// ==========================================
// CONFIGURATION & MASTER DATA
// ==========================================

const MASTER_ROSTER = [
  // Claire Hanrahan
  { fn: 'Samantha', ln: 'B.', cm: 'claire.hanrahan@ahschools.us' },
  { fn: 'Mia', ln: 'B.', cm: 'claire.hanrahan@ahschools.us' },
  { fn: 'Dominic', ln: 'G.', cm: 'claire.hanrahan@ahschools.us' },
  { fn: 'Mikayla', ln: 'S.', cm: 'claire.hanrahan@ahschools.us' },
  { fn: 'Jeremiah', ln: 'T.', cm: 'claire.hanrahan@ahschools.us' },
  { fn: 'Milo', ln: 'K.', cm: 'claire.hanrahan@ahschools.us' },
  { fn: 'William', ln: 'S.', cm: 'claire.hanrahan@ahschools.us' },

  // Emily Catterton
  { fn: 'Kyle', ln: 'B.', cm: 'emily.catterton@ahschools.us' },
  { fn: 'Sarah', ln: 'K.', cm: 'emily.catterton@ahschools.us' },
  { fn: 'Jack', ln: 'P.', cm: 'emily.catterton@ahschools.us' },
  { fn: 'Hannah', ln: 'B.', cm: 'emily.catterton@ahschools.us' },
  { fn: 'Demetrius', ln: 'C.', cm: 'emily.catterton@ahschools.us' },
  { fn: 'Ethan', ln: 'W.', cm: 'emily.catterton@ahschools.us' },
  { fn: 'Neveah', ln: 'M-T.', cm: 'emily.catterton@ahschools.us' },
  { fn: 'Josh', ln: 'M.', cm: 'emily.catterton@ahschools.us' },

  // Trent Hanson
  { fn: 'Adrian', ln: 'N.', cm: 'trent.hanson@ahschools.us' },
  { fn: 'Chance', ln: 'S.', cm: 'trent.hanson@ahschools.us' },
  { fn: 'Mohamed', ln: 'W.', cm: 'trent.hanson@ahschools.us' },
  { fn: 'Dominic', ln: 'P.', cm: 'trent.hanson@ahschools.us' },
  { fn: 'Kanhchana', ln: 'I.', cm: 'trent.hanson@ahschools.us' },
  { fn: 'Johnny', ln: 'X.', cm: 'trent.hanson@ahschools.us' },

  // Ryan Roth
  { fn: 'Carter', ln: 'R.', cm: 'ryan.roth@ahschools.us' },
  { fn: 'Naomi', ln: 'B.', cm: 'ryan.roth@ahschools.us' },
  { fn: 'Ashton', ln: 'B.', cm: 'ryan.roth@ahschools.us' },
  { fn: 'Sophie', ln: 'T.', cm: 'ryan.roth@ahschools.us' },
  { fn: 'Alvin', ln: 'Z.', cm: 'ryan.roth@ahschools.us' },

  // Tamara Onnen
  { fn: 'Tony', ln: 'R-A.', cm: 'tamara.onnen@ahschools.us' },
  { fn: 'Steven', ln: 'G.', cm: 'tamara.onnen@ahschools.us' },
  { fn: 'Alex', ln: 'C.', cm: 'tamara.onnen@ahschools.us' },
  { fn: 'Alondra', ln: 'O.', cm: 'tamara.onnen@ahschools.us' },
  { fn: 'Devon', ln: 'J.', cm: 'tamara.onnen@ahschools.us' },
  { fn: 'Latrell', ln: 'J.', cm: 'tamara.onnen@ahschools.us' },
  { fn: 'Elise', ln: 'K.', cm: 'tamara.onnen@ahschools.us' },

  // Karlyn Pranke
  { fn: 'Brennen', ln: 'J.', cm: 'karlyn.pranke@ahschools.us' },
  { fn: 'Hailey', ln: 'B.', cm: 'karlyn.pranke@ahschools.us' },
  { fn: 'Lima', ln: 'P.', cm: 'karlyn.pranke@ahschools.us' },
  { fn: 'Johnathon', ln: 'X.', cm: 'karlyn.pranke@ahschools.us' },
  { fn: 'Terrica', ln: 'T.', cm: 'karlyn.pranke@ahschools.us' },
  { fn: 'Jalon', ln: 'C.', cm: 'karlyn.pranke@ahschools.us' },
  { fn: 'Michael', ln: 'G.', cm: 'karlyn.pranke@ahschools.us' },

  // Nicole Ruid
  { fn: 'Bilaal', ln: 'A.', cm: 'nicole.ruid@ahschools.us' },
  { fn: 'Zahur', ln: 'A.', cm: 'nicole.ruid@ahschools.us' },
  { fn: 'Gavin', ln: 'C.', cm: 'nicole.ruid@ahschools.us' },
  { fn: 'Windy', ln: 'L.', cm: 'nicole.ruid@ahschools.us' },
  { fn: 'Ariella', ln: 'S.', cm: 'nicole.ruid@ahschools.us' },
  { fn: 'Bella', ln: 'K.', cm: 'nicole.ruid@ahschools.us' },
  { fn: 'Chloe', ln: 'B.', cm: 'nicole.ruid@ahschools.us' },

  // Kelley Stowell
  { fn: 'Samuel', ln: 'B.', cm: 'kelley.stowell@ahschools.us' },
  { fn: 'Ariyanna', ln: 'R.', cm: 'kelley.stowell@ahschools.us' },
  { fn: 'Kaitlyn', ln: 'H.', cm: 'kelley.stowell@ahschools.us' },
  { fn: 'Gabriel', ln: 'M.', cm: 'kelley.stowell@ahschools.us' },
  { fn: 'Masha', ln: 'G.', cm: 'kelley.stowell@ahschools.us' },
  { fn: 'James', ln: 'K.', cm: 'kelley.stowell@ahschools.us' },
  { fn: 'Nasar', ln: 'M.', cm: 'kelley.stowell@ahschools.us' },

  // Ryan Erlandson
  { fn: 'Chance', ln: 'K.', cm: 'ryan.erlandson@ahschools.us' },
  { fn: 'Angel', ln: 'L.', cm: 'ryan.erlandson@ahschools.us' },
  { fn: 'Davian', ln: 'N.', cm: 'ryan.erlandson@ahschools.us' },
  { fn: 'Madison', ln: 'R.', cm: 'ryan.erlandson@ahschools.us' },
  { fn: 'Ismeal', ln: 'S.', cm: 'ryan.erlandson@ahschools.us' },
  { fn: 'Max', ln: 'S.', cm: 'ryan.erlandson@ahschools.us' },
  { fn: 'Owen', ln: 'P.', cm: 'ryan.erlandson@ahschools.us' },

  // Carol Lewis
  { fn: 'Jack', ln: 'N.', cm: 'carol.lewis@ahschools.us' },
  { fn: 'Myles', ln: 'G.', cm: 'carol.lewis@ahschools.us' },
  { fn: 'Lucas', ln: 'P.', cm: 'carol.lewis@ahschools.us' },
  { fn: 'Ebin', ln: 'M.', cm: 'carol.lewis@ahschools.us' },
  { fn: 'Emma', ln: 'G.', cm: 'carol.lewis@ahschools.us' },
  { fn: 'Jonah', ln: 'W.', cm: 'carol.lewis@ahschools.us' },
  { fn: 'Abdullahi', ln: 'O.', cm: 'carol.lewis@ahschools.us' }
];

// Fallback email if a student match is not found
const ADMIN_FALLBACK_EMAIL = 'admin@ahschools.us';

// ==========================================
// TRIGGER & INITIAL SETUP
// ==========================================

/**
 * Run this function once manually to automatically install the Form Submit trigger.
 */
function createFormSubmitTrigger() {
  const form = FormApp.getActiveForm();
  
  // Clear any existing triggers to avoid duplicates
  const triggers = ScriptApp.getUserTriggers(form);
  triggers.forEach(trigger => ScriptApp.deleteTrigger(trigger));

  // Build new trigger
  ScriptApp.newTrigger('onFormSubmit')
    .forForm(form)
    .onFormSubmit()
    .create();

  Logger.log('Successfully created form submission trigger.');
}

// ==========================================
// EVENT HANDLER
// ==========================================

function onFormSubmit(e) {
  try {
    const itemResponses = e.response.getItemResponses();
    let studentFirstName = '';
    let studentLastName = '';
    let incidentDetails = [];

    // Parse Form Responses
    for (let i = 0; i < itemResponses.length; i++) {
      const response = itemResponses[i];
      const title = response.getItem().getTitle().toLowerCase().trim();
      const value = response.getResponse();

      if (title.includes('first name') || title.includes('student first')) {
        studentFirstName = value.toString().trim();
      } else if (title.includes('last name') || title.includes('student last')) {
        studentLastName = value.toString().trim();
      } else {
        const formattedVal = Array.isArray(value) ? value.join(', ') : value;
        incidentDetails.push(`<strong>${response.getItem().getTitle()}:</strong> ${formattedVal}`);
      }
    }

    // Match Student to Case Manager
    const matchedStudent = findStudent(studentFirstName, studentLastName);

    if (matchedStudent) {
      sendEmailNotification(matchedStudent.cm, `${matchedStudent.fn} ${matchedStudent.ln}`, incidentDetails);
    } else {
      Logger.log(`No matching Case Manager found for: ${studentFirstName} ${studentLastName}`);
      sendEmailNotification(
        ADMIN_FALLBACK_EMAIL,
        `${studentFirstName} ${studentLastName} (Unmatched)`,
        incidentDetails
      );
    }
  } catch (err) {
    Logger.log(`Error processing form submission: ${err.message}`);
  }
}

// ==========================================
// HELPER FUNCTIONS
// ==========================================

function findStudent(firstName, lastName) {
  if (!firstName || !lastName) return null;

  const cleanFN = firstName.toLowerCase().trim();
  const cleanLN = lastName.toLowerCase().trim().replace('.', '');

  return MASTER_ROSTER.find(student => {
    const rosterFN = student.fn.toLowerCase().trim();
    const rosterLN = student.ln.toLowerCase().trim().replace('.', '');
    
    return rosterFN === cleanFN && rosterLN.startsWith(cleanLN.charAt(0));
  });
}

function sendEmailNotification(recipientEmail, studentName, incidentDetails) {
  const subject = `Behavior Incident Report: ${studentName}`;
  
  const htmlBody = `
    <div style="font-family: Arial, sans-serif; color: #333; line-height: 1.6;">
      <h2 style="color: #2c3e50;">Behavior Incident Notification</h2>
      <p>A new incident report has been submitted for a student on your caseload.</p>
      <p><strong>Student:</strong> ${studentName}</p>
      <hr style="border: 0; border-top: 1px solid #ccc;">
      <h3>Report Details:</h3>
      <p>${incidentDetails.join('<br><br>')}</p>
      <hr style="border: 0; border-top: 1px solid #ccc;">
      <p style="font-size: 0.85em; color: #777;"><em>This is an automated notification from the Behavior Reporting System.</em></p>
    </div>
  `;

  GmailApp.sendEmail(recipientEmail, subject, '', {
    htmlBody: htmlBody
  });
}