from odoo import models, fields, api
from odoo.exceptions import ValidationError
import re
from odoo.exceptions import UserError
import base64

class SchoolApplication(models.Model):
    _name = 'school.application'
    _description = 'Student Application'
    _order = 'name'
    _rec_name = 'name'
    _inherit = ['mail.thread', 'mail.activity.mixin']

    name = fields.Char(string="Student Name", required=True,)
    email = fields.Char(string="Email", )
    phone_no = fields.Char(string="Phone Number") 
    image = fields.Binary("Profile Photo", store=True) 
    address = fields.Text(string="Address")
    class_name = fields.Selection([
        ('1', 'Class 1'),
        ('2', 'Class 2'),
        ('3', 'Class 3'),
        ('4', 'Class 4'),
        ('5', 'Class 5'),
        ('6', 'Class 6'),
        ('7', 'Class 7'),
        ('8', 'Class 8'),
        ('9', 'Class 9'),
        ('10', 'Class 10'),
        ('11', 'Class 11'),
        ('12', 'Class 12'),
    ], string="Class", required=True)
    
    academic_year = fields.Char(string="Academic Year")
    gender = fields.Selection([
        ('male', 'Male'),
        ('female', 'Female'),
        ('other', 'Other')
    ], string="Gender")
    date_of_birth = fields.Date(string="Date of Birth")
    parent_email = fields.Char(string="Parent Email")
    blood_group = fields.Selection([
        ('a+', 'A+'), ('a-', 'A-'),
        ('b+', 'B+'), ('b-', 'B-'),
        ('ab+', 'AB+'), ('ab-', 'AB-'),
        ('o+', 'O+'), ('o-', 'O-')
    ], string="Blood Group")
    school_name = fields.Char(string="Previous School")
    has_disability = fields.Boolean(string="Any Disability")
    is_ex_service_child = fields.Boolean(string="Ex-Service Man's Child")
    caste = fields.Selection([
        ('general', 'General'),
        ('OBC', 'OBC'),
        ('SC', 'SC'),
        ('ST', 'ST'),
        ('other','Other')
    ], string="Caste")
    status = fields.Selection([
        ('pending', 'Pending'),
        ('approved', 'Approved'),
        ('rejected', 'Rejected')
    ], default='pending')

    father_name = fields.Char(string="Father's Name")
    father_phone = fields.Char(string="Father's Phone")
    mother_name = fields.Char(string="Mother's Name")
    mother_phone = fields.Char(string="Mother's Phone")
    father_occupation = fields.Char(string="Father's Occupation")
    mother_occupation = fields.Char(string="Mother's Occupation")

    # Admission Query
    admission_query = fields.Text(string="Admission Query")

    # Documents (File Uploads)
    birth_certificate = fields.Binary(string="Birth Certificate")
    birth_certificate_filename = fields.Char(string="Filename")

    tc_certificate = fields.Binary(string="Transfer Certificate")
    tc_certificate_filename = fields.Char(string="TC Filename")

    aadhaar_card = fields.Binary(string="Aadhaar Card")
    aadhaar_card_filename = fields.Char(string="Filename")


    @api.constrains('phone_no')
    def _check_phone_no(self):
        for record in self:
            if not re.fullmatch(r'\d{10}', record.phone_no or ''):
                raise ValidationError("Phone number must contain exactly 10 digits.")
            
    def action_show_id_card(self):
        self.ensure_one()
        return {
            'type': 'ir.actions.act_window',
            'name': 'ID Card',
            'view_mode': 'form',
            'res_model': 'school.application',
            'res_id': self.id,
            'view_id': self.env.ref('school_management.view_school_id_card_form').id,
            'target': 'new',  # or 'current' for full page
        }

    
    @api.depends('application_id')
    def _compute_student_id(self):
        for rec in self:
            rec.student_id = str(rec.application_id.id) if rec.application_id else ''

    # def action_open_id_card_wizard(self):
    #     return {
    #         'type': 'ir.actions.act_window',
    #         'name': 'Generate ID Card',
    #         'res_model': 'wizard.generate.id.card',
    #         'view_mode': 'form',
    #         'target': 'new',
    #         'context': {'default_application_id': self.id},
    #     }