import Add from "@mui/icons-material/Add";
import { AdminSwitch } from "@/shared/ui/AdminSwitch.jsx";
import TextField from "@mui/material/TextField";
import { formatMillis } from "@/shared/utils/time.js";
import { DataState } from "@/shared/ui/DataState.jsx";
import { bdStatusFilters } from "@/features/host-org/constants.js";
import { HostOrgActionModal } from "@/features/host-org/components/HostOrgActionModal.jsx";
import { HostOrgPerson, hostOrgRegionName } from "@/features/host-org/components/HostOrgIdentity.jsx";
import { HostOrgSortHeader } from "@/features/host-org/components/HostOrgSortHeader.jsx";
import { SalaryWalletAdjustButton, SalaryWalletCell } from "@/features/host-org/components/SalaryWalletControls.jsx";
import { HostOrgTable } from "@/features/host-org/components/HostOrgTable.jsx";
import { HostOrgToolbar } from "@/features/host-org/components/HostOrgToolbar.jsx";
import { useHostBdsPage } from "@/features/host-org/hooks/useHostBdsPage.js";
import { AdminRowActions } from "@/shared/ui/AdminListLayout.jsx";
import { createOptionsColumnFilter, createUserIdentityColumnFilter } from "@/shared/ui/tableFilters.js";
import styles from "@/features/host-org/host-org.module.css";

const bdColumns = [
    {
        key: "user",
        label: "用户",
        render: (item) => <BDUser item={item} />,
        width: "minmax(220px, 1.25fr)",
    },
    {
        key: "agencyCount",
        label: "子 Agency",
        render: (item) => <span className={styles.inlineValue}>{formatCount(item.agencyCount)}</span>,
        width: "minmax(110px, 0.65fr)",
    },
    {
        key: "contact",
        label: "联系方式",
        render: (item) => item.contact || "-",
        width: "minmax(150px, 0.85fr)",
    },
    { key: "role", label: "角色", width: "minmax(100px, 0.65fr)" },
    {
        key: "salaryWallet",
        label: "工资钱包",
        sortable: true,
        sortField: "salary_wallet",
        render: (item) => (
            <SalaryWalletCell role="bd" userId={item.userId} userLabel={bdUserLabel(item)} wallet={item.salaryWallet} />
        ),
        width: "minmax(140px, 0.85fr)",
    },
    {
        key: "parentLeaderUserId",
        label: "上级 Leader",
        render: (item) => <ParentLeader item={item} />,
        width: "minmax(220px, 1.25fr)",
    },
    {
        key: "regionId",
        label: "区域",
        render: (item, _index, context) => hostOrgRegionName(item, context?.regionOptions),
        width: "minmax(130px, 0.75fr)",
    },
    {
        key: "status",
        label: "状态",
        render: (item, _index, context) => <BDStatusSwitch item={item} page={context?.page} />,
        width: "minmax(90px, 0.7fr)",
    },
    {
        key: "createdByUserId",
        label: "创建人",
        render: (item) => <Creator item={item} />,
        width: "minmax(180px, 1fr)",
    },
    {
        key: "createdAtMs",
        label: "创建时间",
        render: (item) => formatMillis(item.createdAtMs),
        width: "minmax(170px, 1fr)",
    },
    {
        key: "updatedAtMs",
        label: "更新时间",
        render: (item) => formatMillis(item.updatedAtMs),
        width: "minmax(170px, 1fr)",
    },
];

export function HostBdsPage() {
    const page = useHostBdsPage({ profileType: "bd" });
    const createDisabled = !page.abilities.canCreate;
    const items = page.data.items || [];
    const total = page.data.total || 0;
    const toolbarActions = [
        page.abilities.canCreate
            ? { icon: <Add fontSize="small" />, label: "创建 BD", onClick: page.openBDForm, variant: "primary" }
            : null,
    ].filter(Boolean);
    const columns = [
        ...bdColumns,
        page.abilities.canSalaryAdjust
            ? {
                  key: "actions",
                  label: "操作",
                  render: (item, _index, context) => <BDActions item={item} page={context?.page} />,
                  width: "minmax(80px, 0.45fr)",
              }
            : null,
    ]
        .filter(Boolean)
        .map((column) => {
            if (column.key === "user") {
                return {
                    ...column,
                    filter: createUserIdentityColumnFilter({
                        value: page.userFilter,
                        onChange: page.changeUserFilter,
                    }),
                };
            }
            if (column.key === "parentLeaderUserId") {
                return {
                    ...column,
                    filter: createUserIdentityColumnFilter({
                        value: page.parentLeaderFilter,
                        onChange: page.changeParentLeaderFilter,
                    }),
                };
            }
            if (column.key === "status") {
                return {
                    ...column,
                    filter: createOptionsColumnFilter({
                        options: bdStatusFilters,
                        placeholder: "搜索状态",
                        value: page.status,
                        onChange: page.changeStatus,
                    }),
                };
            }
            if (column.sortable) {
                return {
                    ...column,
                    header: (
                        <HostOrgSortHeader
                            field={column.sortField}
                            label={column.label}
                            sortBy={page.sortBy}
                            sortDirection={page.sortDirection}
                            onToggle={page.changeSort}
                        />
                    ),
                };
            }
            return column;
        });

    return (
        <section className={styles.root}>
            <div className={styles.contentPanel}>
                <HostOrgToolbar actions={toolbarActions} />

                <DataState error={page.error} loading={page.loading} onRetry={page.reload}>
                    <div className={styles.listBlock}>
                        <HostOrgTable
                            columns={columns}
                            context={{ page, regionOptions: page.regionOptions }}
                            items={items}
                            minWidth="1550px"
                            pagination={
                                total > 0
                                    ? {
                                          page: page.page,
                                          pageSize: page.data.pageSize || 50,
                                          total,
                                          onPageChange: page.setPage,
                                      }
                                    : undefined
                            }
                            rowKey={(item) => `bd-${item.userId}`}
                        />
                    </div>
                </DataState>
            </div>

            <HostOrgActionModal
                disabled={createDisabled}
                loading={page.loadingAction === "bd"}
                open={page.activeAction === "bd"}
                sectionTitle="BD 信息"
                onClose={page.closeAction}
                onSubmit={page.submitBD}
                title="创建 BD"
            >
                <TextField
                    disabled={createDisabled}
                    label="用户短 ID"
                    required
                    type="number"
                    value={page.bdForm.targetUserId}
                    onChange={(event) => page.setBDForm({ ...page.bdForm, targetUserId: event.target.value })}
                />
                <TextField
                    disabled={createDisabled}
                    label="上级 Leader 短 ID"
                    type="number"
                    value={page.bdForm.parentLeaderUserId}
                    onChange={(event) => page.setBDForm({ ...page.bdForm, parentLeaderUserId: event.target.value })}
                />
                <TextField
                    disabled={createDisabled}
                    label="原因"
                    multiline
                    minRows={2}
                    value={page.bdForm.reason}
                    onChange={(event) => page.setBDForm({ ...page.bdForm, reason: event.target.value })}
                />
            </HostOrgActionModal>
        </section>
    );
}

function BDUser({ item }) {
    return (
        <HostOrgPerson
            avatar={item.avatar}
            displayUserId={item.displayUserId}
            fallbackId={item.userId}
            username={item.username}
        />
    );
}

function ParentLeader({ item }) {
    if (!item.parentLeaderUserId) {
        return "-";
    }
    return (
        <HostOrgPerson
            avatar={item.parentLeaderAvatar}
            displayUserId={item.parentLeaderDisplayUserId}
            fallbackId={item.parentLeaderUserId}
            username={item.parentLeaderUsername || "Leader"}
        />
    );
}

function BDStatusSwitch({ item, page }) {
    return (
        <AdminSwitch
            checked={item.status === "active"}
            disabled={!page?.abilities.canUpdate || page.loadingAction === `bd-status-${item.userId}`}
            inputProps={{ "aria-label": item.status === "active" ? "停用 BD" : "启用 BD" }}
            onChange={(event) => page.toggleBD(item, event.target.checked)}
        />
    );
}

function Creator({ item }) {
    if (!item.createdByUserId && !item.createdByDisplayUserId && !item.createdByUsername) {
        return "-";
    }
    return (
        <HostOrgPerson
            avatar={item.createdByAvatar}
            displayUserId={item.createdByDisplayUserId}
            fallbackId={item.createdByUserId}
            username={item.createdByUsername || "创建人"}
        />
    );
}

function BDActions({ item, page }) {
    return (
        <AdminRowActions>
            <SalaryWalletAdjustButton
                role="bd"
                userId={item.userId}
                userLabel={bdUserLabel(item)}
                onAdjusted={page?.reload}
            />
        </AdminRowActions>
    );
}

function bdUserLabel(item) {
    return item.displayUserId || item.username || item.userId;
}

function formatCount(value) {
    return Number(value || 0).toLocaleString("zh-CN");
}
