/**
 * @node form-trigger
 * @name Form
 * @category triggers
 * @version 1.0.0
 * @description Publishes an HTML form at a shareable URL. Submitting it starts the workflow.
 * @trigger
 * @icon clipboard-list
 */

const configSchema = {
  type: 'object',
  properties: {
    title: {
      type: 'string',
      title: 'Form Title',
      description: 'Shown as the heading of the page',
      default: 'Untitled form'
    },
    description: {
      type: 'string',
      title: 'Description',
      description: 'Shown under the heading. Plain text - it is escaped, not rendered as HTML.',
      default: ''
    },
    fields: {
      type: 'array',
      title: 'Fields',
      description: 'The questions on the form, in order.',
      default: [],
      items: {
        type: 'object',
        properties: {
          name: { type: 'string', title: 'Name',
                  description: 'The key the workflow reads, e.g. "image" for $node[\'Form\'].form.image. Letters, digits and underscore, not starting with a digit.' },
          label: { type: 'string', title: 'Label', description: 'Shown next to the input' },
          type: { type: 'string', title: 'Type',
                  enum: ['text', 'textarea', 'number', 'select', 'checkbox', 'date', 'file'],
                  default: 'text' },
          required: { type: 'boolean', title: 'Required', default: false },
          placeholder: { type: 'string', title: 'Placeholder', default: '' },
          options: { type: 'array', title: 'Options', description: 'Choices, for a Select field',
                     items: { type: 'string' }, default: [] },
          accept: { type: 'string', title: 'Accept',
                    description: 'For a File field, e.g. "image/*". A browser hint only - it is not enforced.',
                    default: '' },
          maxSizeMb: { type: 'number', title: 'Max Size (MB)',
                       description: 'For a File field. 0 uses the server limit.', default: 0 }
        }
      }
    },
    password: {
      type: 'string',
      title: 'Password',
      format: 'password',
      description: 'Leave empty for anyone with the link. This is stored readable in the workflow, so treat it as a gate against a forwarded link, not as a secret.',
      default: ''
    },
    responseMode: {
      type: 'string',
      title: 'After Submit',
      enum: ['immediate', 'wait'],
      description: 'Immediate returns a thank-you page at once and lets the run continue - needed for anything taking more than about 30 seconds. Wait holds the browser until the workflow finishes, so a Respond to Webhook node can answer.',
      default: 'immediate'
    },
    responseMessage: {
      type: 'string',
      title: 'Thank-you Message',
      default: 'Thanks, your answer was received.',
      'x-if': 'responseMode'
    },
    path: {
      type: 'string',
      title: 'Path Filter',
      description: 'Optional path suffix. Leave empty to answer at the bare form URL.',
      default: ''
    }
  }
};

const inputSchema = { type: 'object', properties: {} };

const outputSchema = {
  type: 'object',
  properties: {
    form: { type: 'object', description: 'The answers, keyed by field name. A file field holds a binary object.' },
    submittedAt: { type: 'number', description: 'Milliseconds since the epoch' },
    clientIp: { type: 'string' }
  }
};

async function execute(config, input, context) {
  // Every value here is built by the webhook controller, which has already
  // validated it. Executed directly - from the editor's Run button - there is
  // no submission, and an empty form is the honest answer rather than an error.
  // The runner hands the trigger node's payload to `input`, not `context` -
  // `context` only carries executionId/nodeId/workflowId.
  const triggerData = input || {};

  return {
    form: triggerData.form || {},
    submittedAt: triggerData.submittedAt || Date.now(),
    clientIp: triggerData.clientIp || ''
  };
}

module.exports = { configSchema, inputSchema, outputSchema, execute };