from odoo import http, _
from odoo.http import request
from odoo.addons.portal.controllers.portal import CustomerPortal, pager as portal_pager

class KPIPortal(CustomerPortal):

    def _prepare_home_portal_values(self, counters):
        values = super()._prepare_home_portal_values(counters)
        if 'kpi_count' in counters:
            values['kpi_count'] = request.env['kpi.kpi'].search_count([
                ('employee_id.user_id', '=', request.env.user.id)
            ])
        return values

    @http.route(['/my/kpi', '/my/kpi/page/<int:page>'], type='http', auth="user", website=True)
    def portal_my_kpis(self, page=1, date_begin=None, date_end=None, sortby=None, **kw):
        values = self._prepare_portal_layout_values()
        
        Kpi = request.env['kpi.kpi']
        domain = [('employee_id.user_id', '=', request.env.user.id)]

        kpi_count = Kpi.search_count(domain)
        pager = portal_pager(
            url="/my/kpi",
            url_args={'date_begin': date_begin, 'date_end': date_end, 'sortby': sortby},
            total=kpi_count,
            page=page,
            step=self._items_per_page
        )

        kpis = Kpi.search(domain, limit=self._items_per_page, offset=pager['offset'])
        values.update({
            'kpis': kpis,
            'page_name': 'kpi',
            'default_url': '/my/kpi',
            'pager': pager,
        })
        return request.render("employee_kpi.portal_my_kpis", values)

    @http.route(['/my/kpi/<model("kpi.kpi"):kpi>'], type='http', auth="user", website=True)
    def portal_my_kpi_detail(self, kpi, **kw):
        # Explicit check in case record rules are bypassed or misconfigured
        if kpi.employee_id.user_id != request.env.user:
            return request.redirect('/my/kpi')
            
        return request.render("employee_kpi.portal_my_kpi", {
            'kpi': kpi,
            'page_name': 'kpi',
        })

    @http.route(['/my/kpi/save_line'], type='json', auth="user")
    def portal_kpi_save_line(self, line_id, realization):
        line = request.env['kpi.kpi.line'].browse(line_id)
        if line.kpi_id.employee_id.user_id != request.env.user:
            return {'error': 'Access Denied'}
        
        # Only allow edit if KPI is running? Or always?
        # Assuming always allow for now, or based on state logic if added later.
        line.write({'realization': float(realization)})
        return {
            'success': True,
            'new_score': line.score,
            'new_final_score': line.final_score,
            'kpi_total_score': line.kpi_id.total_score
        }