using Xunit;

namespace Admin.NET.Plugin.AiDOP.Tests.S6.Manufacturing;

/// <summary>
/// S6 DISPLAY FIX · Batch 1 源码契约测试。
///
/// D-04：IPQC head transform 的字符串列必须经 <c>MdpJsonSql.Str</c> 把 JSON null 归一为 SQL NULL，
///       否则 <c>JSON_UNQUOTE(JSON_EXTRACT(...))</c> 会产出字面量字符串 'null' 并一路透到页面。
///       detail transform 早已正确，本测试同时钉住其不回归。
/// D-01：完成态 message 必须区分 APPROVED（整批合格）与 DISPOSED（整批不合格已处置），
///       不得只依据 ApprovalFlowInstance.Status 一律说"主管审核通过"。
/// </summary>
public class S6IpqcDisplayContractTests
{
    private static string SyncService() => File.ReadAllText(FindFile(
        "server", "Plugins", "Admin.NET.Plugin.AiDOP", "Manufacturing", "IpqcInspectionMdpSyncService.cs"));

    private static string FlowService() => File.ReadAllText(FindFile(
        "server", "Plugins", "Admin.NET.Plugin.AiDOP", "Manufacturing", "IpqcInspectionFlowService.cs"));

    private static string JsonSql() => File.ReadAllText(FindFile(
        "server", "Plugins", "Admin.NET.Plugin.AiDOP", "DataPlatform", "MdpJsonSql.cs"));

    private static string Vue() => File.ReadAllText(FindFile(
        "Web", "src", "views", "aidop", "s6", "process-quality", "processInspectionList.vue"));

    private static string ListService() => File.ReadAllText(FindFile(
        "server", "Plugins", "Admin.NET.Plugin.AiDOP", "Manufacturing", "IpqcInspectionService.cs"));

    /// <summary>head transform 的每个字符串列都必须走 MdpJsonSql.Str。</summary>
    [Theory]
    [InlineData("djbh")]
    [InlineData("cplx")]
    [InlineData("scph")]
    [InlineData("lydjbh")]
    [InlineData("jgpd")]
    [InlineData("fj")]
    [InlineData("bz")]
    [InlineData("jyr")]
    [InlineData("gxbm")]
    [InlineData("gxmc")]
    [InlineData("sczyry")]
    [InlineData("bdbh")]
    [InlineData("bbh")]
    [InlineData("wlbm")]
    [InlineData("wlmc")]
    [InlineData("jgbb")]
    [InlineData("jgbh")]
    [InlineData("status")]
    public void HeadTransform_StringField_UsesNullSafeHelper(string field)
    {
        Assert.Contains($"MdpJsonSql.Str(\"m\", \"{field}\")", SyncService());
    }

    /// <summary>数值/日期列用对应类型 helper，不得被误改成字符串 helper。</summary>
    [Fact]
    public void HeadTransform_NumericAndDateFields_UseTypedHelpers()
    {
        var s = SyncService();
        Assert.Contains("MdpJsonSql.Dec(\"m\", \"ybl\", 18, 6)", s);
        Assert.Contains("MdpJsonSql.DateTimeSec(\"m\", \"sxrq\")", s);
        Assert.DoesNotContain("MdpJsonSql.Str(\"m\", \"ybl\")", s);
        Assert.DoesNotContain("MdpJsonSql.Str(\"m\", \"sxrq\")", s);
    }

    /// <summary>
    /// 除身份键 source_row_id / source_biz_key 的两处兜底外，转换 SQL 不得再出现裸 JSON_UNQUOTE。
    /// 这两处刻意保留：它们是 NOT NULL 的 upsert 身份列，不是展示列，改动会影响唯一键语义。
    /// </summary>
    [Fact]
    public void TransformSql_NoBareJsonUnquote_ExceptIdentityKeyFallbacks()
    {
        var s = SyncService();
        var bare = s.Split("JSON_UNQUOTE(JSON_EXTRACT(").Length - 1;
        Assert.Equal(2, bare);
        Assert.Contains("IFNULL(m.source_row_id, JSON_UNQUOTE(JSON_EXTRACT(m.raw_data,'$.id')))", s);
        Assert.Contains("IFNULL(NULLIF(m.source_biz_key,''), JSON_UNQUOTE(JSON_EXTRACT(m.raw_data,'$.djbh')))", s);
    }

    /// <summary>detail transform 既有的 null 安全行为不得回归。</summary>
    [Fact]
    public void DetailTransform_StillUsesNullSafeHelpers()
    {
        var s = SyncService();
        Assert.Contains("MdpJsonSql.Str(\"d\", \"jyxm\")", s);
        Assert.Contains("MdpJsonSql.Str(\"d\", \"pd\")", s);
        Assert.Contains("MdpJsonSql.Dec(\"d\", \"jysl\", 18, 6)", s);
        Assert.Contains("MdpJsonSql.DateTimeSec(\"d\", \"InspectionTime\")", s);
    }

    /// <summary>helper 语义钉死：JSON null / 字符串 'null' → SQL NULL。</summary>
    [Fact]
    public void JsonSqlStrHelper_NormalizesLiteralNullToSqlNull()
    {
        Assert.Contains("NULLIF({Ext(alias, field)},'null')", JsonSql());
    }

    /// <summary>完成态文案必须由 businessStatus 决定，而非只看实例状态。</summary>
    [Fact]
    public void CompletedMessage_BranchesOnBusinessStatus()
    {
        var s = FlowService();
        Assert.Contains("BuildCompletedMessage(output.BusinessStatus)", s);
        Assert.Contains("IpqcInspectionFlowConst.StatusApproved => \"流程已完成（整批合格·主管审核通过）\"", s);
        Assert.Contains("IpqcInspectionFlowConst.StatusDisposed => \"流程已完成（整批不合格·已处置）\"", s);
    }

    /// <summary>两个完成终态的文案不得相同——这正是 D-01 的缺陷本身。</summary>
    [Fact]
    public void CompletedMessage_ApprovedAndDisposed_AreNotIdentical()
    {
        var s = FlowService();
        Assert.DoesNotContain(
            "inst.Status == FlowInstanceStatusEnum.Approved ? \"流程已完成（主管审核通过）\"", s);
        Assert.Contains("_ => \"流程已完成\",", s);   // 业务状态缺失时中性表述，不臆断"审核通过"
    }

    /// <summary>非 Approved 的结束态文案保持原样，未被本批波及。</summary>
    [Fact]
    public void NonApprovedTerminal_MessageUnchanged()
    {
        Assert.Contains("$\"流程已结束（{inst.Status}）\"", FlowService());
    }

    /// <summary>
    /// 状态机未被改动：节点码、网关判据、审批人解析、can* 判据、任务归属均保持原样。
    /// D-01 只允许改"给 UI 的解释性文案"。
    /// </summary>
    [Fact]
    public void StateMachine_Untouched()
    {
        var s = FlowService();
        Assert.Contains("myTask.NodeId == IpqcInspectionFlowConst.NodeInspect", s);
        Assert.Contains("myTask.NodeId == IpqcInspectionFlowConst.NodeSupervisor", s);
        Assert.Contains("myTask.NodeId == IpqcInspectionFlowConst.NodeDisposition", s);
        Assert.Contains("output.CanSupervisorApprove = true;", s);
        Assert.Contains("output.CanSupervisorReturn = true;", s);
        Assert.Contains("output.CanSubmitDisposition = true;", s);
        // 整批判定仍驱动网关，未被文案改动波及
        Assert.Contains("var dispositionRequired = input.Qualified ? 0 : 1;", s);
    }

    // ───────────────────────── Batch 2 · UI Readability ─────────────────────────

    /// <summary>六个业务状态 + 兜底 flowStatus 都必须有中文映射。</summary>
    [Theory]
    [InlineData("INSPECTING", "检验中")]
    [InlineData("PENDING_REVIEW", "待主管审核")]
    [InlineData("APPROVED", "已通过")]
    [InlineData("RETURNED", "已退回")]
    [InlineData("PENDING_DISPOSITION", "待质量处置")]
    [InlineData("DISPOSED", "已处置")]
    [InlineData("NotStarted", "待检验")]
    [InlineData("Running", "流程进行中")]
    public void BusinessStatus_HasChineseMapping(string raw, string zh)
    {
        Assert.Contains($"{raw}: '{zh}'", Vue());
    }

    /// <summary>未知状态原样返回，不静默显示"未知"；空值 → '-'。</summary>
    [Fact]
    public void BusinessStatusText_UnknownFallsBackToRawValue()
    {
        var v = Vue();
        Assert.Contains("return BUSINESS_STATUS_TEXT[v] ?? v;", v);
        Assert.Contains("if (v === null || v === undefined || v === '') return '-';", v);
    }

    /// <summary>判定 0/1 中文化，且 0 不得被 truthy 判断吞掉（string 与 number 两型都认）。</summary>
    [Fact]
    public void JudgementText_MapsZeroAndOne_WithoutTruthyCheck()
    {
        var v = Vue();
        Assert.Contains("if (v === 0 || v === '0') return '合格';", v);
        Assert.Contains("if (v === 1 || v === '1') return '不合格';", v);
        Assert.DoesNotContain("resultJudgement || '-'", v);
    }

    /// <summary>空值占位统一走 displayValue；0 / false 是合法值必须原样显示。</summary>
    [Fact]
    public void DisplayValue_PreservesZeroAndFalse()
    {
        var v = Vue();
        Assert.Contains("function displayValue(v: unknown)", v);
        Assert.Contains("if (v === null || v === undefined) return '-';", v);
        // 不得再用 || '-' 处理可能为 0 的字段；仅允许 dispTypeText 的字符串枚举兜底
        Assert.Equal(1, v.Split("|| '-'").Length - 1);
        Assert.Contains("REWORK: '返工'", v);
    }

    /// <summary>列表必须有「流程状态」列，且绑定 businessStatus 而非源字段 inspectionStatus。</summary>
    [Fact]
    public void List_HasWorkflowStatusColumn_BoundToBusinessStatus()
    {
        var v = Vue();
        Assert.Contains("label=\"流程状态\"", v);
        Assert.Contains("businessStatusText(row.businessStatus)", v);
        Assert.DoesNotContain("businessStatusText(row.inspectionStatus)", v);
    }

    /// <summary>模板不得直接插值原始业务状态枚举。</summary>
    [Fact]
    public void Template_DoesNotRenderRawBusinessStatus()
    {
        var v = Vue();
        Assert.DoesNotContain("{{ row.businessStatus }}", v);
        Assert.DoesNotContain("{{ flowState.businessStatus }}", v);
        Assert.DoesNotContain("{{ detail.resultJudgement }}", v);
    }

    /// <summary>currentNodeName 被使用，且终态不展示（避免残留旧节点误导）。</summary>
    [Fact]
    public void CurrentNodeName_IsRendered_AndHiddenWhenCompleted()
    {
        var v = Vue();
        Assert.Contains("flowState.currentNodeName", v);
        Assert.Contains("!flowState.isCompleted && flowState.currentNodeName", v);
    }

    /// <summary>日期复用项目公共 formatter，不再自写 slice 逻辑；空值 → '-'。</summary>
    [Fact]
    public void Dates_ReuseSharedFormatter_AndPlaceholderOnEmpty()
    {
        var v = Vue();
        Assert.Contains("import { formatDate } from '/@/utils/formatTime';", v);
        Assert.Contains("formatDate(d, 'YYYY-mm-dd')", v);
        Assert.Contains("formatDate(d, 'YYYY-mm-dd HH:MM:SS')", v);
        Assert.DoesNotContain("v.slice(0, 10)", v);          // 旧的自写实现已移除
        Assert.Contains("return isNaN(d.getTime()) ? null : d;", v);  // Invalid Date → '-'
    }

    /// <summary>提交契约不得被中文化污染：payload / v-model / option value 仍为原始值。</summary>
    [Fact]
    public void SubmitContract_KeepsRawValues()
    {
        var v = Vue();
        Assert.Contains("label=\"合格(0)\" :value=\"0\"", v);
        Assert.Contains("label=\"不合格(1)\" :value=\"1\"", v);
        Assert.Contains("value=\"REWORK\"", v);
        Assert.DoesNotContain(":value=\"'合格'\"", v);
    }

    /// <summary>列表流程状态来自 flow_state 左联，且租户与软删都收口。</summary>
    [Fact]
    public void ListSql_JoinsFlowState_TenantScoped()
    {
        var s = ListService();
        Assert.Contains("f.business_status          AS BusinessStatus", s);
        Assert.Contains("LEFT JOIN ado_s6_ipqc_inspection_flow_state f", s);
        Assert.Contains("ON f.inspection_id = CAST(m.source_row_id AS SIGNED)", s);
        Assert.Contains("AND f.tenant_id = m.tenant_id", s);
        Assert.Contains("AND f.IsDelete = 0", s);
        // 列表仍强制按登录租户过滤
        Assert.Contains("m.tenant_id = @TenantId", s);
    }

    // ───────────────── Batch 3 · D-06 源单状态 / 流程状态 语义消歧 ─────────────────

    /// <summary>
    /// 误导性 label「检验状态」必须消失——它绑定的是源字段 qms_gcjyd.status，
    /// 用户会误读成当前流程进度。
    /// </summary>
    [Fact]
    public void Detail_NoLongerUsesMisleadingInspectionStatusLabel()
    {
        Assert.DoesNotContain("label=\"检验状态\"", Vue());
    }

    /// <summary>源字段改标为「源单状态」，但绑定的 DTO 字段不变（API contract 不动）。</summary>
    [Fact]
    public void Detail_SourceStatus_RelabelledButBindingUnchanged()
    {
        var v = Vue();
        Assert.Contains("label=\"源单状态\"", v);
        Assert.Contains("displayValue(detail.inspectionStatus)", v);
    }

    /// <summary>工作流状态在详情顶部有显式「流程状态：」标注，不再是一个无标签的裸标签。</summary>
    [Fact]
    public void Detail_WorkflowStatus_IsExplicitlyLabelled()
    {
        var v = Vue();
        Assert.Contains("流程状态：", v);
        Assert.Contains("{{ flowStatusText }}", v);
    }

    /// <summary>
    /// 信息层级：流程状态（flow-panel）必须出现在源单状态（基础信息区）之前。
    /// 抽屉先渲染 flow-panel 再渲染 el-descriptions，故以源码位置为序即可断言。
    /// </summary>
    [Fact]
    public void Detail_WorkflowStatus_PrecedesSourceStatus()
    {
        var v = Vue();
        Assert.True(v.IndexOf("流程状态：", StringComparison.Ordinal)
                  < v.IndexOf("label=\"源单状态\"", StringComparison.Ordinal));
    }

    /// <summary>列表只展示流程状态，不得再引入第二个状态列造成二次困惑。</summary>
    [Fact]
    public void List_ShowsOnlyWorkflowStatus_NoSourceStatusColumn()
    {
        var v = Vue();
        Assert.Contains("prop=\"businessStatus\" label=\"流程状态\"", v);
        Assert.DoesNotContain("el-table-column prop=\"inspectionStatus\"", v);
        Assert.DoesNotContain("row.inspectionStatus", v);
    }

    /// <summary>Batch 2 的终态不显示当前节点逻辑保持不变（防回归）。</summary>
    [Fact]
    public void CurrentNode_TerminalSuppression_StillIntact()
    {
        Assert.Contains("!flowState.isCompleted && flowState.currentNodeName", Vue());
    }

    private static string FindFile(params string[] parts)
    {
        var dir = new DirectoryInfo(AppContext.BaseDirectory);
        while (dir != null)
        {
            var candidate = Path.Combine(new[] { dir.FullName }.Concat(parts).ToArray());
            if (File.Exists(candidate)) return candidate;
            dir = dir.Parent;
        }
        throw new FileNotFoundException(string.Join("/", parts));
    }
}