namespace Admin.NET.Plugin.AiDOP.Production;

/// <summary>
/// 产线工作日历（ShopCalendarWorkCtr）
/// 路由前缀：/api/Production/shop-calendar/...
/// </summary>
[ApiDescriptionSettings(Order = 267, Description = "产线工作日历")]
[Route("api/Production")]
[AllowAnonymous]
[NonUnify]
public class ShopCalendarWorkCtrService : IDynamicApiController, ITransient
{
    private readonly ISqlSugarClient _db;
    private readonly UserManager _userManager;

    public ShopCalendarWorkCtrService(ISqlSugarClient db, UserManager userManager)
    {
        _db = db;
        _userManager = userManager;
    }

    [DisplayName("产线工作日历列表")]
    [HttpGet("shop-calendar/list")]
    public async Task<object> GetList([FromQuery] ShopCalendarWorkCtrListInput input)
    {
        var pars = new List<SugarParameter>();
        var where = "sc.IsActive = 1";
        if (!string.IsNullOrWhiteSpace(input.ProdLine))
        {
            where += " AND sc.ProdLine = @ProdLine";
            pars.Add(new SugarParameter("@ProdLine", input.ProdLine.Trim()));
        }

        var orderClause = ResolveOrder(input.OrderBy, input.Sort);
        var offset = (input.Page - 1) * input.PageSize;

        var baseSql = $"""
            SELECT
                sc.ProdLine,
                sc.Ufld1 AS Descr,
                CASE sc.WeekDay
                    WHEN 0 THEN '星期天'
                    WHEN 1 THEN '星期一'
                    WHEN 2 THEN '星期二'
                    WHEN 3 THEN '星期三'
                    WHEN 4 THEN '星期四'
                    WHEN 5 THEN '星期五'
                    WHEN 6 THEN '星期六'
                    ELSE CAST(sc.WeekDay AS CHAR)
                END AS WeekDayName,
                REPLACE(CAST(CAST(sc.ShiftsStart1 AS DECIMAL(13,2)) AS CHAR), '.', ':') AS ShiftsStart1,
                sc.ShiftsHours1 AS ShiftsHours1,
                REPLACE(CAST(CAST(IFNULL(sc.ShiftsStart2,0) AS DECIMAL(13,2)) AS CHAR), '.', ':') AS ShiftsStart2,
                sc.ShiftsHours2 AS ShiftsHours2,
                sc.RecID AS Id,
                CASE WHEN sc.WeekDay = 0 THEN 7 ELSE sc.WeekDay END AS number,
                sc.WeekDay AS WeekDay,
                sc.`Domain` AS Domain,
                sc.Site AS Site,
                sc.WorkCtr AS WorkCtr
            FROM ShopCalendarWorkCtr sc
            WHERE {where}
            """;

        var total = await _db.Ado.GetIntAsync($"SELECT COUNT(*) FROM ({baseSql}) AS t", pars);
        var list = await _db.Ado.SqlQueryAsync<ShopCalendarListRow>(
            $"SELECT * FROM ({baseSql}) AS t ORDER BY {orderClause} LIMIT {input.PageSize} OFFSET {offset}", pars);

        return new { total, page = input.Page, pageSize = input.PageSize, list };
    }

    [DisplayName("生产线下拉（LineMaster）")]
    [HttpGet("shop-calendar/lines")]
    public async Task<object> GetLines([FromQuery] string? domain)
    {
        var pars = new List<SugarParameter>();
        var where = "IsActive = 1";
        if (!string.IsNullOrWhiteSpace(domain))
        {
            where += " AND `Domain` = @Domain";
            pars.Add(new SugarParameter("@Domain", domain.Trim()));
        }
        var rows = await _db.Ado.SqlQueryAsync<LineKvRow>(
            $"SELECT DISTINCT `Line` AS Value, `Line` AS Label FROM LineMaster WHERE {where} ORDER BY `Line`", pars);
        return new { list = rows };
    }

    [DisplayName("产线工作日历详情")]
    [HttpGet("shop-calendar/{id:long}")]
    public async Task<object> GetDetail(long id)
    {
        var row = (await _db.Ado.SqlQueryAsync<ShopCalendarDetailRow>(
            """
            SELECT RecID AS Id, ProdLine, WeekDay, ShiftsStart1, ShiftsHours1, ShiftsStart2, ShiftsHours2,
                   ShiftsStart3, ShiftsHours3, ShiftsStart4, ShiftsHours4,
                   Ufld1 AS Descr, `Domain`, Site, WorkCtr, TeamType, AllowOverTime, IsWorkDay
            FROM ShopCalendarWorkCtr
            WHERE RecID = @Id
            """,
            new List<SugarParameter> { new("@Id", id) })).FirstOrDefault()
            ?? throw Oops.Oh("记录不存在");

        row.ShiftsStart1Text = DecimalHoursToTimeString(row.ShiftsStart1);
        row.ShiftsStart2Text = DecimalHoursToTimeString(row.ShiftsStart2);
        return row;
    }

    /// <summary>保存 POST /api/Production/shop-calendar/save</summary>
    [DisplayName("保存产线工作日历")]
    [HttpPost("shop-calendar/save")]
    public async Task<object> Save([FromBody] ShopCalendarWorkCtrSaveInput input)
    {
        var account = Truncate(_userManager.Account ?? "system", 8);
        var now = DateTime.Now;
        var domain = Truncate(input.Domain.Trim(), 8);
        var site = Truncate(input.Site.Trim(), 8);
        var prodLine = Truncate(input.ProdLine.Trim(), 8);
        var workCtr = string.IsNullOrWhiteSpace(input.WorkCtr) ? null : Truncate(input.WorkCtr.Trim(), 8);
        var ufld1 = string.IsNullOrWhiteSpace(input.Ufld1) ? null : Truncate(input.Ufld1.Trim(), 8);

        var s1 = NormalizeShiftDecimal(ParseTimeToDecimal(input.ShiftsStart1));
        var s2 = NormalizeShiftDecimal(ParseTimeToDecimal(input.ShiftsStart2));
        var h1 = input.ShiftsHours1 ?? 0m;
        var h2 = input.ShiftsHours2 ?? 0m;

        if (input.Id is null or 0)
        {
            var dup = await _db.Ado.GetIntAsync(
                """
                SELECT COUNT(*) FROM ShopCalendarWorkCtr
                WHERE IsActive = 1 AND ProdLine = @ProdLine AND WeekDay = @WeekDay
                """,
                new List<SugarParameter>
                {
                    new("@ProdLine", prodLine),
                    new("@WeekDay", input.WeekDay)
                });
            if (dup > 0)
                throw Oops.Oh("该生产线与星期组合已存在");

            await _db.Ado.ExecuteCommandAsync(
                """
                INSERT INTO ShopCalendarWorkCtr (
                    `Domain`, `Site`, `ProdLine`, `WeekDay`, `WorkCtr`, `Ufld1`,
                    ShiftsStart1, ShiftsHours1, ShiftsStart2, ShiftsHours2,
                    ShiftsStart3, ShiftsHours3, ShiftsStart4, ShiftsHours4,
                    AllowOverTime, IsChanged, IsWorkDay,
                    IsActive, IsConfirm, BusinessID,
                    CreateUser, CreateTime, UpdateUser, UpdateTime
                ) VALUES (
                    @Domain, @Site, @ProdLine, @WeekDay, @WorkCtr, @Ufld1,
                    @S1, @H1, @S2, @H2,
                    0, 0, 0, 0,
                    0, 0, 1,
                    1, 0, 0,
                    @User, @Now, @User, @Now
                )
                """,
                new List<SugarParameter>
                {
                    new("@Domain", domain),
                    new("@Site", site),
                    new("@ProdLine", prodLine),
                    new("@WeekDay", input.WeekDay),
                    new("@WorkCtr", (object?)workCtr ?? DBNull.Value),
                    new("@Ufld1", (object?)ufld1 ?? DBNull.Value),
                    new("@S1", s1),
                    new("@H1", h1),
                    new("@S2", s2),
                    new("@H2", h2),
                    new("@User", account),
                    new("@Now", now)
                });

            var newId = await _db.Ado.GetIntAsync("SELECT LAST_INSERT_ID()");
            return new { id = (long)newId, message = "新增成功" };
        }

        var n = await _db.Ado.ExecuteCommandAsync(
            """
            UPDATE ShopCalendarWorkCtr
            SET `Domain` = @Domain,
                `Site` = @Site,
                ProdLine = @ProdLine,
                WeekDay = @WeekDay,
                WorkCtr = @WorkCtr,
                Ufld1 = @Ufld1,
                ShiftsStart1 = @S1,
                ShiftsHours1 = @H1,
                ShiftsStart2 = @S2,
                ShiftsHours2 = @H2,
                UpdateUser = @User,
                UpdateTime = @Now
            WHERE RecID = @Id
            """,
            new List<SugarParameter>
            {
                new("@Id", input.Id!.Value),
                new("@Domain", domain),
                new("@Site", site),
                new("@ProdLine", prodLine),
                new("@WeekDay", input.WeekDay),
                new("@WorkCtr", (object?)workCtr ?? DBNull.Value),
                new("@Ufld1", (object?)ufld1 ?? DBNull.Value),
                new("@S1", s1),
                new("@H1", h1),
                new("@S2", s2),
                new("@H2", h2),
                new("@User", account),
                new("@Now", now)
            });
        if (n == 0)
            throw Oops.Oh("记录不存在或未变更");
        return new { id = input.Id, message = "保存成功" };
    }

    [DisplayName("删除产线工作日历")]
    [HttpPost("shop-calendar/delete/{id:long}")]
    public async Task<object> Delete(long id)
    {
        var n = await _db.Ado.ExecuteCommandAsync(
            "UPDATE ShopCalendarWorkCtr SET IsActive = 0, UpdateTime = @Now WHERE RecID = @Id",
            new List<SugarParameter> { new("@Id", id), new("@Now", DateTime.Now) });
        if (n == 0)
            throw Oops.Oh("记录不存在");
        return new { message = "已删除" };
    }

    private static string Truncate(string s, int maxLen)
    {
        if (string.IsNullOrEmpty(s)) return s;
        return s.Length <= maxLen ? s : s[..maxLen];
    }

    private static string ResolveOrder(string? orderBy, string? sort)
    {
        var desc = string.Equals(sort?.Trim(), "desc", StringComparison.OrdinalIgnoreCase);
        var dir = desc ? "DESC" : "ASC";
        var key = orderBy?.Trim().ToLowerInvariant();
        var col = key switch
        {
            "prodline" => "t.ProdLine",
            "weekdayname" => "t.number",
            _ => "t.number"
        };
        return $"{col} {dir}, t.Id";
    }

    private static decimal? ParseTimeToDecimal(string? s)
    {
        if (string.IsNullOrWhiteSpace(s)) return null;
        var p = s.Trim().Split(':');
        if (p.Length < 2 || !int.TryParse(p[0], out var h) || !int.TryParse(p[1], out var m))
            return null;
        return h + m / 60m;
    }

    private static decimal NormalizeShiftDecimal(decimal? value)
    {
        if (value is null) return 0m;
        // DB 列是 decimal(10,5)，避免循环小数导致超精度写入报错。
        return Math.Round(value.Value, 5, MidpointRounding.AwayFromZero);
    }

    private static string? DecimalHoursToTimeString(decimal? d)
    {
        if (d is null || d.Value == 0) return null;
        var total = (double)d.Value;
        var h = (int)Math.Floor(total);
        var m = (int)Math.Round((total - h) * 60);
        if (m >= 60) { h++; m = 0; }
        return $"{h:D2}:{m:D2}";
    }

    private sealed class ShopCalendarListRow
    {
        public string? ProdLine { get; set; }
        public string? Descr { get; set; }
        public string? WeekDayName { get; set; }
        public string? ShiftsStart1 { get; set; }
        public decimal? ShiftsHours1 { get; set; }
        public string? ShiftsStart2 { get; set; }
        public decimal? ShiftsHours2 { get; set; }
        public long Id { get; set; }
        public int number { get; set; }
        public int WeekDay { get; set; }
        public string? Domain { get; set; }
        public string? Site { get; set; }
        public string? WorkCtr { get; set; }
    }

    private sealed class LineKvRow
    {
        public string? Value { get; set; }
        public string? Label { get; set; }
    }

    private sealed class ShopCalendarDetailRow
    {
        public long Id { get; set; }
        public string? ProdLine { get; set; }
        public int WeekDay { get; set; }
        public decimal? ShiftsStart1 { get; set; }
        public decimal? ShiftsHours1 { get; set; }
        public decimal? ShiftsStart2 { get; set; }
        public decimal? ShiftsHours2 { get; set; }
        public decimal? ShiftsStart3 { get; set; }
        public decimal? ShiftsHours3 { get; set; }
        public decimal? ShiftsStart4 { get; set; }
        public decimal? ShiftsHours4 { get; set; }
        public string? Descr { get; set; }
        public string? Domain { get; set; }
        public string? Site { get; set; }
        public string? WorkCtr { get; set; }
        public string? TeamType { get; set; }
        public decimal? AllowOverTime { get; set; }
        public bool? IsWorkDay { get; set; }
        public string? ShiftsStart1Text { get; set; }
        public string? ShiftsStart2Text { get; set; }
    }
}