namespace Admin.NET.Plugin.AiDOP.MaterialWarehouse;

/// <summary>
/// S5 采购收货单 数据中台只读同步转换服务（DOP 内部，方案 1）。
///
/// 源：aidopdev PurOrdRctDetail(p) + PurOrdRctMaster(d)，业务类型 RctType='rc'（采购收货）；
///     头明细关联 p.Domain=d.Domain AND p.Receiver=d.Receiver；
///     维表 ItemMaster(i) / SuppMaster(s) / ConsigneeAddressMaster(a) / PurOrdDetail(pd,sd) / srm_pr_main(dr) 全 LEFT JOIN。
/// 链路（方案 1）：源表只读 → mdp_std_purchase_receipt(typed)。不经 mdp_stg（S3 已持有 mdp_stg_receipt），不建 dwd（只读列表）。
///
/// 约束：
///   - 只读源表，仅写 mdp_std_purchase_receipt；绝不 INSERT/UPDATE/DELETE 任何源表；不读/不改 S3 mdp_stg_receipt、S4 ado_s4_receipt。
///   - 过滤 p.RctType='rc'；不套 ERP 端 UserFactoryNum/UserAccount 占位过滤（全量同步，租户隔离在读 API 侧按 tenant_id）。
///   - 派生列对齐旧系统 SQL：sort_name/req/dop_req 保持 CASE d.OrdType='DO' 分支语义；danjia/jiage 本批不落。
///   - 明细粒度 = PurOrdRctDetail 一行（domain#receiver#line）；rc 为 0 行时成功完成、处理数为 0，不报错。
/// </summary>
public class PurchaseReceiptMdpSyncService : ITransient
{
    private const string JobCode = "S5_PURCHASE_RECEIPT_MDP_SYNC";

    private readonly ISqlSugarClient _db;

    public PurchaseReceiptMdpSyncService(ISqlSugarClient db)
    {
        _db = db;
    }

    /// <summary>全量同步转换：源表(rc) → mdp_std_purchase_receipt。</summary>
    public async Task<PurchaseReceiptMdpSyncResult> RunFullAsync(CancellationToken cancellationToken = default, string triggerType = "AUTO")
    {
        cancellationToken.ThrowIfCancellationRequested();
        await EnsureTablesAsync();

        var now = DateTime.Now;
        var batchId = $"S5_PUR_RCT_FULL_{now:yyyyMMddHHmmss}";
        var runLogId = await InsertRunLogAsync(batchId, now, triggerType);
        var result = new PurchaseReceiptMdpSyncResult { BatchId = batchId, RunLogId = runLogId };

        try
        {
            result.StdRows = await TransformStandardAsync(batchId, now);
            await MarkRunSuccessAsync(runLogId, now, result);
            return result;
        }
        catch (Exception ex)
        {
            await MarkRunFailedAsync(runLogId, now, ex.Message);
            throw;
        }
    }

    /// <summary>防御式建表（与 UpdateScripts WIP-S5PR.sql / 正式 1.0.&lt;n&gt;.sql 同构，幂等）。</summary>
    private async Task EnsureTablesAsync()
    {
        await _db.Ado.ExecuteCommandAsync(
            """
            CREATE TABLE IF NOT EXISTS mdp_std_purchase_receipt (
                id BIGINT AUTO_INCREMENT PRIMARY KEY,
                tenant_id BIGINT NOT NULL DEFAULT 0,
                factory_id BIGINT NULL DEFAULT 1,
                source_system VARCHAR(50) NOT NULL DEFAULT 'AIDOP',
                domain VARCHAR(24) NOT NULL,
                receiver VARCHAR(24) NOT NULL,
                line SMALLINT NOT NULL DEFAULT 0,
                rct_date DATETIME NULL,
                supp VARCHAR(20) NULL,
                sort_name VARCHAR(255) NULL,
                item_num VARCHAR(60) NULL,
                item_name VARCHAR(200) NULL,
                item_spec VARCHAR(200) NULL,
                um VARCHAR(8) NULL,
                qty_ordered DECIMAL(18,6) NULL DEFAULT 0,
                qty_received DECIMAL(18,6) NULL DEFAULT 0,
                lot_serial VARCHAR(120) NULL,
                location VARCHAR(8) NULL,
                ord_nbr VARCHAR(24) NULL,
                ord_line SMALLINT NULL,
                blanket_line INT NULL,
                pur_ord VARCHAR(24) NULL,
                pur_line SMALLINT NULL,
                sales_job VARCHAR(200) NULL,
                address1 VARCHAR(200) NULL,
                req VARCHAR(20) NULL,
                req_line INT NULL,
                dop_req VARCHAR(255) NULL,
                source_biz_key VARCHAR(200) NULL,
                sync_batch_id VARCHAR(100) NOT NULL,
                sync_time DATETIME NOT NULL,
                create_time DATETIME DEFAULT CURRENT_TIMESTAMP,
                update_time DATETIME DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP,
                UNIQUE KEY uk_mdp_std_pur_rct (tenant_id, domain, receiver, line),
                KEY idx_mdp_std_pur_rct_date (tenant_id, rct_date),
                KEY idx_mdp_std_pur_rct_item (tenant_id, item_num),
                KEY idx_mdp_std_pur_rct_supp (tenant_id, supp),
                KEY idx_mdp_std_pur_rct_purord (tenant_id, pur_ord),
                KEY idx_mdp_std_pur_rct_salesjob (tenant_id, sales_job),
                KEY idx_mdp_std_pur_rct_req (tenant_id, req),
                KEY idx_mdp_std_pur_rct_dopreq (tenant_id, dop_req)
            ) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_0900_ai_ci COMMENT='S5采购收货单标准层'
            """);
    }

    /// <summary>
    /// 标准化：PurOrdRctDetail(rc) + Master + 维表 -> mdp_std_purchase_receipt。返回处理明细行数。
    /// SQL 由旧系统源 SQL 翻译（SQL Server -&gt; MySQL）：with(nolock) 去除、IsNull-&gt;IFNULL、
    /// rtrim(a+' '+b)-&gt;TRIM(CONCAT(...))、convert(varchar,x)-&gt;CAST(x AS CHAR)、left(...)/占位过滤去除。
    /// </summary>
    private async Task<int> TransformStandardAsync(string batchId, DateTime now)
    {
        var rows = await _db.Ado.GetIntAsync(
            "SELECT COUNT(1) FROM PurOrdRctDetail p INNER JOIN PurOrdRctMaster d ON p.Domain=d.Domain AND p.Receiver=d.Receiver WHERE p.RctType='rc'");
        await _db.Ado.ExecuteCommandAsync(
            """
            INSERT INTO mdp_std_purchase_receipt
            (tenant_id, factory_id, source_system, domain, receiver, line, rct_date, supp, sort_name,
             item_num, item_name, item_spec, um, qty_ordered, qty_received, lot_serial, location,
             ord_nbr, ord_line, blanket_line, pur_ord, pur_line, sales_job, address1,
             req, req_line, dop_req, source_biz_key, sync_batch_id, sync_time)
            SELECT
                IFNULL(p.tenant_id, 0), 1, 'AIDOP', p.Domain, p.Receiver, p.Line, d.RctDate, p.Supp,
                TRIM(CONCAT(d.Supp, ' ', IFNULL(s.SortName, ''))),
                p.ItemNum, i.Descr, i.Descr1, p.UM, p.QtyOrded, p.QtyReceived, p.LotSerial, p.Location,
                p.OrdNbr, p.OrdLine, pd.BlanketLine, pd.PurOrd, pd.Line, pd.SalesJob, a.Address1,
                (CASE WHEN d.OrdType='DO' THEN '' ELSE sd.Req END),
                sd.ReqLine,
                (CASE WHEN d.OrdType='DO' THEN sd.Req ELSE dr.pr_billno END),
                CONCAT(p.Domain, '#', p.Receiver, '#', p.Line), @BatchId, @Now
            FROM PurOrdRctDetail p
            INNER JOIN PurOrdRctMaster d ON p.Domain = d.Domain AND p.Receiver = d.Receiver
            LEFT JOIN ItemMaster i ON p.Domain = i.Domain AND p.ItemNum = i.ItemNum
            LEFT JOIN SuppMaster s ON d.Domain = s.Domain AND d.Supp = s.Supp
            LEFT JOIN ConsigneeAddressMaster a ON p.Domain = a.Domain AND p.Supp = a.Address AND a.Typed = 'Supp'
            LEFT JOIN PurOrdDetail pd ON p.Domain = pd.Domain
                AND (CASE WHEN d.OrdType='DO' AND IFNULL(p.RctNbr,'')<>'' THEN p.RctNbr ELSE p.OrdNbr END)
                    = (CASE WHEN d.OrdType='DO' AND IFNULL(p.RctNbr,'')<>'' THEN pd.Contract ELSE pd.PurOrd END)
                AND (CASE WHEN d.OrdType='DO' AND IFNULL(p.RctNbr,'')<>'' THEN p.BlanketLine ELSE p.OrdLine END) = pd.Line
            LEFT JOIN PurOrdDetail sd ON p.Domain = sd.Domain AND p.OrdNbr = sd.PurOrd AND p.OrdLine = sd.Line
            LEFT JOIN srm_pr_main dr ON CAST(dr.factory_id AS CHAR) = sd.Domain AND dr.SAP_pr_billno = sd.Req AND IFNULL(dr.SAP_pr_billno,'')<>''
            WHERE p.RctType = 'rc'
            ON DUPLICATE KEY UPDATE
                factory_id=VALUES(factory_id), rct_date=VALUES(rct_date), supp=VALUES(supp), sort_name=VALUES(sort_name),
                item_num=VALUES(item_num), item_name=VALUES(item_name), item_spec=VALUES(item_spec), um=VALUES(um),
                qty_ordered=VALUES(qty_ordered), qty_received=VALUES(qty_received), lot_serial=VALUES(lot_serial), location=VALUES(location),
                ord_nbr=VALUES(ord_nbr), ord_line=VALUES(ord_line), blanket_line=VALUES(blanket_line),
                pur_ord=VALUES(pur_ord), pur_line=VALUES(pur_line), sales_job=VALUES(sales_job), address1=VALUES(address1),
                req=VALUES(req), req_line=VALUES(req_line), dop_req=VALUES(dop_req),
                sync_batch_id=VALUES(sync_batch_id), sync_time=VALUES(sync_time), update_time=CURRENT_TIMESTAMP
            """,
            new SugarParameter("@BatchId", batchId),
            new SugarParameter("@Now", now));
        return rows;
    }

    private async Task<long> InsertRunLogAsync(string batchId, DateTime startedAt, string triggerType)
    {
        await _db.Ado.ExecuteCommandAsync(
            """
            INSERT INTO mdp_transform_run_log
            (tenant_id, job_code, job_name, trigger_type, batch_id, status, start_time)
            VALUES (0, @JobCode, 'S5采购收货单MDP同步与标准化转换', @TriggerType, @BatchId, 'RUNNING', @StartTime)
            """,
            new SugarParameter("@JobCode", JobCode),
            new SugarParameter("@TriggerType", NormalizeTriggerType(triggerType)),
            new SugarParameter("@BatchId", batchId),
            new SugarParameter("@StartTime", startedAt));
        return await _db.Ado.GetLongAsync(
            "SELECT id FROM mdp_transform_run_log WHERE batch_id=@BatchId ORDER BY id DESC LIMIT 1",
            new List<SugarParameter> { new("@BatchId", batchId) });
    }

    private async Task MarkRunSuccessAsync(long runLogId, DateTime startedAt, PurchaseReceiptMdpSyncResult result)
    {
        var finishedAt = DateTime.Now;
        await _db.Ado.ExecuteCommandAsync(
            """
            UPDATE mdp_transform_run_log
            SET status='SUCCESS', end_time=@EndTime, duration_ms=@DurationMs,
                stage_rows=0, standard_rows=@StandardRows, dwd_rows=0, update_time=CURRENT_TIMESTAMP
            WHERE id=@Id
            """,
            new SugarParameter("@EndTime", finishedAt),
            new SugarParameter("@DurationMs", (int)(finishedAt - startedAt).TotalMilliseconds),
            new SugarParameter("@StandardRows", result.StdRows),
            new SugarParameter("@Id", runLogId));
    }

    private async Task MarkRunFailedAsync(long runLogId, DateTime startedAt, string message)
    {
        var finishedAt = DateTime.Now;
        await _db.Ado.ExecuteCommandAsync(
            """
            UPDATE mdp_transform_run_log
            SET status='FAILED', end_time=@EndTime, duration_ms=@DurationMs,
                error_message=@ErrorMessage, update_time=CURRENT_TIMESTAMP
            WHERE id=@Id
            """,
            new SugarParameter("@EndTime", finishedAt),
            new SugarParameter("@DurationMs", (int)(finishedAt - startedAt).TotalMilliseconds),
            new SugarParameter("@ErrorMessage", message.Length > 2000 ? message[..2000] : message),
            new SugarParameter("@Id", runLogId));
    }

    private static string NormalizeTriggerType(string? triggerType)
        => string.IsNullOrWhiteSpace(triggerType) ? "AUTO" : triggerType.Trim().ToUpperInvariant();
}

/// <summary>采购收货单 MDP 同步转换结果。</summary>
public sealed class PurchaseReceiptMdpSyncResult
{
    public long RunLogId { get; set; }
    public string BatchId { get; set; } = string.Empty;
    public int StdRows { get; set; }
}