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"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
var inject_1 = require("../annotation/inject");
var ERROR_MSGS = require("../constants/error_msgs");
var literal_types_1 = require("../constants/literal_types");
var METADATA_KEY = require("../constants/metadata_keys");
var serialization_1 = require("../utils/serialization");
exports.getFunctionName = serialization_1.getFunctionName;
var target_1 = require("./target");
function getDependencies(metadataReader, func) {
var constructorName = serialization_1.getFunctionName(func);
var targets = getTargets(metadataReader, constructorName, func, false);
return targets;
}
exports.getDependencies = getDependencies;
function getTargets(metadataReader, constructorName, func, isBaseClass) {
var metadata = metadataReader.getConstructorMetadata(func);
var serviceIdentifiers = metadata.compilerGeneratedMetadata;
if (serviceIdentifiers === undefined) {
var msg = ERROR_MSGS.MISSING_INJECTABLE_ANNOTATION + " " + constructorName + ".";
throw new Error(msg);
}
var constructorArgsMetadata = metadata.userGeneratedMetadata;
var keys = Object.keys(constructorArgsMetadata);
var hasUserDeclaredUnknownInjections = (func.length === 0 && keys.length > 0);
var iterations = (hasUserDeclaredUnknownInjections) ? keys.length : func.length;
var constructorTargets = getConstructorArgsAsTargets(isBaseClass, constructorName, serviceIdentifiers, constructorArgsMetadata, iterations);
var propertyTargets = getClassPropsAsTargets(metadataReader, func);
var targets = constructorTargets.concat(propertyTargets);
return targets;
}
function getConstructorArgsAsTarget(index, isBaseClass, constructorName, serviceIdentifiers, constructorArgsMetadata) {
var targetMetadata = constructorArgsMetadata[index.toString()] || [];
var metadata = formatTargetMetadata(targetMetadata);
var isManaged = metadata.unmanaged !== true;
var serviceIdentifier = serviceIdentifiers[index];
var injectIdentifier = (metadata.inject || metadata.multiInject);
serviceIdentifier = (injectIdentifier) ? (injectIdentifier) : serviceIdentifier;
if (serviceIdentifier instanceof inject_1.LazyServiceIdentifer) {
serviceIdentifier = serviceIdentifier.unwrap();
}
if (isManaged) {
var isObject = serviceIdentifier === Object;
var isFunction = serviceIdentifier === Function;
var isUndefined = serviceIdentifier === undefined;
var isUnknownType = (isObject || isFunction || isUndefined);
if (!isBaseClass && isUnknownType) {
var msg = ERROR_MSGS.MISSING_INJECT_ANNOTATION + " argument " + index + " in class " + constructorName + ".";
throw new Error(msg);
}
var target = new target_1.Target(literal_types_1.TargetTypeEnum.ConstructorArgument, metadata.targetName, serviceIdentifier);
target.metadata = targetMetadata;
return target;
}
return null;
}
function getConstructorArgsAsTargets(isBaseClass, constructorName, serviceIdentifiers, constructorArgsMetadata, iterations) {
var targets = [];
for (var i = 0; i < iterations; i++) {
var index = i;
var target = getConstructorArgsAsTarget(index, isBaseClass, constructorName, serviceIdentifiers, constructorArgsMetadata);
if (target !== null) {
targets.push(target);
}
}
return targets;
}
function getClassPropsAsTargets(metadataReader, constructorFunc) {
var classPropsMetadata = metadataReader.getPropertiesMetadata(constructorFunc);
var targets = [];
var keys = Object.keys(classPropsMetadata);
for (var _i = 0, keys_1 = keys; _i < keys_1.length; _i++) {
var key = keys_1[_i];
var targetMetadata = classPropsMetadata[key];
var metadata = formatTargetMetadata(classPropsMetadata[key]);
var targetName = metadata.targetName || key;
var serviceIdentifier = (metadata.inject || metadata.multiInject);
var target = new target_1.Target(literal_types_1.TargetTypeEnum.ClassProperty, targetName, serviceIdentifier);
target.metadata = targetMetadata;
targets.push(target);
}
var baseConstructor = Object.getPrototypeOf(constructorFunc.prototype).constructor;
if (baseConstructor !== Object) {
var baseTargets = getClassPropsAsTargets(metadataReader, baseConstructor);
targets = targets.concat(baseTargets);
}
return targets;
}
function getBaseClassDependencyCount(metadataReader, func) {
var baseConstructor = Object.getPrototypeOf(func.prototype).constructor;
if (baseConstructor !== Object) {
var baseConstructorName = serialization_1.getFunctionName(baseConstructor);
var targets = getTargets(metadataReader, baseConstructorName, baseConstructor, true);
var metadata = targets.map(function (t) {
return t.metadata.filter(function (m) {
return m.key === METADATA_KEY.UNMANAGED_TAG;
});
});
var unmanagedCount = [].concat.apply([], metadata).length;
var dependencyCount = targets.length - unmanagedCount;
if (dependencyCount > 0) {
return dependencyCount;
}
else {
return getBaseClassDependencyCount(metadataReader, baseConstructor);
}
}
else {
return 0;
}
}
exports.getBaseClassDependencyCount = getBaseClassDependencyCount;
function formatTargetMetadata(targetMetadata) {
var targetMetadataMap = {};
targetMetadata.forEach(function (m) {
targetMetadataMap[m.key.toString()] = m.value;
});
return {
inject: targetMetadataMap[METADATA_KEY.INJECT_TAG],
multiInject: targetMetadataMap[METADATA_KEY.MULTI_INJECT_TAG],
targetName: targetMetadataMap[METADATA_KEY.NAME_TAG],
unmanaged: targetMetadataMap[METADATA_KEY.UNMANAGED_TAG]
};
}
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