# -*- coding: utf-8 -*-
from odoo import models, fields, api
from odoo.osv.expression import OR
from .ffck_structure_type import SCALES


class ResPartner(models.Model):
    _inherit = "res.partner"

    # Partner fields
    ffck_network = fields.Boolean(string="FFCK network")
    first_membership_date = fields.Date("Structure 1st membership")
    # Structure typing
    partner_scale = fields.Selection(
        selection=SCALES,
        string="Scale",
        compute="_get_partner_scale",
        store=True,
    )
    ffck_structure_type_id = fields.Many2one(
        comodel_name="ffck.structure.type",
        string="Structure type",
    )
    partner_code = fields.Char(string="FFCK code", size=6, index=True)
    partner_code_editable = fields.Boolean(string="FFCK code editable", default=True)
    # FFCK
    ffck_partner_id = fields.Many2one(
        comodel_name="res.partner",
        string="FFCK partner",
        ondelete="restrict",
        compute="_get_ffck_partner",
        store=True,
    )
    ffck_partner_code = fields.Char(string="FFCK", default="0", readonly=True)
    # CRCK
    crck_partner_id = fields.Many2one(
        comodel_name="res.partner",
        string="CRCK partner",
        index=True,
        ondelete="restrict",
        compute="_get_crck_partner",
        store=True,
    )
    crck_partner_code = fields.Char(related="crck_partner_id.partner_code", store=True)
    # CDCK
    cdck_partner_id = fields.Many2one(
        comodel_name="res.partner",
        string="CDCK partner",
        index=True,
        ondelete="restrict",
        compute="_get_cdck_partner",
        store=True,
    )
    cdck_partner_code = fields.Char(related="cdck_partner_id.partner_code", store=True)
    local_partner_id = fields.Many2one(
        comodel_name="res.partner",
        string="Local partner",
        index=True,
        ondelete="restrict",
        domain=[("ffck_network", "=", True), ("partner_scale", "=", 4)],
    )
    local_partner_code = fields.Char(
        related="local_partner_id.partner_code", store=True
    )
    crck_partner_ids = fields.One2many(
        comodel_name="res.partner",
        inverse_name="ffck_partner_id",
        domain=[("partner_scale", "=", "2")],
        string="Regional Comittees",
    )
    cdck_partner_ids = fields.One2many(
        comodel_name="res.partner",
        inverse_name="crck_partner_id",
        domain=[("partner_scale", "=", "3")],
        string="Departmental Comittees",
    )
    local_partner_ids = fields.One2many(
        comodel_name="res.partner",
        inverse_name="cdck_partner_id",
        domain=[("partner_scale", "=", "4")],
        string="Local structures",
    )
    # Compute hierarchy for searchpanel
    hierarchy_id = fields.Many2one(
        comodel_name="res.partner.hierarchy",
        string="Hierarchy element",
        compute="_compute_partner_hierarchy",
        store=True,
    )

    @api.depends("ffck_network", "partner_scale", "partner_code")
    def _compute_partner_hierarchy(self):
        for partner in self:
            partner.hierarchy_id = (
                partner.id
                if partner.ffck_network
                and int(partner.partner_scale) in range(1, 5)
                and partner.partner_code
                else False
            )

    @api.model
    def name_search(self, name="", args=None, operator="ilike", limit=100):
        """Allow searching by sequence code by default."""
        # Do not add any domain when user just clicked on search widget
        if not (name == "" and operator == "ilike"):
            # The dangling | is needed to combine with the domain added by super()
            args = OR(
                [
                    [
                        "&",
                        ("ffck_network", "=", True),
                        ("partner_code", "=like", name + "%"),
                    ],
                    args or [],
                ]
            )
        return super().name_search(name, args, operator, limit)

    @api.depends("name", "ref", "partner_code")
    def name_get(self):
        result = []
        ffck_partners = self.filtered("ffck_network")
        others = self - ffck_partners
        for record in ffck_partners:
            code = record.partner_code
            ref = record.ref
            result.append(
                (
                    record.id,
                    "{}{}{}".format(
                        code and code + " - " or "",
                        ref and record.is_company and ref + " - " or "",
                        super(ResPartner, record).name_get()[0][1],
                    ),
                )
            )
        result += super(ResPartner, others).name_get()
        return result

    # COMPUTES

    @api.depends("company_type", "ffck_structure_type_id")
    def _get_partner_scale(self):
        for partner in self:
            if partner.company_type == "individual":
                partner.partner_scale = "5"
            else:
                partner.partner_scale = partner.ffck_structure_type_id.scale

    def _get_ffck_partner(self):
        ffck = self.env.ref("ffck_commons.res_partner_ffck", raise_if_not_found=False)
        main = self.env.ref("base.main_partner")
        for partner in self:
            if main.ref == "FFCK":
                if ffck and ffck.active:
                    ffck.write({"active": False})
                partner.ffck_partner_id = main
            else:
                partner.ffck_partner_id = ffck

    @api.depends("state_id", "ffck_network", "partner_scale")
    def _get_crck_partner(self):
        states = self.mapped("state_id")
        crck_ok = self.with_context(active_test=False).search(
            [
                ("ffck_network", "=", True),
                ("partner_scale", "=", "2"),
                ("state_id", "in", states.ids),
            ]
        )
        crck_by_state = {crck.state_id: crck for crck in crck_ok}
        states_ok = states & crck_ok.mapped("state_id")
        concerned = self.filtered(
            lambda rp: rp.ffck_network
            and int(rp.partner_scale) >= 2
            and rp.state_id in states_ok
        )
        for partner in concerned:
            state = partner.state_id
            partner.crck_partner_id = crck_by_state[state]
        # treat unconcerned
        for partner in self - concerned:
            partner.crck_partner_id = False

    @api.depends(
        "is_company",
        "ffck_network",
        "partner_code",
        "partner_scale",
        "local_partner_id",
        "local_partner_id.partner_code",
        "country_department_id",
        "country_department_id.code",
    )
    def _get_cdck_partner(self):
        structures = self.filtered(
            lambda rp: rp.is_company
            and rp.ffck_network
            and rp.partner_code
            and len(rp.partner_code) >= 2
            and int(rp.partner_scale) in (3, 4)
        )
        licensees = self.filtered(
            lambda rp: not rp.is_company
            and rp.ffck_network
            and int(rp.partner_scale) == 5
            and (
                rp.local_partner_id
                and rp.local_partner_id.cdck_partner_id
                or rp.country_department_id
            )
        )
        dept_codes = self.mapped(
            lambda rp: rp.partner_code
            and len(rp.partner_code) >= 2
            and int(rp.partner_scale) in (3, 4)
            and rp.partner_code[:2]
        )
        cdck_ok = self.with_context(active_test=False).search(
            [
                ("ffck_network", "=", True),
                ("partner_scale", "=", "3"),
                ("partner_code", "in", ["{}00".format(code) for code in dept_codes]),
            ]
        )
        cdck_by_code = {cdck.partner_code[:2]: cdck for cdck in cdck_ok}
        # Treat structures
        for partner in structures:
            partner.cdck_partner_id = cdck_by_code[partner.partner_code[:2]]
        # Treat licensees
        for partner in licensees:
            dept = partner.country_department_id
            local = partner.local_partner_id
            local_cd = local.cdck_partner_id
            partner.cdck_partner_id = (
                local_cd if local and local_cd else cdck_by_code[dept.code]
            )
        # treat others
        for partner in self - (structures | licensees):
            partner.cdck_partner_id = False

    @api.depends(
        "ffck_network",
        "partner_scale",
        "ffck_partner_id",
        "crck_partner_id",
        "cdck_partner_id",
        "local_partner_id",
    )
    def _get_ffck_parent(self):
        field_by_scale = {
            "2": "ffck_partner_id",
            "3": "crck_partner_id",
            "4": "cdck_partner_id",
            "5": "local_partner_id",
        }
        for partner in self:
            if partner.ffck_network and int(partner.partner_scale) in range(2, 6):
                partner.ffck_parent_id = getattr(
                    partner, field_by_scale[partner.partner_scale]
                )
            else:
                partner.ffck_parent_id = False

    # ONCHANGES

    @api.onchange("partner_code", "company_type", "ffck_network")
    def onchange_partner_code(self):
        if self.ffck_network and self.is_company == False:
            code = self.partner_code or "000000"
            if len(code) < 6:
                self.update({"partner_code": code.zfill(6)})
            elif len(code) > 6:
                self.update({"partner_code": code[:-6]})

    # CRUD

    @api.model_create_multi
    def create(self, vals_list):
        for vals in vals_list:
            vals.update({"partner_code_editable": False})
        return super().create(vals_list)