<?php

namespace App\Business;

use App\Models\Business\BankAccount;
use App\Models\Business\BusinessModel;
use App\Models\Business\CompanyCancellation;
use App\Models\Business\CompanyChange;
use App\Models\Business\CompanyInformation;
use App\Models\Business\CompanyRegistration;
use App\Models\Business\CompanyStoreData;
use App\Models\Business\ExpressReceiving;
use App\Models\Business\FundForecast;
use App\Models\Business\InvoiceBasic;
use App\Models\Business\InstallationDetail;
use App\Models\Business\StoreChange;
use App\Models\Business\StoreChangeLog;
use App\Models\Business\StoreClosing;
use App\Models\Business\StoreInformation;
use App\Models\Business\StoreInvoice;
use App\Models\Business\StoreOpening;
use App\Models\Business\StoreReceivingAccount;
use App\Models\Business\SwActualStatistics;
use App\Models\Business\SwPlanning;
use App\Models\Business\TaxData;
use App\Models\Business\Trademark;
use App\Utilities\BusinessNavigation;
use Illuminate\Support\Arr;

/**
 * Central registry that maps a navigation (section, page[, tab]) tuple to the
 * corresponding Eloquent model, field metadata, and Excel sheet name. This
 * drives the dynamic CRUD views so we don't have to hand-write 11 controllers
 * and 11 blade templates.
 */
class TableRegistry
{
    /**
     * Field type hints used by the Blade form renderer.
     *   text|number|date|boolean|select|textarea|currency
     */
    private const FIELD_TYPES = [
        'change_date'                => 'date',
        'opened_at'                  => 'date',
        'establishment_date'         => 'date',
        'registration_date'          => 'date',
        'expiry_date'                => 'date',
        'invoice_date'                => 'date',
        'trigger_store_change'       => 'boolean',
        'trigger_company_register'    => 'boolean',
        'invoice_type'                => 'select',
        'account_type'                => 'select',
        'receiving_method'            => 'select',
        'platform'                    => 'select',
        'receiving_type'              => 'select',
        'notes'                       => 'textarea',
        'business_scope'              => 'textarea',
        'shareholders'                => 'textarea',
        'subscribed_capital'          => 'number',
    ];

    private const SELECT_OPTIONS = [
        'invoice_type' => ['普票', '专票'],
        'account_type' => ['基本户', '一般户', '个人账户', '个人微信', '个人支付宝'],
        'receiving_method' => ['支付宝', '银行卡'],
        'platform' => ['京东', '抖音', '拼多多', '淘宝', '天猫', '淘工厂', '唯品会', '得物'],
        'receiving_type' => ['对公', '个人'],
    ];

    private const COLUMN_LABELS = [
        'unified_social_credit_code' => '统一社会信用代码',
        'company_name' => '公司名称',
        'subscribed_capital' => '认缴注册资本（万元）',
        'company_type' => '类型',
        'legal_representative' => '法定代表人',
        'establishment_date' => '成立日期',
        'registration_status' => '注册状态',
        'registered_address' => '注册地址(住所)',
        'business_scope' => '经营范围',
        'basic_deposit_account_number' => '基本存款账户编号',
        'company_status' => '公司状态',
        'financial_officer' => '财务负责人',
        'supervisor' => '监事',
        'taxpayer_category' => '纳税类别及类型',
        'shareholders' => '股东',
        'notes' => '备注',
        'registration_type' => '注册类型',
        'change_type' => '变更类型',
        'change_status' => '变更状态',
        'change_date' => '变更日期',
        'cancellation_status' => '注销状态',
        'trademark_name' => '商标名称',
        'trademark_type' => '商标类型',
        'trademark_status' => '商标状态',
        'registration_date' => '注册日期',
        'expiry_date' => '到期日期',
        'opened_at' => '开店时间',
        'erp_store_name' => 'ERP系统店铺名称',
        'trademark_number' => '商标号',
        'platform' => '平台',
        'profit_center' => '店铺所属利润中心',
        'store_manager' => '店铺负责人',
        'store_status' => '店铺状态',
        'store_type' => '店铺类型',
        'channel_mode' => '渠道模式',
        'store_name' => '店铺名称',
        'store_platform' => '店铺平台',
        'opening_status' => '开店状态',
        'closing_status' => '关店状态',
        'store_entity' => '店铺主体',
        'receiving_account_info' => '收款账户信息',
        'historical_entity' => '历史主体',
    ];

    /**
     * Currency columns (rendered with two decimals and right-aligned).
     */
    private const CURRENCY_HINTS = [
        'real_ship_revenue', 'zhongcai_revenue', 'refund_amount', 'net_revenue',
        'tax_revenue', 'tax_refund', 'tax_net_revenue', 'revenue_diff', 'final_tax_revenue',
        'product_cost', 'logistics_cost', 'platform_invoice', 'labor_cost',
        'other_reimbursement', 'profit',
        'provided_revenue', 'declared_revenue',
        'goods_special_amount', 'goods_special_tax', 'goods_normal_amount', 'goods_normal_tax',
        'goods_unbilled_amount', 'goods_unbilled_tax', 'goods_subtotal_amount', 'goods_subtotal_tax',
        'service_special_amount', 'service_special_tax', 'service_normal_amount', 'service_normal_tax',
        'service_unbilled_amount', 'service_unbilled_tax', 'service_subtotal_amount', 'service_subtotal_tax',
        'total_revenue', 'total_tax',
        'input_goods_amount', 'input_goods_tax', 'input_service_amount', 'input_service_tax',
        'input_other_amount', 'input_other_tax', 'input_subtotal_amount', 'input_subtotal_tax',
        'extra_credit', 'retained_credit', 'vat_payable', 'city_tax', 'education_surcharge',
        'local_education_surcharge', 'stamp_tax', 'union_fee', 'individual_tax', 'income_tax',
        'garbage_fee', 'other_penalty', 'total_tax_paid',
        'store_revenue', 'company_revenue',
        'invoice_limit', 'output_amount', 'input_amount',
        'invoice_amount',
    ];

    /**
     * Map (section_slug / page_slug) -> Model class.
     * Tabs reuse the same model but filter by an extra column.
     */
    private static function routeMap(): array
    {
        return [
            'company-management/basic-information'         => CompanyInformation::class,
            'company-management/subject-operating-report' => StoreInformation::class,
            'company-management/registration'              => CompanyRegistration::class,
            'company-management/changes'                   => CompanyChange::class,
            'company-management/cancellation'              => CompanyCancellation::class,
            'company-management/tax-data'                  => TaxData::class,
            'company-management/store-data'                => CompanyStoreData::class,
            'trademark-management/registration'            => Trademark::class,
            'trademark-management/changes'                 => Trademark::class,
            'trademark-management/renewal'                 => Trademark::class,
            'trademark-management/information'             => Trademark::class,
            'store-management/basic-information'           => StoreInformation::class,
            'store-management/store-accounts'              => StoreInformation::class,
            'store-management/store-report'                => StoreInformation::class,
            'store-management/opening-process'             => StoreOpening::class,
            'store-management/changes'                     => StoreChange::class,
            'store-management/closing-process'             => StoreClosing::class,
            'financial-sw/planning'                          => SwPlanning::class,
            'financial-sw/actual-statistics'                => SwActualStatistics::class,
            'store-management/change-log'                   => StoreChangeLog::class,
            'invoice-management/basic-information'          => InvoiceBasic::class,
            'invoice-management/store-backend-invoicing'   => StoreInvoice::class,
            'fund-management/fund-forecast'                  => FundForecast::class,
            'fund-management/store-receiving-accounts'     => StoreReceivingAccount::class,
            'fund-management/bank-accounts'                  => BankAccount::class,
            'fund-management/shared-company-accounts'        => BankAccount::class, // 重用 BankAccount，仅类型过滤
            'billing-transactions/store-receiving-balance'  => StoreReceivingAccount::class,
            'financial-operations/installation-details'      => InstallationDetail::class,
        ];
    }

    /**
     * Resolve the model class for a given navigation triple.
     * Returns null if no model is registered (page is purely descriptive).
     */
    public static function modelClassFor(string $section, string $page, ?string $tab = null): ?string
    {
        $key = "{$section}/{$page}";

        $map = self::routeMap();

        // For store-receiving-accounts tabs, we route by platform (tab slug).
        if ($key === 'fund-management/store-receiving-accounts') {
            return StoreReceivingAccount::class;
        }

        return $map[$key] ?? null;
    }

    /**
     * Build the descriptor used by the Blade view to render the table.
     */
    public static function describe(string $section, string $page, ?string $tab = null): ?TableDescriptor
    {
        if ($section === 'fund-management' && $page === 'store-receiving-accounts') {
            return new TableDescriptor(
                model: StoreReceivingAccount::class,
                table: (new StoreReceivingAccount())->getTable(),
                fields: self::storeReceivingAccountFields($tab),
                tab: $tab,
                tabFilterColumn: $tab ? 'store_platform' : null,
                readOnly: false,
            );
        }

        $modelClass = self::modelClassFor($section, $page, $tab);
        if (! $modelClass) {
            return null;
        }

        $instance = new $modelClass();
        $labels = method_exists($modelClass, 'columnLabels')
            ? $modelClass::columnLabels()
            : [];
        $fieldTypes = method_exists($modelClass, 'fieldTypes')
            ? $modelClass::fieldTypes()
            : [];
        $columns = self::isUpstreamReadOnly($section, $page)
            ? $instance->getFillable()
            : $instance->getConnection()->getSchemaBuilder()->getColumnListing($instance->getTable());

        // Drop meta columns from the rendered table.
        $visible = array_values(array_filter($columns, function (string $col) {
            return ! in_array($col, ['id', 'company_id', 'created_at', 'updated_at', 'deleted_at'], true);
        }));

        $fields = [];
        foreach ($visible as $col) {
            $fields[] = [
                'name'     => $col,
                'label'    => $labels[$col] ?? self::COLUMN_LABELS[$col] ?? ucfirst(str_replace('_', ' ', $col)),
                'type'     => $fieldTypes[$col] ?? self::fieldType($col),
                'options'  => self::selectOptions($col),
                'currency' => in_array($col, self::CURRENCY_HINTS, true),
            ];
        }

        return new TableDescriptor(
            model: $modelClass,
            table: $instance->getTable(),
            fields: $fields,
            tab: $tab,
            tabFilterColumn: $tab ? self::tabFilterColumn($section, $page) : null,
            readOnly: self::isUpstreamReadOnly($section, $page),
        );
    }

    private static function isUpstreamReadOnly(string $section, string $page): bool
    {
        return in_array("{$section}/{$page}", [
            'company-management/basic-information',
            'company-management/subject-operating-report',
            'store-management/basic-information',
            'store-management/store-accounts',
            'store-management/store-report',
            'trademark-management/information',
            'financial-operations/installation-details',
        ], true);
    }

    private static function fieldType(string $column): string
    {
        return self::FIELD_TYPES[$column] ?? (
            str_contains($column, '_budget') || str_contains($column, '_actual')
                ? 'currency'
                : (in_array($column, self::CURRENCY_HINTS, true) ? 'currency' : 'text')
        );
    }

    private static function selectOptions(string $column): ?array
    {
        return self::SELECT_OPTIONS[$column] ?? null;
    }

    /**
     * For pages with tabs, the column used to filter by tab slug.
     */
    private static function tabFilterColumn(string $section, string $page): ?string
    {
        $key = "{$section}/{$page}";

        return match ($key) {
            'fund-management/store-receiving-accounts'  => 'store_platform',
            default => null,
        };
    }

    /**
     * For "shared-company-accounts" page we only show bank accounts that are
     * marked as shared (account_type == '基本户' by convention).
     */
    public static function fixedFilters(string $section, string $page): array
    {
        $key = "{$section}/{$page}";

        return match ($key) {
            'fund-management/shared-company-accounts' => ['account_type' => '基本户'],
            default => [],
        };
    }

    public static function importIdentityFields(string $section, string $page): array
    {
        return match ("{$section}/{$page}") {
            'company-management/basic-information' => ['unified_social_credit_code'],
            'trademark-management/information',
            'trademark-management/registration',
            'trademark-management/changes',
            'trademark-management/renewal' => ['trademark_name'],
            'store-management/basic-information' => ['erp_store_name', 'platform'],
            default => [],
        };
    }

    /**
     * Resolve a tab slug to its display title from the navigation config.
     */
    public static function tabTitle(string $section, string $page, string $tabSlug): ?string
    {
        foreach (BusinessNavigation::all() as $navSection) {
            if ($navSection['slug'] !== $section) {
                continue;
            }
            foreach ($navSection['pages'] ?? [] as $navPage) {
                if (($navPage['slug'] ?? null) !== $page) {
                    continue;
                }
                foreach ($navPage['tabs'] ?? [] as $tab) {
                    if (($tab['slug'] ?? null) === $tabSlug) {
                        return $tab['title'] ?? $tabSlug;
                    }
                }
            }
        }

        return null;
    }

    /**
     * Map tab slug -> filter value for the tab filter column.
     * For example the "taobao-alipay" tab maps to "淘宝" platform.
     */
    public static function tabValue(string $section, string $page, string $tabSlug): ?string
    {
        $key = "{$section}/{$page}";

        if ($key === 'fund-management/store-receiving-accounts') {
            return match ($tabSlug) {
                'taobao'        => '淘宝',
                'jd'            => '京东',
                'douyin'        => '抖音',
                'pinduoduo'     => '拼多多',
                default => null,
            };
        }

        return null;
    }

    /** @return list<string> */
    public static function tabValues(string $section, string $page, string $tabSlug): array
    {
        if ($section !== 'fund-management' || $page !== 'store-receiving-accounts') {
            $value = self::tabValue($section, $page, $tabSlug);

            return $value === null ? [] : [$value];
        }

        return match ($tabSlug) {
            'taobao' => ['淘宝', '阿里巴巴', '天猫', '淘宝分销', '唯品会'],
            'jd' => ['京东', '京喜'],
            'douyin' => ['抖音'],
            'pinduoduo' => ['拼多多'],
            default => [],
        };
    }

    /** @return list<array{name:string,label:string,type:string,options?:list<string>,currency:bool}> */
    private static function storeReceivingAccountFields(?string $tab): array
    {
        $text = static fn (string $name, string $label): array => [
            'name' => $name, 'label' => $label, 'type' => 'text', 'options' => null, 'currency' => false,
        ];
        $select = static fn (string $name, string $label, array $options): array => [
            'name' => $name, 'label' => $label, 'type' => 'select', 'options' => $options, 'currency' => false,
        ];

        $fields = [];
        if ($tab === 'taobao' || $tab === 'jd') {
            $fields[] = $select('store_platform', '类型', self::tabValues('fund-management', 'store-receiving-accounts', $tab));
        }

        $fields[] = $text('erp_store_name', 'ERP店铺名称');
        $fields[] = $text('shop_name', '店铺名称');

        if ($tab === 'jd') {
            $fields[] = $text('store_id', '店铺id');
        }

        $fields[] = $select('store_status', '店铺状态', ['正常', '关店中', '已关店']);
        $fields[] = $text('store_entity_name', '店铺主体');
        $fields[] = $text('original_store_entity', '原店铺主体');

        if ($tab === 'taobao') {
            $fields[] = $select('account_status', '状态', ['已维护', '待维护']);
            $fields[] = $text('login_account', '登录账号');
            $fields[] = $text('login_password', '登录密码');
            $fields[] = $text('payment_password', '支付密码');
            $fields[] = $select('withdrawal_path', '提现路径', ['公户', '网商银行', '支付宝']);
            $fields[] = $text('withdrawal_account_name', '提现账户名称');
            $fields[] = $text('alipay_or_bank_account', '支付宝账号');
        } elseif ($tab === 'jd') {
            $fields[] = $text('login_account', '登录账号');
            $fields[] = $text('login_password', '登录密码');
            $fields[] = $text('payment_verification_method', '支付验证方式');
            $fields[] = $text('financial_account', '金融账号');
            $fields[] = $text('financial_password', '金融密码');
            $fields[] = $text('payment_verification_method_secondary', '支付验证方式');
            $fields[] = $select('account_status', '状态', ['已维护', '待维护']);
            $fields[] = $select('withdrawal_path', '提现路径', ['公户', '网商银行', '支付宝']);
            $fields[] = $text('withdrawal_account_name', '提现账户名称');
            $fields[] = $text('bank_card_last_four', '银行卡账号（后四位）');
        } else {
            $fields[] = $select('account_status', '状态', ['已维护', '待维护']);
            $fields[] = $text('login_account', '登录账号');
            $fields[] = $text('login_password', '登录密码');
            $fields[] = $text('payment_password', '支付密码');
            $fields[] = $select('withdrawal_path', '提现路径', ['公户', '网商银行', '支付宝']);
            $fields[] = $text('withdrawal_account_name', '提现账户名称');
            $fields[] = $text('bank_card_last_four', '银行卡账号（后四位）');
        }

        return $fields;
    }
}