let undocMethodNames = {
    "ngOnChanges": 1
};

 
export class PropInfo {
    name: string;
    type: string;
    typeLink: string;
    defaultValue: string;
    docText: string;
    isInput: boolean;
    isOutput: boolean;
    isDeprecated: boolean;

    errorMessages: string[];


    constructor(sourceData) {
        this.errorMessages = [];

        this.name = sourceData.name;
        this.docText = sourceData.summary || "";
        this.docText = this.docText.replace(/[\n\r]+/g, " ").trim();
        
        let tempDefaultVal = sourceData.syntax["return"].defaultValue;
        this.defaultValue = tempDefaultVal ? tempDefaultVal.toString() : "";
        this.defaultValue = this.defaultValue.replace(/\|/, "\\|");
        this.type = sourceData.syntax["return"].type || "";
        this.type = this.type.toString().replace(/\|/, "\\|");
        
        if (sourceData.tags) {
            let depTag = sourceData.tags.find(tag => tag.name === "deprecated");
            
            if (depTag) {
                this.isDeprecated = true;
                    this.docText = "(**Deprecated:** " + depTag.text.replace(/[\n\r]+/g, " ").trim() + ") " + this.docText;
            }
        }

        this.isInput = false;
        this.isOutput = false;

        if (sourceData.decorators) {
            sourceData.decorators.forEach(dec => {
                //console.log(dec);
                if (dec.name === "Input") {
                    this.isInput = true;
                    
                    if (dec.arguments) {
                        let bindingName = dec.arguments["bindingPropertyName"];
                        
                        if (bindingName && (bindingName !== ""))
                            this.name = bindingName.replace(/['"]/g, "");
                    }
                    
                    if (!this.docText && !this.isDeprecated) {
                        this.errorMessages.push(`Warning: Input "${sourceData.name}" has no doc text.`);
                    }
                }

                if (dec.name === "Output") {
                    this.isOutput = true;

                    if (!this.docText && !this.isDeprecated) {
                        this.errorMessages.push(`Warning: Output "${sourceData.name}" has no doc text.`);
                    }
                }
            });
        }
    }

    get errors() {
        return this.errorMessages;
    }
};


export class ParamInfo {
    name: string;
    type: string;
    defaultValue: string;
    docText: string;
    combined: string;
    isOptional: boolean;


    constructor(sourceData) {
        this.name = sourceData.id;
        this.type = sourceData.type.toString().replace(/\s/g, "");
        this.defaultValue = sourceData.defaultValue;
        this.docText = sourceData.description.replace(/[\n\r]+/g, " ").trim();

        this.isOptional = false;

        if (sourceData.flags) {
            let flag = sourceData.flags.find(flag => flag.name === "isOptional");

            if (flag) {
                this.isOptional = true;
            }
        }

        this.combined = this.name;

        if (this.isOptional)
            this.combined += "?";

        this.combined += `: \`${this.type}\``;
        
        if (this.defaultValue !== "")
            this.combined += ` = \`${this.defaultValue}\``;
    }
}


export class MethodSigInfo {
    name: string;
    docText: string;
    returnType: string;
    returnDocText: string;
    returnsSomething: boolean;
    signature: string;
    params: ParamInfo[];
    isDeprecated: boolean;

    errorMessages: string[];


    constructor(sourceData) {
        this.errorMessages = [];

        this.name = sourceData.name;

        this.docText = sourceData.summary || "";
        this.docText = this.docText.replace(/[\n\r]+/g, " ").trim();

        if (!this.docText) {
            this.errorMessages.push(`Warning: method "${sourceData.name}" has no doc text.`);
        }

        this.returnType = sourceData.syntax["return"].type || "";
        this.returnType = this.returnType.toString().replace(/\s/g, "");
        this.returnsSomething = this.returnType && (this.returnType !== "void");
        this.returnDocText = sourceData.syntax["return"].summary || "";

        if (this.returnDocText.toLowerCase() === "nothing") {
            this.returnsSomething = false;
        }

        if (this.returnsSomething && !this.returnDocText) {
            this.errorMessages.push(`Warning: Return value of method "${sourceData.name}" has no doc text.`);
        }

        this.isDeprecated = false;

        if (sourceData.tags) {
            let depTag = sourceData.tags.find(tag => tag.name === "deprecated");
            
            if (depTag) {
                this.isDeprecated = true;
                    this.docText = "(**Deprecated:** " + depTag.text.replace(/[\n\r]+/g, " ").trim() + ") " + this.docText;
            }
        }

        this.params = [];
        let paramStrings = [];

        if (sourceData.syntax.parameters) {
            sourceData.syntax.parameters.forEach(rawParam => {
                if (!rawParam.description) {
                    this.errorMessages.push(`Warning: parameter "${rawParam.name}" of method "${sourceData.name}" has no doc text.`);
                }

                let param = new ParamInfo(rawParam);
                this.params.push(param);
                paramStrings.push(param.combined);
            });
        }

        this.signature = "(" + paramStrings.join(", ") + ")";
    }

    get errors() {
        return this.errorMessages;
    }
}


export class ComponentInfo {
    name: string;
    itemType: string;
    properties: PropInfo[];
    methods: MethodSigInfo[];
    hasInputs: boolean;
    hasOutputs: boolean;
    hasMethods: boolean;
    sourcePath: string;
    sourceLine: number;


    constructor(sourceData) {
        this.name = sourceData.items[0].name;
        this.itemType = sourceData.items[0].type;

        this.hasInputs = false;
        this.hasOutputs = false;
        this.hasMethods = false;

        this.sourcePath = sourceData.items[0].source.path;
        this.sourceLine = sourceData.items[0].source.line;

        if (this.itemType === 'type alias') {
            return;
        }
        
        this.properties = [];
        this.methods = [];

        sourceData.items.forEach(item => {
            switch(item.type) {
                case "property":
                case "accessor":
                    var prop = new PropInfo(item);
                    this.properties.push(prop);

                    if (prop.isInput) {
                        this.hasInputs = true;
                    }

                    if (prop.isOutput) {
                        this.hasOutputs = true;
                    }
                    break;
                
                case "method":
                    if (item.flags && (item.flags.length > 0) &&
                        !item.flags.find(flag => flag.name === "isPrivate") &&
                        !item.flags.find(flag => flag.name === "isProtected") &&
                        !undocMethodNames[item.name]
                    ) {
                        this.methods.push(new MethodSigInfo(item));
                        this.hasMethods = true;
                    }
                    break;

                default:
                    break;
            }
        });
    }


    get errors() {
        let combinedErrors = [];

        this.methods.forEach(method => {
            method.errors.forEach(err => {
                combinedErrors.push(err);
            })
        });

        this.properties.forEach(prop => {
            prop.errors.forEach(err => {
                combinedErrors.push(err);
            });
        });

        return combinedErrors;
    }
}