import { BasePolicyForm } from "@goauthentik/admin/policies/BasePolicyForm";
import { DEFAULT_CONFIG } from "@goauthentik/common/api/config";
import "@goauthentik/elements/ak-dual-select";
import { DataProvision, DualSelectPair } from "@goauthentik/elements/ak-dual-select/types";
import "@goauthentik/elements/forms/FormGroup";
import "@goauthentik/elements/forms/HorizontalFormElement";
import "@goauthentik/elements/forms/SearchSelect";

import { msg } from "@lit/localize";
import { TemplateResult, html } from "lit";
import { customElement } from "lit/decorators.js";

import { DetailedCountry, GeoIPPolicy, PoliciesApi } from "@goauthentik/api";

import { countryCache } from "./CountryCache";

function countryToPair(country: DetailedCountry): DualSelectPair {
    return [country.code, country.name, country.name];
}

@customElement("ak-policy-geoip-form")
export class GeoIPPolicyForm extends BasePolicyForm<GeoIPPolicy> {
    loadInstance(pk: string): Promise<GeoIPPolicy> {
        return new PoliciesApi(DEFAULT_CONFIG).policiesGeoipRetrieve({
            policyUuid: pk,
        });
    }

    async send(data: GeoIPPolicy): Promise<GeoIPPolicy> {
        if (data.asns?.toString() === "") {
            data.asns = [];
        } else {
            data.asns = (data.asns as unknown as string).split(",").map(Number);
        }

        if (this.instance) {
            return new PoliciesApi(DEFAULT_CONFIG).policiesGeoipUpdate({
                policyUuid: this.instance.pk || "",
                geoIPPolicyRequest: data,
            });
        }
        return new PoliciesApi(DEFAULT_CONFIG).policiesGeoipCreate({
            geoIPPolicyRequest: data,
        });
    }

    renderForm(): TemplateResult {
        return html`<span>
                ${msg(
                    "Ensure the user satisfies requirements of geography or network topology, based on IP address. If any of the configured values match, the policy passes.",
                )}
            </span>
            <ak-form-element-horizontal label=${msg("Name")} required name="name">
                <input
                    type="text"
                    value="${this.instance?.name ?? ""}"
                    class="pf-c-form-control"
                    required
                />
            </ak-form-element-horizontal>
            <ak-form-element-horizontal name="executionLogging">
                <label class="pf-c-switch">
                    <input
                        class="pf-c-switch__input"
                        type="checkbox"
                        ?checked=${this.instance?.executionLogging ?? false}
                    />
                    <span class="pf-c-switch__toggle">
                        <span class="pf-c-switch__toggle-icon">
                            <i class="fas fa-check" aria-hidden="true"></i>
                        </span>
                    </span>
                    <span class="pf-c-switch__label">${msg("Execution logging")}</span>
                </label>
                <p class="pf-c-form__helper-text">
                    ${msg(
                        "When this option is enabled, all executions of this policy will be logged. By default, only execution errors are logged.",
                    )}
                </p>
            </ak-form-element-horizontal>
            <ak-form-group>
                <span slot="header"> ${msg("Distance settings")} </span>
                <div slot="body" class="pf-c-form">
                    <ak-form-element-horizontal name="checkHistoryDistance">
                        <label class="pf-c-switch">
                            <input
                                class="pf-c-switch__input"
                                type="checkbox"
                                ?checked=${this.instance?.checkHistoryDistance ?? false}
                            />
                            <span class="pf-c-switch__toggle">
                                <span class="pf-c-switch__toggle-icon">
                                    <i class="fas fa-check" aria-hidden="true"></i>
                                </span>
                            </span>
                            <span class="pf-c-switch__label"
                                >${msg("Check historical distance of logins")}</span
                            >
                        </label>
                        <p class="pf-c-form__helper-text">
                            ${msg(
                                "When this option enabled, the GeoIP data of the policy request is compared to the specified number of historical logins.",
                            )}
                        </p>
                    </ak-form-element-horizontal>
                    <ak-form-element-horizontal
                        label=${msg("Maximum distance")}
                        name="historyMaxDistanceKm"
                    >
                        <input
                            type="number"
                            min="1"
                            value="${this.instance?.historyMaxDistanceKm ?? 100}"
                            class="pf-c-form-control"
                        />
                        <p class="pf-c-form__helper-text">
                            ${msg(
                                "Maximum distance a login attempt is allowed from in kilometers.",
                            )}
                        </p>
                    </ak-form-element-horizontal>
                    <ak-form-element-horizontal
                        label=${msg("Distance tolerance")}
                        name="distanceToleranceKm"
                    >
                        <input
                            type="number"
                            min="1"
                            value="${this.instance?.distanceToleranceKm ?? 50}"
                            class="pf-c-form-control"
                        />
                        <p class="pf-c-form__helper-text">
                            ${msg("Tolerance in checking for distances in kilometers.")}
                        </p>
                    </ak-form-element-horizontal>
                    <ak-form-element-horizontal
                        label=${msg("Historical Login Count")}
                        name="historyLoginCount"
                    >
                        <input
                            type="number"
                            min="1"
                            value="${this.instance?.historyLoginCount ?? 5}"
                            class="pf-c-form-control"
                        />
                        <p class="pf-c-form__helper-text">
                            ${msg("Amount of previous login events to check against.")}
                        </p>
                    </ak-form-element-horizontal>
                    <ak-form-element-horizontal name="checkImpossibleTravel">
                        <label class="pf-c-switch">
                            <input
                                class="pf-c-switch__input"
                                type="checkbox"
                                ?checked=${this.instance?.checkImpossibleTravel ?? true}
                            />
                            <span class="pf-c-switch__toggle">
                                <span class="pf-c-switch__toggle-icon">
                                    <i class="fas fa-check" aria-hidden="true"></i>
                                </span>
                            </span>
                            <span class="pf-c-switch__label"
                                >${msg("Check impossible travel")}</span
                            >
                        </label>
                        <p class="pf-c-form__helper-text">
                            ${msg(
                                "When this option enabled, the GeoIP data of the policy request is compared to the specified number of historical logins and if the travel would have been possible in the amount of time since the previous event.",
                            )}
                        </p>
                    </ak-form-element-horizontal>
                    <ak-form-element-horizontal
                        label=${msg("Impossible travel tolerance")}
                        name="impossibleToleranceKm"
                    >
                        <input
                            type="number"
                            min="1"
                            value="${this.instance?.impossibleToleranceKm ?? 50}"
                            class="pf-c-form-control"
                        />
                        <p class="pf-c-form__helper-text">
                            ${msg("Tolerance in checking for distances in kilometers.")}
                        </p>
                    </ak-form-element-horizontal>
                </div>
            </ak-form-group>
            <ak-form-group>
                <span slot="header">${msg("Static rule settings")}</span>
                <div slot="body" class="pf-c-form">
                    <ak-form-element-horizontal label=${msg("ASNs")} name="asns">
                        <input
                            type="text"
                            value="${this.instance?.asns?.join(",") ?? ""}"
                            class="pf-c-form-control pf-m-monospace"
                            autocomplete="off"
                            spellcheck="false"
                        />
                        <p class="pf-c-form__helper-text">
                            ${msg(
                                "List of autonomous system numbers. Comma separated. E.g. 13335, 15169, 20940",
                            )}
                        </p>
                    </ak-form-element-horizontal>
                    <ak-form-element-horizontal label=${msg("Countries")} name="countries">
                        <ak-dual-select-provider
                            .provider=${(page: number, search?: string): Promise<DataProvision> => {
                                return countryCache
                                    .getCountries()
                                    .then((results) => {
                                        if (!search) return results;

                                        return results.filter((result) =>
                                            result.name
                                                .toLowerCase()
                                                .includes(search.toLowerCase()),
                                        );
                                    })
                                    .then((results) => ({
                                        options: results.map(countryToPair),
                                    }));
                            }}
                            .selected=${(this.instance?.countriesObj ?? []).map(countryToPair)}
                            available-label="${msg("Available Countries")}"
                            selected-label="${msg("Selected Countries")}"
                        >
                        </ak-dual-select-provider>
                    </ak-form-element-horizontal>
                </div>
            </ak-form-group>`;
    }
}