# pyrefly: ignore [missing-import]
from odoo import api, fields, models
# pyrefly: ignore [missing-import]
from odoo.exceptions import ValidationError


class EducationFeeStructure(models.Model):
    _name = 'education.fee.structure'
    _description = 'Fee Structure'
    _order = 'name'

    name = fields.Char(required=True, string='Structure Name')
    academic_year_id = fields.Many2one('education.academic.year', string='Academic Year', required=True, index=True)
    level_id = fields.Many2one('education.academic.level', string='Academic Level', required=True, index=True)
    program_id = fields.Many2one('education.program', string='Program', index=True)
    department_id = fields.Many2one('education.department', string='Department', index=True)
    semester_id = fields.Many2one('education.semester', string='Semester', index=True)
    academic_term_id = fields.Many2one('education.academic.term', string='Academic Term', index=True)
    batch_id = fields.Many2one('education.batch', string='Batch', index=True)
    due_days = fields.Integer(string='Due Days from Assignment', default=30)
    currency_id = fields.Many2one(
        'res.currency',
        string='Currency',
        required=True,
        default=lambda self: self.env.company.currency_id,
    )
    line_ids = fields.One2many('education.fee.structure.line', 'fee_structure_id', string='Fee Lines', copy=True)
    total_amount = fields.Monetary(
        string='Total Amount',
        compute='_compute_total_amount',
        currency_field='currency_id',
        store=True,
    )
    active = fields.Boolean(default=True)
    company_id = fields.Many2one(
        'res.company',
        string='Company',
        required=True,
        default=lambda self: self.env.company,
        index=True,
    )

    @api.depends('line_ids.amount')
    def _compute_total_amount(self):
        for rec in self:
            rec.total_amount = sum(line.amount for line in rec.line_ids)


class EducationFeeStructureLine(models.Model):
    _name = 'education.fee.structure.line'
    _description = 'Fee Structure Line'
    _order = 'sequence, id'

    fee_structure_id = fields.Many2one('education.fee.structure', string='Fee Structure', required=True, ondelete='cascade')
    fee_type_id = fields.Many2one('education.fee.type', string='Fee Type', required=True)
    currency_id = fields.Many2one('res.currency', related='fee_structure_id.currency_id', store=True)
    amount = fields.Monetary(string='Amount', required=True, currency_field='currency_id')
    mandatory = fields.Boolean(string='Mandatory', default=True)
    sequence = fields.Integer(string='Sequence', default=10)
    active = fields.Boolean(default=True)
    company_id = fields.Many2one(
        'res.company',
        related='fee_structure_id.company_id',
        store=True,
        index=True,
    )

    @api.onchange('fee_type_id')
    def _onchange_fee_type(self):
        if self.fee_type_id:
            self.amount = self.fee_type_id.amount
            self.mandatory = self.fee_type_id.mandatory

    @api.constrains('amount')
    def _check_amount(self):
        for rec in self:
            if rec.amount < 0:
                raise ValidationError('Line amount cannot be negative.')