/*
 * generated by Xtext 2.12.0
 */
package com.minres.rdl.generator

import com.minres.rdl.rdl.ComponentDefinition
import com.minres.rdl.rdl.ComponentDefinitionType
import org.eclipse.emf.ecore.resource.Resource
import org.eclipse.xtext.generator.AbstractGenerator
import org.eclipse.xtext.generator.IFileSystemAccess2
import org.eclipse.xtext.generator.IGeneratorContext
import static extension com.minres.rdl.RdlUtil.*
import java.util.Map

/**
 * Generates code from your model files on save.
 * 
 * See https://www.eclipse.org/Xtext/documentation/303_runtime_concepts.html#code-generation
 */
class RDLGenerator extends AbstractGenerator {
	override void doGenerate(Resource resource, IFileSystemAccess2 fsa, IGeneratorContext context) {
        val force = if(context instanceof RdlGeneratorContext) context.forceOverwrite else false
        val namespace = if(context instanceof RdlGeneratorContext) context.namespace else "sysc"
        resource.resourceSet.allContents.filter[ it instanceof ComponentDefinition].map[it as ComponentDefinition].forEach[
            val genMap = it.fileGenerator
            if(genMap!==null) genMap.forEach[p1, gen |
                val header = gen.generateHeader(namespace)
                val inclFileName = p1+'/'+it.effectiveName+'.h'
                val inclCfg = fsa.outputConfig('incl-out')
                if((force || !fsa.isFile(inclFileName, inclCfg) || gen.overwrite) && header!==null && header.length>0)
                	fsa.generateFile(inclFileName, inclCfg, header)
                val source = gen.generateSource(namespace)
                val srcFileName = p1+'/'+it.effectiveName+'.cpp'
                val srcCfg = fsa.outputConfig('src-out')
                if((force || !fsa.isFile(srcFileName, srcCfg) ||  gen.overwrite) && source!==null && source.length>0)
                	fsa.generateFile(srcFileName, srcCfg, source)
            ]
        ]
    }
    	
    def Map<String, RdlBaseGenerator> fileGenerator(ComponentDefinition definition){
        switch(definition.type){
            case ComponentDefinitionType.REGFILE: #{
                'gen' -> new RegfileGenerator(definition),
                'fw' -> new FwRegfileGenerator(definition),
                '.' -> new ModuleGenerator(definition)}
            case ComponentDefinitionType.ADDRMAP: #{
                'gen' -> new AddrmapGenerator(definition),
                'fw' -> new FwAddrmapGenerator(definition)}
            default: null
        }
    }

    def String outputConfig(IFileSystemAccess2 fsa, String string){
        var output_config = string
        try {fsa.getURI("", output_config)} catch (Exception e) {output_config ='DEFAULT_OUTPUT'}
        return output_config
    }

}