import Avatar from "@mui/material/Avatar";
import { CumulativeRechargeRewardConfigDrawer } from "@/features/cumulative-recharge-reward/components/CumulativeRechargeRewardConfigDrawer.jsx";
import { CumulativeRechargeRewardConfigSummary } from "@/features/cumulative-recharge-reward/components/CumulativeRechargeRewardConfigSummary.jsx";
import { useCumulativeRechargeRewardPage } from "@/features/cumulative-recharge-reward/hooks/useCumulativeRechargeRewardPage.js";
import styles from "@/features/cumulative-recharge-reward/cumulative-recharge-reward.module.css";
import { AdminListBody, AdminListPage } from "@/shared/ui/AdminListLayout.jsx";
import { DataState } from "@/shared/ui/DataState.jsx";
import { DataTable } from "@/shared/ui/DataTable.jsx";
import { createOptionsColumnFilter, createTextColumnFilter } from "@/shared/ui/tableFilters.js";
import { formatMillis } from "@/shared/utils/time.js";

const grantStatusOptions = [
    ["pending", "发放中"],
    ["granted", "已发放"],
    ["failed", "发放失败"],
];

const columnsBase = [
    {
        key: "user",
        label: "用户信息",
        width: "minmax(260px, 1.1fr)",
        render: (grant) => <GrantUser grant={grant} />,
    },
    {
        key: "cycle",
        label: "周期",
        width: "minmax(150px, 0.7fr)",
        render: (grant) => grant.cycleKey || "-",
    },
    {
        key: "tier",
        label: "命中档位",
        width: "minmax(190px, 0.85fr)",
        render: (grant) => (
            <div className={styles.stack}>
                <span>{grant.tierCode || "-"}</span>
                <span className={styles.meta}>{formatUSD(grant.thresholdUsdMinor)}</span>
            </div>
        ),
    },
    {
        key: "amount",
        label: "累计 / 本次",
        width: "minmax(210px, 0.9fr)",
        render: (grant) => (
            <div className={styles.stack}>
                <span>{formatUSD(grant.reachedUsdMinor)}</span>
                <span className={styles.meta}>本次 {formatUSD(grant.qualifyingUsdMinor)}</span>
            </div>
        ),
    },
    {
        key: "source",
        label: "来源",
        width: "minmax(190px, 0.85fr)",
        render: (grant) => (
            <div className={styles.stack}>
                <span>{grant.rechargeType || "-"}</span>
                <span className={styles.meta}>
                    {grant.rechargeCoinAmount ? `${formatNumber(grant.rechargeCoinAmount)} 金币` : "-"}
                </span>
            </div>
        ),
    },
    {
        key: "status",
        label: "状态",
        width: "minmax(120px, 0.55fr)",
        render: (grant) => grantStatusLabel(grant.status),
    },
    {
        key: "createdAt",
        label: "创建时间",
        width: "minmax(180px, 0.85fr)",
        render: (grant) => formatMillis(grant.createdAtMs),
    },
    {
        key: "grantId",
        label: "记录",
        width: "minmax(280px, 1fr)",
        render: (grant) => (
            <div className={styles.stack}>
                <span>{grant.grantId}</span>
                <span className={styles.meta}>{grant.transactionId || grant.eventId || "-"}</span>
            </div>
        ),
    },
    {
        key: "failure",
        label: "失败原因",
        width: "minmax(180px, 0.85fr)",
        render: (grant) => grant.failureReason || "-",
    },
];

export function CumulativeRechargeRewardPage() {
    const page = useCumulativeRechargeRewardPage();
    const total = page.grants.total || 0;
    const columns = columnsBase.map((column) => {
        if (column.key === "user") {
            return {
                ...column,
                filter: createTextColumnFilter({
                    placeholder: "搜索用户 ID、短号、名称",
                    value: page.query,
                    onChange: page.changeQuery,
                }),
            };
        }
        if (column.key === "cycle") {
            return {
                ...column,
                filter: createTextColumnFilter({
                    placeholder: "周期，如 2026-W23",
                    value: page.cycleKey,
                    onChange: page.changeCycleKey,
                }),
            };
        }
        if (column.key === "status") {
            return {
                ...column,
                filter: createOptionsColumnFilter({
                    options: [["", "全部状态"], ...grantStatusOptions],
                    placeholder: "搜索状态",
                    value: page.status,
                    onChange: page.changeStatus,
                }),
            };
        }
        return column;
    });

    return (
        <AdminListPage>
            <CumulativeRechargeRewardConfigSummary
                canUpdate={page.abilities.canUpdate}
                config={page.config}
                configLoading={page.configLoading}
                resourceGroups={page.resourceGroups}
                onEdit={page.openConfigDrawer}
                onRefresh={page.reloadConfig}
            />
            <DataState error={page.grantsError} loading={page.grantsLoading} onRetry={page.reloadGrants}>
                <AdminListBody>
                    <DataTable
                        columns={columns}
                        items={page.grants.items || []}
                        minWidth="1500px"
                        pagination={
                            total > 0
                                ? {
                                      page: page.page,
                                      pageSize: page.grants.pageSize || 50,
                                      total,
                                      onPageChange: page.setPage,
                                  }
                                : undefined
                        }
                        rowKey={(grant) => grant.grantId}
                    />
                </AdminListBody>
            </DataState>
            <CumulativeRechargeRewardConfigDrawer
                abilities={page.abilities}
                configLoading={page.configLoading}
                configSaving={page.configSaving}
                form={page.form}
                open={page.configDrawerOpen}
                resourceGroups={page.resourceGroups}
                setForm={page.setForm}
                onClose={page.closeConfigDrawer}
                onSubmit={page.submitConfig}
            />
        </AdminListPage>
    );
}

function GrantUser({ grant }) {
    const user = grant.user || {};
    return (
        <div className={styles.identity}>
            <Avatar
                alt={user.username || String(grant.userId)}
                src={user.avatar || ""}
                sx={{ width: 36, height: 36 }}
            />
            <div className={styles.stack}>
                <span className={styles.name}>{user.username || `用户 ${grant.userId}`}</span>
                <span className={styles.meta}>
                    {user.displayUserId ? `短号 ${user.displayUserId}` : `ID ${grant.userId}`}
                </span>
            </div>
        </div>
    );
}

function grantStatusLabel(status) {
    return grantStatusOptions.find(([value]) => value === status)?.[1] || status || "-";
}

function formatUSD(value) {
    return `$${(Number(value || 0) / 100).toFixed(2)}`;
}

function formatNumber(value) {
    return new Intl.NumberFormat("zh-CN").format(Number(value || 0));
}
