using MewtocolNet;
using MewtocolNet.RegisterBuilding;
using MewtocolNet.Registers;
using System.Collections;
using Xunit;
using Xunit.Abstractions;
using static System.Net.Mime.MediaTypeNames;

namespace MewtocolTests;

public class TestRegisterBuilder {

    private readonly ITestOutputHelper output;

    public TestRegisterBuilder(ITestOutputHelper output) {
        this.output = output;
    }

    [Fact(DisplayName = "Parsing as Bool Register List (Phyiscal Outputs)")]
    public void TestParsingBRegisterY() {

        var tests = new Dictionary<string, IRegister>() {

            {"Y0",  new BoolRegister(IOType.Y)},
            {"Y1",  new BoolRegister(IOType.Y, 0x1)},
            {"Y2",  new BoolRegister(IOType.Y, 0x2)},
            {"Y3",  new BoolRegister(IOType.Y, 0x3)},
            {"Y4",  new BoolRegister(IOType.Y, 0x4)},
            {"Y5",  new BoolRegister(IOType.Y, 0x5)},
            {"Y6",  new BoolRegister(IOType.Y, 0x6)},
            {"Y7",  new BoolRegister(IOType.Y, 0x7)},
            {"Y8",  new BoolRegister(IOType.Y, 0x8)},
            {"Y9",  new BoolRegister(IOType.Y, 0x9)},

            {"YA",  new BoolRegister(IOType.Y, 0xA)},
            {"YB",  new BoolRegister(IOType.Y, 0xB)},
            {"YC",  new BoolRegister(IOType.Y, 0xC)},
            {"YD",  new BoolRegister(IOType.Y, 0xD)},
            {"YE",  new BoolRegister(IOType.Y, 0xE)},
            {"YF",  new BoolRegister(IOType.Y, 0xF)},

            {"Y1A",  new BoolRegister(IOType.Y, 0xA, 1)},
            {"Y10B",  new BoolRegister(IOType.Y, 0xB, 10)},
            {"Y109C",  new BoolRegister(IOType.Y, 0xC, 109)},

        };

        TestBoolDict(tests);

    }

    [Fact(DisplayName = "Parsing as Bool Register List (Phyiscal Inputs)")]
    public void TestParsingBRegisterX() {

        var tests = new Dictionary<string, IRegister>() {

            {"X0",  new BoolRegister(IOType.X)},
            {"X1",  new BoolRegister(IOType.X, 0x1)},
            {"X2",  new BoolRegister(IOType.X, 0x2)},
            {"X3",  new BoolRegister(IOType.X, 0x3)},
            {"X4",  new BoolRegister(IOType.X, 0x4)},
            {"X5",  new BoolRegister(IOType.X, 0x5)},
            {"X6",  new BoolRegister(IOType.X, 0x6)},
            {"X7",  new BoolRegister(IOType.X, 0x7)},
            {"X8",  new BoolRegister(IOType.X, 0x8)},
            {"X9",  new BoolRegister(IOType.X, 0x9)},

            {"XA",  new BoolRegister(IOType.X, 0xA)},
            {"XB",  new BoolRegister(IOType.X, 0xB)},
            {"XC",  new BoolRegister(IOType.X, 0xC)},
            {"XD",  new BoolRegister(IOType.X, 0xD)},
            {"XE",  new BoolRegister(IOType.X, 0xE)},
            {"XF",  new BoolRegister(IOType.X, 0xF)},

            {"X1A",  new BoolRegister(IOType.X, 0xA, 1)},
            {"X10B",  new BoolRegister(IOType.X, 0xB, 10)},
            {"X109C",  new BoolRegister(IOType.X, 0xC, 109)},

        };

        TestBoolDict(tests);

    }

    [Fact(DisplayName = "Parsing as Bool Register List (Internal Relay)")]
    public void TestParsingBRegisterR() {

        var tests = new Dictionary<string, IRegister>() {

            {"R0",  new BoolRegister(IOType.R)},
            {"R1",  new BoolRegister(IOType.R, 0x1)},
            {"R2",  new BoolRegister(IOType.R, 0x2)},
            {"R3",  new BoolRegister(IOType.R, 0x3)},
            {"R4",  new BoolRegister(IOType.R, 0x4)},
            {"R5",  new BoolRegister(IOType.R, 0x5)},
            {"R6",  new BoolRegister(IOType.R, 0x6)},
            {"R7",  new BoolRegister(IOType.R, 0x7)},
            {"R8",  new BoolRegister(IOType.R, 0x8)},
            {"R9",  new BoolRegister(IOType.R, 0x9)},

            {"RA",  new BoolRegister(IOType.R, 0xA)},
            {"RB",  new BoolRegister(IOType.R, 0xB)},
            {"RC",  new BoolRegister(IOType.R, 0xC)},
            {"RD",  new BoolRegister(IOType.R, 0xD)},
            {"RE",  new BoolRegister(IOType.R, 0xE)},
            {"RF",  new BoolRegister(IOType.R, 0xF)},

            {"R1A",  new BoolRegister(IOType.R, 0xA, 1)},
            {"R10B",  new BoolRegister(IOType.R, 0xB, 10)},
            {"R109C",  new BoolRegister(IOType.R, 0xC, 109)},
            {"R1000",  new BoolRegister(IOType.R, 0x0, 100)},
            {"R511",  new BoolRegister(IOType.R, 0x0, 511)},
            {"R511A",  new BoolRegister(IOType.R, 0xA, 511)},

        };

        TestBoolDict(tests);

    }

    private void TestBoolDict (Dictionary<string, IRegister> dict) {

        foreach (var item in dict) {

            output.WriteLine($"Expected: {item.Key}");

            var built = RegBuilder.Factory.FromPlcRegName(item.Key).AsPlcType(PlcVarType.BOOL).Build();

            output.WriteLine($"{(built?.ToString(true) ?? "null")}\n");
            Assert.Equivalent(item.Value, built);

        }

    }

    [Fact(DisplayName = "Parsing as Bool Register (Casted)")]
    public void TestRegisterBuildingBoolCasted () {

        var expect = new BoolRegister(IOType.R, 0x1, 0);
        var expect2 = new BoolRegister(IOType.Y, 0xA, 103);

        Assert.Equivalent(expect, RegBuilder.Factory.FromPlcRegName("R1").AsPlcType(PlcVarType.BOOL).Build());
        Assert.Equivalent(expect, RegBuilder.Factory.FromPlcRegName("R1").AsType<bool>().Build());

        Assert.Equivalent(expect2, RegBuilder.Factory.FromPlcRegName("Y103A").AsPlcType(PlcVarType.BOOL).Build());
        Assert.Equivalent(expect2, RegBuilder.Factory.FromPlcRegName("Y103A").AsType<bool>().Build());

    }

    [Fact(DisplayName = "Parsing as Bool Register (Auto)")]
    public void TestRegisterBuildingBoolAuto () {

        var expect = new BoolRegister(IOType.R, 0x1, 0);
        var expect2 = new BoolRegister(IOType.Y, 0xA, 103);

        Assert.Equivalent(expect, RegBuilder.Factory.FromPlcRegName("R1").Build());
        Assert.Equivalent(expect, RegBuilder.Factory.FromPlcRegName("R1").Build());

        Assert.Equivalent(expect2, RegBuilder.Factory.FromPlcRegName("Y103A").Build());
        Assert.Equivalent(expect2, RegBuilder.Factory.FromPlcRegName("Y103A").Build());

    }

    [Fact(DisplayName = "Parsing as Number Register (Casted)")]
    public void TestRegisterBuildingNumericCasted() {

        var expect = new NumberRegister<short>(303, null);
        var expect2 = new NumberRegister<int>(10002, null);
        var expect3 = new NumberRegister<TimeSpan>(400, null);
        //var expect4 = new NRegister<TimeSpan>(103, null, true);

        Assert.Equivalent(expect, RegBuilder.Factory.FromPlcRegName("DT303").AsPlcType(PlcVarType.INT).Build());
        Assert.Equivalent(expect, RegBuilder.Factory.FromPlcRegName("DT303").AsType<short>().Build());

        Assert.Equivalent(expect2, RegBuilder.Factory.FromPlcRegName("DDT10002").AsPlcType(PlcVarType.DINT).Build());
        Assert.Equivalent(expect2, RegBuilder.Factory.FromPlcRegName("DDT10002").AsType<int>().Build());

        Assert.Equivalent(expect3, RegBuilder.Factory.FromPlcRegName("DDT400").AsPlcType(PlcVarType.TIME).Build());
        Assert.Equivalent(expect3, RegBuilder.Factory.FromPlcRegName("DDT400").AsType<TimeSpan>().Build());

        //Assert.Equivalent(expect4, RegBuilder.FromPlcRegName("DT103").AsType<BitArray>().Build());

    }

    [Fact(DisplayName = "Parsing as Number Register (Auto)")]
    public void TestRegisterBuildingNumericAuto() {

        var expect = new NumberRegister<short>(303, null);
        var expect2 = new NumberRegister<int>(10002, null);

        Assert.Equivalent(expect, RegBuilder.Factory.FromPlcRegName("DT303").Build());
        Assert.Equivalent(expect2, RegBuilder.Factory.FromPlcRegName("DDT10002").Build());

    }

    [Fact(DisplayName = "Parsing as Bytes Register (Casted)")]
    public void TestRegisterBuildingByteRangeCasted() {

        var expect = new BytesRegister(303, 5);

        Assert.Equivalent(expect, RegBuilder.Factory.FromPlcRegName("DT303").AsBytes(5).Build());


    }

}