//-----------------------------------------------------------------------
// -----------------------------------------------------------------------
// file="ExpExceptions"
// Project: StgSharp
// AuthorGroup: Nitload Space
// Copyright (c) Nitload Space. All rights reserved.
//     
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to deal
// in the Software without restriction, including without limitation the rights
// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
// copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in all
// copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
// SOFTWARE.
//     
// -----------------------------------------------------------------------
// -----------------------------------------------------------------------
using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.IO;
using System.Runtime.CompilerServices;
using System.Runtime.Serialization;
using System.Security.Cryptography.X509Certificates;
using System.Text;

namespace StgSharp.Script.Express
{
    public class ExpException : Exception
    {

        private Token _pos;

        public ExpException(string message) : base(message) { }

        public ExpException(Token position, string message)
            : base($"Express compile error at {position.Line}-{position.Column}:\n{message}")
        {
            _pos = position;
        }

        public ExpException(ExpSyntaxNode node, string message)
            : base(
            $"Express compile error at {node.Source.Line}-{node.Source.Column}:\n{message}")
        {
            _pos = node._source;
        }

    }

    public class ExpInvalidCharException : ExpException
    {

        public ExpInvalidCharException(char c) : base($"An unknown char {c} occurred.") { }

        public ExpInvalidCharException(int index) : base($"Cannot read a token from line at {index}") { }

    }

    public class ExpStringNotCloseException : ExpException
    {

        public ExpStringNotCloseException(int linenum) : base($"A string does not closed at end of line {linenum}.") { }

    }

    public class ExpInvalidSyntaxException : ExpException
    {

        public ExpInvalidSyntaxException(string message) : base(message) { }

        public static void ThrowNonCollectionIndex(Token t)
        {
            throw new ExpInvalidSyntaxException(
                $"Use a collection indexer to a non-collection variable at line {t.Line} column {t.Column}");
        }

        public static void ThrowNoOperator(Token t)
        {
            throw new ExpInvalidSyntaxException(
                $"No operator but more than one operand before line {t.Line} column {t.Column}");
        }

    }

    public class ExpInvalidElementDeclareEndingExceptions : ExpException
    {

        public ExpInvalidElementDeclareEndingExceptions(string declaredName, string endedName)
            : base(
            $"The datatype is declared with name {declaredName} but ended with {endedName}") { }

    }

    public class ExpInvalidElementNameException : ExpException
    {

        public ExpInvalidElementNameException(string elementName, ExpSchema schema)
            : base($"Cannot find any element named {elementName} in {schema.Name}") { }

    }

    public class ExpInvalidTypeException : ExpException
    {

        public ExpInvalidTypeException(ExpSyntaxNode node, string required, string provided)
            : base(
            node,
            $"Type {required} is required at position, but a {provided} instance is provided.") { }

        public ExpInvalidTypeException(Token t, string required, string provided)
            : base(
            t,
            $"Type {required} is required at position, but a {provided} instance is provided.") { }

    }

    public class ExpCaseNotFoundException : ArgumentOutOfRangeException
    {

        public ExpCaseNotFoundException(ExpSwitchNode token, ExpSyntaxNode label)
            : base(
            $"Attempt to read or write the label at ({token.Line},{token.Column}), that does not exist in SWITCH expression at ({token.Line},{token.Column})") { }

    }

    public class ExpInvalidCollectionMemberTypeException : InvalidCastException
    {

        public ExpInvalidCollectionMemberTypeException(ExpElementInstance elementInstance, ExpCollectionBase collection)
            : base(
            $"Attempt to add or remove an element of type: {elementInstance.ElementType} from a collection collects {collection.MemberType}") { }

    }

    public class ExpInvalidSchemaIncludeException : InvalidOperationException
    {

        public ExpInvalidSchemaIncludeException(ExpSchema context, ExpSchema source)
            : base(
            $"Attempted to refer to an EXPRESS language expression in the current schema context '{context.Name}', but this expression comes from another schema '{source.Name}' that has not been included.") { }

    }

    public class ExpElementLoadException : TypeLoadException
    {

        public ExpElementLoadException(string typeName, ExpSchema context)
            : base(
            $"Cannot find the element {typeName} in schema {context.Name} and its included schemas") { }

    }

    public class ExpCompileNotInitializedException : InvalidOperationException
    {

        public ExpCompileNotInitializedException()
            : base("Attempt to compile an EXPRESS script before the init of compiler.") { }

    }

    public class  ExpCompileException : ExpException
    {

        public ExpCompileException(Token pos, string message)
            : base(
            $"Compiler exception occur when processing token at line {pos.Line}, column {pos.Column}. Detailed message:{Environment.NewLine}{message} ") { }

    }
}