import { t } from "@lingui/macro";
import { customElement, html, property, TemplateResult } from "lit-element";
import { AKResponse } from "../../api/Client";
import { Table, TableColumn } from "../../elements/table/Table";
import { PoliciesApi, PolicyBinding } from "authentik-api";

import "../../elements/forms/DeleteForm";
import "../../elements/Tabs";
import "../../elements/forms/ProxyForm";
import "../../elements/buttons/SpinnerButton";
import "../../elements/buttons/Dropdown";
import { until } from "lit-html/directives/until";
import { PAGE_SIZE } from "../../constants";
import { DEFAULT_CONFIG } from "../../api/Config";

import "../../elements/forms/ModalForm";
import "../groups/GroupForm";
import "../users/UserForm";
import "./PolicyBindingForm";
import { ifDefined } from "lit-html/directives/if-defined";
import { PFSize } from "../../elements/Spinner";

@customElement("ak-bound-policies-list")
export class BoundPoliciesList extends Table<PolicyBinding> {
    @property()
    target?: string;

    @property({type: Boolean})
    policyOnly = false;

    apiEndpoint(page: number): Promise<AKResponse<PolicyBinding>> {
        return new PoliciesApi(DEFAULT_CONFIG).policiesBindingsList({
            target: this.target || "",
            ordering: "order",
            page: page,
            pageSize: PAGE_SIZE,
        });
    }

    columns(): TableColumn[] {
        return [
            new TableColumn(t`Policy / User / Group`),
            new TableColumn(t`Enabled`, "enabled"),
            new TableColumn(t`Order`, "order"),
            new TableColumn(t`Timeout`, "timeout"),
            new TableColumn(""),
        ];
    }

    getPolicyUserGroupRow(item: PolicyBinding): string {
        if (item.policy) {
            return t`Policy ${item.policyObj?.name}`;
        } else if (item.group) {
            return t`Group ${item.groupObj?.name}`;
        } else if (item.user) {
            return t`User ${item.userObj?.name}`;
        } else {
            return t`-`;
        }
    }

    getObjectEditButton(item: PolicyBinding): TemplateResult {
        if (item.policy) {
            return html`
            <ak-forms-modal>
                <span slot="submit">
                    ${t`Update`}
                </span>
                <span slot="header">
                    ${t`Update ${item.policyObj?.name}`}
                </span>
                <ak-proxy-form
                    slot="form"
                    .args=${{
                        "instancePk": item.policyObj?.pk
                    }}
                    type=${ifDefined(item.policyObj?.component)}>
                </ak-proxy-form>
                <button slot="trigger" class="pf-c-button pf-m-secondary">
                    ${t`Edit Policy`}
                </button>
            </ak-forms-modal>`;
        } else if (item.group) {
            return html`<ak-forms-modal>
                <span slot="submit">
                    ${t`Update`}
                </span>
                <span slot="header">
                    ${t`Update Group`}
                </span>
                <ak-group-form slot="form" .instancePk=${item.groupObj?.pk}>
                </ak-group-form>
                <button slot="trigger" class="pf-c-button pf-m-secondary">
                    ${t`Edit Group`}
                </button>
            </ak-forms-modal>`;
        } else if (item.user) {
            return html`<ak-forms-modal>
                <span slot="submit">
                    ${t`Update`}
                </span>
                <span slot="header">
                    ${t`Update User`}
                </span>
                <ak-user-form slot="form" .instancePk=${item.userObj?.pk}>
                </ak-user-form>
                <button slot="trigger" class="pf-c-button pf-m-secondary">
                    ${t`Edit User`}
                </button>
            </ak-forms-modal>`;
        } else {
            return html``;
        }
    }

    row(item: PolicyBinding): TemplateResult[] {
        return [
            html`${this.getPolicyUserGroupRow(item)}`,
            html`${item.enabled ? t`Yes` : t`No`}`,
            html`${item.order}`,
            html`${item.timeout}`,
            html`
            ${this.getObjectEditButton(item)}
            <ak-forms-modal size=${PFSize.Medium}>
                <span slot="submit">
                    ${t`Update`}
                </span>
                <span slot="header">
                    ${t`Update Binding`}
                </span>
                <ak-policy-binding-form slot="form" .instancePk=${item.pk} targetPk=${ifDefined(this.target)} ?policyOnly=${this.policyOnly}>
                </ak-policy-binding-form>
                <button slot="trigger" class="pf-c-button pf-m-secondary">
                    ${t`Edit Binding`}
                </button>
            </ak-forms-modal>
            <ak-forms-delete
                .obj=${item}
                objectLabel=${t`Policy binding`}
                .usedBy=${() => {
                    return new PoliciesApi(DEFAULT_CONFIG).policiesBindingsUsedByList({
                        policyBindingUuid: item.pk
                    });
                }}
                .delete=${() => {
                    return new PoliciesApi(DEFAULT_CONFIG).policiesBindingsDestroy({
                        policyBindingUuid: item.pk,
                    });
                }}>
                <button slot="trigger" class="pf-c-button pf-m-danger">
                    ${t`Delete Binding`}
                </button>
            </ak-forms-delete>`,
        ];
    }

    renderEmpty(): TemplateResult {
        return super.renderEmpty(html`<ak-empty-state header=${t`No Policies bound.`} icon="pf-icon-module">
            <div slot="body">
                ${t`No policies are currently bound to this object.`}
            </div>
            <div slot="primary">
                <ak-forms-modal size=${PFSize.Medium}>
                    <span slot="submit">
                        ${t`Create`}
                    </span>
                    <span slot="header">
                        ${t`Create Binding`}
                    </span>
                    <ak-policy-binding-form slot="form" targetPk=${ifDefined(this.target)} ?policyOnly=${this.policyOnly}>
                    </ak-policy-binding-form>
                    <button slot="trigger" class="pf-c-button pf-m-primary">
                        ${t`Create Binding`}
                    </button>
                </ak-forms-modal>
            </div>
        </ak-empty-state>`);
    }

    renderToolbar(): TemplateResult {
        return html`
        <ak-forms-modal size=${PFSize.Medium}>
            <span slot="submit">
                ${t`Create`}
            </span>
            <span slot="header">
                ${t`Create Binding`}
            </span>
            <ak-policy-binding-form slot="form" targetPk=${ifDefined(this.target)} ?policyOnly=${this.policyOnly}>
            </ak-policy-binding-form>
            <button slot="trigger" class="pf-c-button pf-m-primary">
                ${t`Create Binding`}
            </button>
        </ak-forms-modal>
        <ak-dropdown class="pf-c-dropdown">
            <button class="pf-m-secondary pf-c-button pf-c-dropdown__toggle" type="button">
                <span class="pf-c-dropdown__toggle-text">${t`Create Policy`}</span>
                <i class="fas fa-caret-down pf-c-dropdown__toggle-icon" aria-hidden="true"></i>
            </button>
            <ul class="pf-c-dropdown__menu" hidden>
                ${until(new PoliciesApi(DEFAULT_CONFIG).policiesAllTypesList().then((types) => {
                    return types.map((type) => {
                        return html`<li>
                            <ak-forms-modal>
                                <span slot="submit">
                                    ${t`Create`}
                                </span>
                                <span slot="header">
                                    ${t`Create ${type.name}`}
                                </span>
                                <ak-proxy-form
                                    slot="form"
                                    type=${type.component}>
                                </ak-proxy-form>
                                <button slot="trigger" class="pf-c-dropdown__menu-item">
                                    ${type.name}<br>
                                    <small>${type.description}</small>
                                </button>
                            </ak-forms-modal>
                        </li>`;
                    });
                }), html`<ak-spinner></ak-spinner>`)}
            </ul>
        </ak-dropdown>
        ${super.renderToolbar()}`;
    }
}
