# -*- coding: utf-8 -*-
# models/project_project.py
from odoo import models, fields, api


class Project(models.Model):
    _inherit = 'project.project'

    progress = fields.Float(
        string="Project Progress (%)",
        compute="_compute_project_progress",
        store=True
    )

    @api.depends('task_ids.progress', 'task_ids.weight', 'task_ids.parent_id', 'task_ids.task_completed')
    def _compute_project_progress(self):
        for project in self:
            top_level_tasks = project.task_ids.filtered(lambda t: not t.parent_id)

            total_weighted_progress = 0.0
            total_weight = 0.0

            for task in top_level_tasks:
                weight = task.weight or 0.0
                if weight > 0:
                    total_weight += weight
                    total_weighted_progress += weight * (task.progress or 0.0)

            project.progress = (total_weighted_progress / total_weight) if total_weight > 0 else 0.0