: exprInput ? exprInput.value : js.nix_expression,
      description: js.description,
    });
  });
  return jobsets;
}

function buildSummary() {
  const name = document.getElementById('project-name').value;
  const desc = document.getElementById('project-desc').value;
  const url = document.getElementById('probe-url').value;
  const grid = document.getElementById('summary-grid');
  grid.innerHTML = '<dt>Name</dt><dd>' + escapeHtml(name) + '</dd>'
    + '<dt>Repository</dt><dd>' + escapeHtml(url) + '</dd>'
    + '<dt>Description</dt><dd>' + escapeHtml(desc || '(none)') + '</dd>';

  const jobsets = getSelectedJobsets();
  const jsList = document.getElementById('summary-jobsets');
  if (!jobsets.length) {
    jsList.innerHTML = '<div class="empty">No jobsets selected.</div>';
  } else {
    let html = '<div class="table-wrap"><table><thead><tr><th>Name</th><th>Expression</th></tr></thead><tbody>';
    jobsets.forEach(js => {
      html += '<tr><td>' + escapeHtml(js.name) + '</td><td><code>' + escapeHtml(js.nix_expression) + '</code></td></tr>';
    });
    html += '</tbody></table></div>';
    jsList.innerHTML = html;
  }
}

async function createProject() {
  const status = document.getElementById('create-status');
  const btn = document.getElementById('create-btn');
  btn.disabled = true;
  showSpinner(status, 'Creating project\u2026');

  const name = document.getElementById('project-name').value.trim();
  const desc = document.getElementById('project-desc').value.trim();
  const url = document.getElementById('probe-url').value.trim();
  const jobsets = getSelectedJobsets();

  if (!name) {
    showError(status, 'Project name is required');
    btn.disabled = false;
    return;
  }

  try {
    const resp = await fetch('/api/v1/projects/setup', {
      method: 'POST',
      headers: {'Content-Type': 'application/json'},
      body: JSON.stringify({
        repository_url: url,
        name: name,
        description: desc || null,
        jobsets: jobsets,
      }),
    });
    if (!resp.ok) {
      const err = await resp.json().catch(() => ({ error: resp.statusText }));
      throw new Error(err.error || err.message || 'Failed to create project');
    }
    const data = await resp.json();
    status.innerHTML = '<div class="flash-message flash-success">Project created successfully!</div>';
    setTimeout(() => { window.location.href = '/project/' + data.project.id; }, 1000);
  } catch (e) {
    showError(status, e.message);
    btn.disabled = false;
  }
}
</script>
{% endblock %}