var workspaceFormState = {
  selectedColor: '#0d9488',
  slugManual: false,
  isCreateMode: false,
  formDirty: false,
  workspaceId: null,
  workspaceRecord: null,
};
function tKey(key) {
  return typeof t === 'function' ? t(key) : key;
}

function normalizeSlug(value) {
  return value
    .toLowerCase()
    .replace(/[^a-z0-9-]/g, '')
    .replace(/-+/g, '-')
    .replace(/^-|-$/g, '');
}

function setFormDirty(value) {
  workspaceFormState.formDirty = value;
}

function formElements() {
  return {
    name: document.getElementById('ws-name'),
    slug: document.getElementById('ws-slug'),
    desc: document.getElementById('ws-desc'),
    submit: document.getElementById('submit-btn'),
    avatar: document.getElementById('ws-avatar-preview'),
  };
}

function workspacePayload() {
  var elements = formElements();
  return {
    slug: elements.slug.value.trim(),
    display_name: elements.name.value.trim(),
    settings: {
      description: elements.desc.value.trim(),
      color: workspaceFormState.selectedColor,
    },
  };
}

function applyWorkspaceRecord(record) {
  var workspace = record.workspace;
  var settings = workspace.settings || {};
  var elements = formElements();

  workspaceFormState.workspaceId = workspace.id;
  workspaceFormState.workspaceRecord = record;
  workspaceFormState.selectedColor = settings.color || '#0d9488';
  workspaceFormState.slugManual = true;

  elements.name.value = workspace.display_name || '';
  elements.slug.value = workspace.slug || '';
  elements.desc.value = settings.description || '';
  elements.avatar.textContent = (workspace.display_name || workspace.slug || '?').charAt(0).toUpperCase();
  elements.avatar.style.background = workspaceFormState.selectedColor;

  document.querySelectorAll('.ws-color-swatch').forEach(function (swatch) {
    swatch.classList.toggle('active', swatch.dataset.color === workspaceFormState.selectedColor);
  });

  setFormDirty(false);
}

function updatePageMode() {
  var params = new URLSearchParams(window.location.search);
  workspaceFormState.isCreateMode = params.get('mode') === 'create';
  if (workspaceFormState.isCreateMode) {
    window.location.replace((window.CrankRoutes && window.CrankRoutes.workspaceSetup) || '/workspace-setup');
    return;
  }

  var submit = document.getElementById('submit-btn');
  var footerNote = document.getElementById('footer-note');
  if (footerNote) {
    footerNote.hidden = true;
  }
  var dangerSection = document.getElementById('section-danger');
  if (dangerSection) {
    dangerSection.hidden = false;
  }
  submit.textContent = tKey('workspace_setup.actions.save');
  submit.classList.remove('is-disabled');
}

function onWsNameInput(value) {
  var elements = formElements();
  var normalized = value.trim();
  elements.avatar.textContent = normalized ? normalized.charAt(0).toUpperCase() : '?';
  if (!workspaceFormState.slugManual) {
    elements.slug.value = normalizeSlug(value);
  }
  if (workspaceFormState.isCreateMode) {
    validateCreateForm();
  }
  setFormDirty(true);
}

function onWsSlugInput(value) {
  formElements().slug.value = normalizeSlug(value);
  workspaceFormState.slugManual = true;
  if (workspaceFormState.isCreateMode) {
    validateCreateForm();
  }
  setFormDirty(true);
}

function pickColor(element) {
  workspaceFormState.selectedColor = element.dataset.color;
  document.querySelectorAll('.ws-color-swatch').forEach(function (swatch) {
    swatch.classList.remove('active');
  });
  element.classList.add('active');
  formElements().avatar.style.background = workspaceFormState.selectedColor;
  setFormDirty(true);
}

function validateCreateForm() {
  var elements = formElements();
  var valid = Boolean(elements.name.value.trim() && elements.slug.value.trim());
  elements.submit.disabled = !valid;
  elements.submit.classList.toggle('is-disabled', !valid);
}

async function submitForm() {
  var payload = workspacePayload();
  if (!payload.display_name || !payload.slug || !window.CrankApi) {
    return;
  }

  var submit = document.getElementById('submit-btn');
  var originalLabel = submit.textContent;
  submit.disabled = true;
  submit.textContent = workspaceFormState.isCreateMode ? tKey('workspace_setup.saving_create') : tKey('workspace_setup.saving_update');

  try {
    var response = await window.CrankApi.updateWorkspace(workspaceFormState.workspaceId, payload);

    var record = response && response.workspace ? response : { workspace: response.workspace || response };
    var workspace = record.workspace;

    var workspaces = await window.refreshWorkspaces();
    var mapped = workspaces.find(function (item) { return item.id === workspace.id; }) || {
      id: workspace.id,
      slug: workspace.slug,
      name: workspace.display_name,
      role: tKey('workspace_setup.role.owner'),
      letter: (workspace.display_name || workspace.slug).charAt(0).toUpperCase(),
      color: payload.settings.color || '#0d9488',
      status: workspace.status,
      settings: payload.settings,
    };

    await window.setCurrentWorkspace(mapped);
    workspaceFormState.workspaceId = workspace.id;
    workspaceFormState.workspaceRecord = { workspace: workspace };
    setFormDirty(false);

    applyWorkspaceRecord({ workspace: workspace });
    submit.textContent = tKey('workspace_setup.saved');
    setTimeout(function () {
      submit.textContent = originalLabel;
      submit.disabled = false;
    }, 1400);
  } catch (error) {
    if (window.CrankUi) {
      window.CrankUi.error(error.message || tKey('workspace_setup.save_error'), tKey('workspace_setup.save_error_title'));
    }
    submit.disabled = false;
    submit.textContent = originalLabel;
  }
}

function downloadJsonFile(fileName, value) {
  var blob = new Blob([JSON.stringify(value, null, 2)], { type: 'application/json;charset=utf-8' });
  var url = URL.createObjectURL(blob);
  var link = document.createElement('a');
  link.href = url;
  link.download = fileName;
  link.click();
  URL.revokeObjectURL(url);
}

async function exportWorkspaceSnapshot() {
  if (!workspaceFormState.workspaceId || !window.CrankApi) {
    return;
  }

  try {
    var snapshot = await window.CrankApi.exportWorkspace(workspaceFormState.workspaceId);
    var slug = workspaceFormState.workspaceRecord && workspaceFormState.workspaceRecord.workspace
      ? workspaceFormState.workspaceRecord.workspace.slug
      : tKey('settings.nav.workspace');
    downloadJsonFile(slug + '-snapshot.json', snapshot);
  } catch (error) {
    if (window.CrankUi) {
      window.CrankUi.error(error.message || tKey('workspace_setup.export_error'), tKey('workspace_setup.export_error_title'));
    }
  }
}

async function initPage() {
  updatePageMode();

  document.querySelectorAll('.ws-color-swatch').forEach(function(swatch) {
    swatch.addEventListener('click', function() { pickColor(swatch); });
  });
  document.querySelectorAll('[data-history-back]').forEach(function(button) {
    button.addEventListener('click', function() { window.history.back(); });
  });
  var elements = formElements();
  elements.name.addEventListener('input', function(event) { onWsNameInput(event.target.value); });
  elements.slug.addEventListener('input', function(event) { onWsSlugInput(event.target.value); });
  elements.submit.addEventListener('click', submitForm);

  var exportButton = document.getElementById('export-workspace-btn');
  if (exportButton) {
    exportButton.addEventListener('click', exportWorkspaceSnapshot);
  }

  if (workspaceFormState.isCreateMode) {
    return;
  }

  await window.whenWorkspacesReady();
  var workspace = window.getCurrentWorkspace ? window.getCurrentWorkspace() : null;
  if (!workspace || !window.CrankApi) {
    return;
  }

  try {
    var record = await window.CrankApi.getWorkspace(workspace.id);
    applyWorkspaceRecord(record);
  } catch (error) {
    if (window.CrankUi) {
      window.CrankUi.error(error.message || 'Failed to load workspace', 'Workspace load failed');
    }
  }
}

document.addEventListener('DOMContentLoaded', initPage);

window.addEventListener('beforeunload', function (event) {
  if (workspaceFormState.formDirty) {
    event.preventDefault();
    event.returnValue = '';
  }
});