from odoo import _, api, fields, models


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

    timeline_color_hex = fields.Char(
        string="Timeline Color",
        default="#5794dd",
        help="Custom color used for this project's timeline bars.",
    )
    timeline_entry_ids = fields.One2many(
        "user.timeline.entry",
        "project_id",
        string="Timeline Entries",
        readonly=True,
    )
    timeline_entry_count = fields.Integer(
        compute="_compute_timeline_metrics",
        string="Timeline Entries",
    )
    timeline_member_count = fields.Integer(
        compute="_compute_timeline_metrics",
        string="Team Members in Timeline",
    )
    timeline_leave_count = fields.Integer(
        compute="_compute_timeline_metrics",
        string="Leave Blocks",
    )
    timeline_task_count = fields.Integer(
        compute="_compute_timeline_metrics",
        string="Task Blocks",
    )

    @api.depends("timeline_entry_ids")
    def _compute_timeline_metrics(self):
        grouped = {}
        if self.ids:
            entries = self.env["user.timeline.entry"].search([("project_id", "in", self.ids)])
            for project in self:
                project_entries = entries.filtered(lambda entry: entry.project_id.id == project.id)
                grouped[project.id] = project_entries
        for project in self:
            project_entries = grouped.get(project.id, self.env["user.timeline.entry"])
            project.timeline_entry_count = len(project_entries)
            project.timeline_member_count = len(project_entries.mapped("user_id"))
            project.timeline_leave_count = len(project_entries.filtered(lambda entry: entry.entry_type == "leave"))
            project.timeline_task_count = len(project_entries.filtered(lambda entry: entry.entry_type == "task"))

    def action_open_team_timelines(self):
        self.ensure_one()
        action = self.env["ir.actions.act_window"]._for_xml_id(
            "user_timelines.action_user_timeline_entries"
        )
        action["name"] = _("Team Timelines: %s", self.name)
        action["domain"] = [("project_id", "=", self.id)]
        action["context"] = {
            "search_default_group_employee": 1,
            "search_default_group_user": 0,
            "search_default_group_project": 0,
            "search_default_public_holidays_remove": 1,
            "default_is_public_holiday": 0,
            "default_project_id": self.id,
        }
        return action