const { getJobAssignmentType } = require("./stringHelpers");

/**
 * Populates the recipients for app, email, and FCM notifications based on scenario watchers.
 *
 * @param {Object} data - The data object containing scenarioWatchers and bodyShopId.
 * @param {Object} result - The result object to populate with recipients for app, email, and FCM notifications.
 */
const populateWatchers = (data, result) => {
  data.scenarioWatchers.forEach((recipients) => {
    const { user, app, fcm, email } = recipients;
    // Add user to app recipients with bodyShopId if app notification is enabled
    if (app === true) result.app.recipients.push({ user, bodyShopId: data.bodyShopId });
    // Add user to FCM recipients if FCM notification is enabled
    if (fcm === true) result.fcm.recipients.push(user);
    // Add user to email recipients if email notification is enabled
    if (email === true) result.email.recipients.push({ user });
  });
};

/**
 * Builds notification data for changes to alternate transport.
 *
 * @param {Object} data - The data object containing job details and alternate transport changes.
 * @returns {Object} Notification data structured for app, email, and FCM channels.
 */
const alternateTransportChangedBuilder = (data) => {
  const result = {
    app: {
      jobId: data.jobId,
      bodyShopId: data.bodyShopId,
      key: "notifications.job.alternateTransportChanged",
      variables: {
        alternateTransport: data.data.alt_transport,
        oldAlternateTransport: data.changedFields.alt_transport?.old
      },
      recipients: []
    },
    email: {
      subject: `Alternate transport for ${data?.jobRoNumber} (${data.bodyShopName}) changed to ${data.data.alt_transport || "None"}`,
      body: `The alternate transport status has been updated for job ${data?.jobRoNumber} in ${data.bodyShopName}.`,
      recipients: []
    },
    fcm: { recipients: [] }
  };

  populateWatchers(data, result);
  return result;
};

/**
 * Builds notification data for bill posted events.
 *
 * @param {Object} data - The data object containing job and billing details.
 * @returns {Object} Notification data structured for app, email, and FCM channels.
 */
const billPostedHandler = (data) => {
  const result = {
    app: {
      jobId: data.jobId,
      bodyShopId: data.bodyShopId,
      key: "notifications.job.billPosted",
      variables: {
        clmTotal: data.data.clm_total
      },
      recipients: []
    },
    email: {
      subject: `Bill posted for ${data?.jobRoNumber} (${data.bodyShopName})`,
      body: `A bill of $${data.data.clm_total} has been posted for job ${data?.jobRoNumber} in ${data.bodyShopName}.`,
      recipients: []
    },
    fcm: { recipients: [] }
  };

  populateWatchers(data, result);
  return result;
};

/**
 * Builds notification data for changes to critical parts status.
 *
 * @param {Object} data - The data object containing job details and critical parts status changes.
 * @returns {Object} Notification data structured for app, email, and FCM channels.
 */
const criticalPartsStatusChangedBuilder = (data) => {
  const result = {
    app: {
      jobId: data.jobId,
      bodyShopId: data.bodyShopId,
      key: "notifications.job.criticalPartsStatusChanged",
      variables: {
        queuedForParts: data.data.queued_for_parts,
        oldQueuedForParts: data.changedFields.queued_for_parts?.old
      },
      recipients: []
    },
    email: {
      subject: `Critical parts status for ${data?.jobRoNumber} (${data.bodyShopName}) updated`,
      body: `The critical parts status for job ${data?.jobRoNumber} in ${data.bodyShopName} has changed to ${data.data.queued_for_parts ? "queued" : "not queued"}.`,
      recipients: []
    },
    fcm: { recipients: [] }
  };

  populateWatchers(data, result);
  return result;
};

/**
 * Builds notification data for completed intake or delivery checklists.
 *
 * @param {Object} data - The data object containing job details and checklist changes.
 * @returns {Object} Notification data structured for app, email, and FCM channels.
 */
const intakeDeliveryChecklistCompletedBuilder = (data) => {
  // Determine checklist type based on which field was changed
  const checklistType = data.changedFields.intakechecklist ? "intake" : "delivery";
  const result = {
    app: {
      jobId: data.jobId,
      bodyShopId: data.bodyShopId,
      key: "notifications.job.checklistCompleted",
      variables: {
        checklistType,
        completed: true
      },
      recipients: []
    },
    email: {
      subject: `${checklistType.charAt(0).toUpperCase() + checklistType.slice(1)} checklist completed for ${data?.jobRoNumber} (${data.bodyShopName})`,
      body: `The ${checklistType} checklist for job ${data?.jobRoNumber} in ${data.bodyShopName} has been completed.`,
      recipients: []
    },
    fcm: { recipients: [] }
  };

  populateWatchers(data, result);
  return result;
};

/**
 * Builds notification data for job assignment events.
 *
 * @param {Object} data - The data object containing job details and scenario fields.
 * @returns {Object} Notification data structured for app, email, and FCM channels.
 */
const jobAssignedToMeBuilder = (data) => {
  const result = {
    app: {
      jobId: data.jobId,
      bodyShopId: data.bodyShopId,
      key: "notifications.job.assigned",
      variables: {
        type: data.scenarioFields?.[0]
      },
      recipients: []
    },
    email: {
      subject: `You have been assigned to [${getJobAssignmentType(data.scenarioFields?.[0])}] on ${data?.jobRoNumber} in ${data.bodyShopName}`,
      body: `Hello, a new job has been assigned to you in ${data.bodyShopName}.`,
      recipients: []
    },
    fcm: { recipients: [] }
  };

  populateWatchers(data, result);
  return result;
};

/**
 * Builds notification data for jobs added to production.
 *
 * @param {Object} data - The data object containing job details.
 * @returns {Object} Notification data structured for app, email, and FCM channels.
 */
const jobsAddedToProductionBuilder = (data) => {
  const result = {
    app: {
      jobId: data.jobId,
      bodyShopId: data.bodyShopId,
      key: "notifications.job.addedToProduction",
      variables: {},
      recipients: []
    },
    email: {
      subject: `Job ${data?.jobRoNumber} (${data.bodyShopName}) added to production`,
      body: `Job ${data?.jobRoNumber} in ${data.bodyShopName} has been added to production.`,
      recipients: []
    },
    fcm: { recipients: [] }
  };

  populateWatchers(data, result);
  return result;
};

/**
 * Builds notification data for job status changes.
 *
 * @param {Object} data - The data object containing job details and status changes.
 * @returns {Object} Notification data structured for app, email, and FCM channels.
 */
const jobStatusChangeBuilder = (data) => {
  const result = {
    app: {
      jobId: data.jobId,
      bodyShopId: data.bodyShopId,
      key: "notifications.job.statusChanged",
      variables: {
        status: data.data.status,
        oldStatus: data.changedFields.status.old
      },
      recipients: []
    },
    email: {
      subject: `The status of ${data?.jobRoNumber} (${data.bodyShopName}) has changed from ${data.changedFields.status.old} to ${data.data.status}`,
      body: `...`, // Placeholder indicating email body may need further customization
      recipients: []
    },
    fcm: { recipients: [] }
  };

  populateWatchers(data, result);
  return result;
};

/**
 * Builds notification data for new media added or reassigned events.
 *
 * @param {Object} data - The data object containing job details.
 * @returns {Object} Notification data structured for app, email, and FCM channels.
 */
const newMediaAddedReassignedBuilder = (data) => {
  const result = {
    app: {
      jobId: data.jobId,
      bodyShopId: data.bodyShopId,
      key: "notifications.job.newMediaAdded",
      variables: {},
      recipients: []
    },
    email: {
      subject: `New media added to ${data?.jobRoNumber} (${data.bodyShopName})`,
      body: `New media has been added to job ${data?.jobRoNumber} in ${data.bodyShopName}.`,
      recipients: []
    },
    fcm: { recipients: [] }
  };

  populateWatchers(data, result);
  return result;
};

/**
 * Builds notification data for new notes added to a job.
 *
 * @param {Object} data - The data object containing job details and note text.
 * @returns {Object} Notification data structured for app, email, and FCM channels.
 */
const newNoteAddedBuilder = (data) => {
  const result = {
    app: {
      jobId: data.jobId,
      bodyShopId: data.bodyShopId,
      key: "notifications.job.newNoteAdded",
      variables: {
        text: data.data.text
      },
      recipients: []
    },
    email: {
      subject: `New note added to ${data?.jobRoNumber} (${data.bodyShopName})`,
      body: `A new note has been added to job ${data?.jobRoNumber} in ${data.bodyShopName}: "${data.data.text}"`,
      recipients: []
    },
    fcm: { recipients: [] }
  };

  populateWatchers(data, result);
  return result;
};

/**
 * Builds notification data for new time tickets posted.
 *
 * @param {Object} data - The data object containing job details.
 * @returns {Object} Notification data structured for app, email, and FCM channels.
 */
const newTimeTicketPostedBuilder = (data) => {
  const result = {
    app: {
      jobId: data.jobId,
      bodyShopId: data.bodyShopId,
      key: "notifications.job.newTimeTicketPosted",
      variables: {},
      recipients: []
    },
    email: {
      subject: `New time ticket posted for ${data?.jobRoNumber} (${data.bodyShopName})`,
      body: `A new time ticket has been posted for job ${data?.jobRoNumber} in ${data.bodyShopName}.`,
      recipients: []
    },
    fcm: { recipients: [] }
  };

  populateWatchers(data, result);
  return result;
};

/**
 * Builds notification data for parts marked as back-ordered.
 *
 * @param {Object} data - The data object containing job details and parts status changes.
 * @returns {Object} Notification data structured for app, email, and FCM channels.
 */
const partMarkedBackOrderedBuilder = (data) => {
  const result = {
    app: {
      jobId: data.jobId,
      bodyShopId: data.bodyShopId,
      key: "notifications.job.partBackOrdered",
      variables: {
        queuedForParts: data.data.queued_for_parts,
        oldQueuedForParts: data.changedFields.queued_for_parts?.old
      },
      recipients: []
    },
    email: {
      subject: `Part marked back-ordered for ${data?.jobRoNumber} (${data.bodyShopName})`,
      body: `A part for job ${data?.jobRoNumber} in ${data.bodyShopName} has been marked as back-ordered.`,
      recipients: []
    },
    fcm: { recipients: [] }
  };

  populateWatchers(data, result);
  return result;
};

/**
 * Builds notification data for payment collection events.
 *
 * @param {Object} data - The data object containing job and payment details.
 * @returns {Object} Notification data structured for app, email, and FCM channels.
 */
const paymentCollectedCompletedBuilder = (data) => {
  const result = {
    app: {
      jobId: data.jobId,
      bodyShopId: data.bodyShopId,
      key: "notifications.job.paymentCollected",
      variables: {
        clmTotal: data.data.clm_total
      },
      recipients: []
    },
    email: {
      subject: `Payment collected for ${data?.jobRoNumber} (${data.bodyShopName})`,
      body: `Payment of $${data.data.clm_total} has been collected for job ${data?.jobRoNumber} in ${data.bodyShopName}.`,
      recipients: []
    },
    fcm: { recipients: [] }
  };

  populateWatchers(data, result);
  return result;
};

/**
 * Builds notification data for changes to scheduled dates.
 *
 * @param {Object} data - The data object containing job details and scheduling changes.
 * @returns {Object} Notification data structured for app, email, and FCM channels.
 */
const scheduledDatesChangedBuilder = (data) => {
  const result = {
    app: {
      jobId: data.jobId,
      bodyShopId: data.bodyShopId,
      key: "notifications.job.scheduledDatesChanged",
      variables: {
        scheduledIn: data.data.scheduled_in,
        oldScheduledIn: data.changedFields.scheduled_in?.old,
        scheduledCompletion: data.data.scheduled_completion,
        oldScheduledCompletion: data.changedFields.scheduled_completion?.old,
        scheduledDelivery: data.data.scheduled_delivery,
        oldScheduledDelivery: data.changedFields.scheduled_delivery?.old
      },
      recipients: []
    },
    email: {
      subject: `Scheduled dates updated for ${data?.jobRoNumber} (${data.bodyShopName})`,
      body: `Scheduled dates for job ${data?.jobRoNumber} in ${data.bodyShopName} have been updated.`,
      recipients: []
    },
    fcm: { recipients: [] }
  };

  populateWatchers(data, result);
  return result;
};

/**
 * Builds notification data for supplement imported events.
 *
 * @param {Object} data - The data object containing job and supplement details.
 * @returns {Object} Notification data structured for app, email, and FCM channels.
 */
const supplementImportedBuilder = (data) => {
  const result = {
    app: {
      jobId: data.jobId,
      bodyShopId: data.bodyShopId,
      key: "notifications.job.supplementImported",
      variables: {
        suppAmt: data.data.cieca_ttl?.data?.supp_amt
      },
      recipients: []
    },
    email: {
      subject: `Supplement imported for ${data?.jobRoNumber} (${data.bodyShopName})`,
      body: `A supplement of $${data.data.cieca_ttl?.data?.supp_amt || 0} has been imported for job ${data?.jobRoNumber} in ${data.bodyShopName}.`,
      recipients: []
    },
    fcm: { recipients: [] }
  };

  populateWatchers(data, result);
  return result;
};

/**
 * Builds notification data for tasks updated or created.
 *
 * @param {Object} data - The data object containing job details and task event type.
 * @returns {Object} Notification data structured for app, email, and FCM channels.
 */
const tasksUpdatedCreatedBuilder = (data) => {
  const result = {
    app: {
      jobId: data.jobId,
      bodyShopId: data.bodyShopId,
      key: data.isNew ? "notifications.job.taskCreated" : "notifications.job.taskUpdated",
      variables: {
        type: data.isNew ? "created" : "updated",
        roNumber: data.jobRoNumber
      },
      recipients: []
    },
    email: {
      subject: `Tasks ${data.isNew ? "created" : "updated"} for ${data?.jobRoNumber} (${data.bodyShopName})`,
      body: `Tasks for job ${data?.jobRoNumber} in ${data.bodyShopName} have been ${data.isNew ? "created" : "updated"}.`,
      recipients: []
    },
    fcm: { recipients: [] }
  };

  populateWatchers(data, result);
  return result;
};

module.exports = {
  alternateTransportChangedBuilder,
  billPostedHandler,
  criticalPartsStatusChangedBuilder,
  intakeDeliveryChecklistCompletedBuilder,
  jobAssignedToMeBuilder,
  jobsAddedToProductionBuilder,
  jobStatusChangeBuilder,
  newMediaAddedReassignedBuilder,
  newNoteAddedBuilder,
  newTimeTicketPostedBuilder,
  partMarkedBackOrderedBuilder,
  paymentCollectedCompletedBuilder,
  scheduledDatesChangedBuilder,
  supplementImportedBuilder,
  tasksUpdatedCreatedBuilder
};