from odoo import api, fields, models, _


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

    sequence_name = fields.Char("Project Number", copy=False, readonly=True)
    task_sequence_id = fields.Many2one(
        'ir.sequence',
        string="Task Sequence",
        readonly=True,
        copy=False,
        help="Sequence for tasks of this project"
    )

    @api.model
    def _get_shared_project_sequence(self):
        """Get or create a shared sequence for all projects"""
        sequence = self.env['ir.sequence'].sudo().search([('code', '=', 'project.project.sequence')], limit=1)
        if not sequence:
            sequence = self.env['ir.sequence'].sudo().create({
                'name': _("Project Sequence"),
                'implementation': 'no_gap',
                'padding': 3,
                'use_date_range': False,
                'prefix': 'PROJ-',
                'code': 'project.project.sequence',
            })
        return sequence

    @api.model_create_multi
    def create(self, vals_list):
        projects = super().create(vals_list)
        sequence = self._get_shared_project_sequence()
        for project in projects:
            if not project.sequence_name:
                project.sequence_name = sequence.next_by_id()
        return projects

    project_lead = fields.Many2one("res.users", string="Project Lead")
    members_ids = fields.Many2many('res.users', 'project_user_rel', 'project_id',
                                   'user_id', 'Project Members', help="""Project's
                               members are users who can have an access to
                               the tasks related to this project."""
                                   )
    user_id = fields.Many2one('res.users', string='Project Manager', default=lambda self: self.env.user, tracking=True,
                              domain=lambda self: [('groups_id', 'in', [self.env.ref('project.group_project_manager').id,self.env.ref('project_task_timesheet_extended.group_project_supervisor').id]),('share','=',False)],)


    def add_users(self):
        return {
            'type': 'ir.actions.act_window',
            'name': 'Add Users',
            'res_model': 'project.user.assign.wizard',
            'view_mode': 'form',
            'view_id': self.env.ref('project_task_timesheet_extended.project_user_assignment_form_view').id,
            'target': 'new',
            'context': {'default_members_ids':[(6, 0, self.members_ids.ids)],
                        },
        }