/**
 * @license
 * Copyright Google LLC All Rights Reserved.
 *
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://angular.io/license
 */
import { getCompilerFacade } from '../../compiler/compiler_facade';
import { NG_FACTORY_DEF } from '../../render3/fields';
import { getClosureSafeProperty } from '../../util/property';
import { NG_PROV_DEF } from '../interface/defs';
import { angularCoreDiEnv } from './environment';
import { convertDependencies, reflectDependencies } from './util';
/**
 * Compile an Angular injectable according to its `Injectable` metadata, and patch the resulting
 * injectable def (`ɵprov`) onto the injectable type.
 */
export function compileInjectable(type, meta) {
    let ngInjectableDef = null;
    let ngFactoryDef = null;
    // if NG_PROV_DEF is already defined on this class then don't overwrite it
    if (!type.hasOwnProperty(NG_PROV_DEF)) {
        Object.defineProperty(type, NG_PROV_DEF, {
            get: () => {
                if (ngInjectableDef === null) {
                    const compiler = getCompilerFacade({ usage: 0 /* JitCompilerUsage.Decorator */, kind: 'injectable', type });
                    ngInjectableDef = compiler.compileInjectable(angularCoreDiEnv, `ng:///${type.name}/ɵprov.js`, getInjectableMetadata(type, meta));
                }
                return ngInjectableDef;
            },
        });
    }
    // if NG_FACTORY_DEF is already defined on this class then don't overwrite it
    if (!type.hasOwnProperty(NG_FACTORY_DEF)) {
        Object.defineProperty(type, NG_FACTORY_DEF, {
            get: () => {
                if (ngFactoryDef === null) {
                    const compiler = getCompilerFacade({ usage: 0 /* JitCompilerUsage.Decorator */, kind: 'injectable', type });
                    ngFactoryDef = compiler.compileFactory(angularCoreDiEnv, `ng:///${type.name}/ɵfac.js`, {
                        name: type.name,
                        type,
                        typeArgumentCount: 0,
                        deps: reflectDependencies(type),
                        target: compiler.FactoryTarget.Injectable
                    });
                }
                return ngFactoryDef;
            },
            // Leave this configurable so that the factories from directives or pipes can take precedence.
            configurable: true
        });
    }
}
const USE_VALUE = getClosureSafeProperty({ provide: String, useValue: getClosureSafeProperty });
function isUseClassProvider(meta) {
    return meta.useClass !== undefined;
}
function isUseValueProvider(meta) {
    return USE_VALUE in meta;
}
function isUseFactoryProvider(meta) {
    return meta.useFactory !== undefined;
}
function isUseExistingProvider(meta) {
    return meta.useExisting !== undefined;
}
function getInjectableMetadata(type, srcMeta) {
    // Allow the compilation of a class with a `@Injectable()` decorator without parameters
    const meta = srcMeta || { providedIn: null };
    const compilerMeta = {
        name: type.name,
        type: type,
        typeArgumentCount: 0,
        providedIn: meta.providedIn,
    };
    if ((isUseClassProvider(meta) || isUseFactoryProvider(meta)) && meta.deps !== undefined) {
        compilerMeta.deps = convertDependencies(meta.deps);
    }
    // Check to see if the user explicitly provided a `useXxxx` property.
    if (isUseClassProvider(meta)) {
        compilerMeta.useClass = meta.useClass;
    }
    else if (isUseValueProvider(meta)) {
        compilerMeta.useValue = meta.useValue;
    }
    else if (isUseFactoryProvider(meta)) {
        compilerMeta.useFactory = meta.useFactory;
    }
    else if (isUseExistingProvider(meta)) {
        compilerMeta.useExisting = meta.useExisting;
    }
    return compilerMeta;
}
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* @license\n * Copyright Google LLC All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\n\nimport {getCompilerFacade, JitCompilerUsage, R3InjectableMetadataFacade} from '../../compiler/compiler_facade';\nimport {Type} from '../../interface/type';\nimport {NG_FACTORY_DEF} from '../../render3/fields';\nimport {getClosureSafeProperty} from '../../util/property';\nimport {resolveForwardRef} from '../forward_ref';\nimport {Injectable} from '../injectable';\nimport {NG_PROV_DEF} from '../interface/defs';\nimport {ClassSansProvider, ExistingSansProvider, FactorySansProvider, ValueProvider, ValueSansProvider} from '../interface/provider';\n\nimport {angularCoreDiEnv} from './environment';\nimport {convertDependencies, reflectDependencies} from './util';\n\n\n\n/**\n * Compile an Angular injectable according to its `Injectable` metadata, and patch the resulting\n * injectable def (`ɵprov`) onto the injectable type.\n */\nexport function compileInjectable(type: Type<any>, meta?: Injectable): void {\n  let ngInjectableDef: any = null;\n  let ngFactoryDef: any = null;\n\n  // if NG_PROV_DEF is already defined on this class then don't overwrite it\n  if (!type.hasOwnProperty(NG_PROV_DEF)) {\n    Object.defineProperty(type, NG_PROV_DEF, {\n      get: () => {\n        if (ngInjectableDef === null) {\n          const compiler =\n              getCompilerFacade({usage: JitCompilerUsage.Decorator, kind: 'injectable', type});\n          ngInjectableDef = compiler.compileInjectable(\n              angularCoreDiEnv, `ng:///${type.name}/ɵprov.js`, getInjectableMetadata(type, meta));\n        }\n        return ngInjectableDef;\n      },\n    });\n  }\n\n  // if NG_FACTORY_DEF is already defined on this class then don't overwrite it\n  if (!type.hasOwnProperty(NG_FACTORY_DEF)) {\n    Object.defineProperty(type, NG_FACTORY_DEF, {\n      get: () => {\n        if (ngFactoryDef === null) {\n          const compiler =\n              getCompilerFacade({usage: JitCompilerUsage.Decorator, kind: 'injectable', type});\n          ngFactoryDef = compiler.compileFactory(angularCoreDiEnv, `ng:///${type.name}/ɵfac.js`, {\n            name: type.name,\n            type,\n            typeArgumentCount: 0,  // In JIT mode types are not available nor used.\n            deps: reflectDependencies(type),\n            target: compiler.FactoryTarget.Injectable\n          });\n        }\n        return ngFactoryDef;\n      },\n      // Leave this configurable so that the factories from directives or pipes can take precedence.\n      configurable: true\n    });\n  }\n}\n\ntype UseClassProvider = Injectable&ClassSansProvider&{deps?: any[]};\n\nconst USE_VALUE =\n    getClosureSafeProperty<ValueProvider>({provide: String, useValue: getClosureSafeProperty});\n\nfunction isUseClassProvider(meta: Injectable): meta is UseClassProvider {\n  return (meta as UseClassProvider).useClass !== undefined;\n}\n\nfunction isUseValueProvider(meta: Injectable): meta is Injectable&ValueSansProvider {\n  return USE_VALUE in meta;\n}\n\nfunction isUseFactoryProvider(meta: Injectable): meta is Injectable&FactorySansProvider {\n  return (meta as FactorySansProvider).useFactory !== undefined;\n}\n\nfunction isUseExistingProvider(meta: Injectable): meta is Injectable&ExistingSansProvider {\n  return (meta as ExistingSansProvider).useExisting !== undefined;\n}\n\nfunction getInjectableMetadata(type: Type<any>, srcMeta?: Injectable): R3InjectableMetadataFacade {\n  // Allow the compilation of a class with a `@Injectable()` decorator without parameters\n  const meta: Injectable = srcMeta || {providedIn: null};\n  const compilerMeta: R3InjectableMetadataFacade = {\n    name: type.name,\n    type: type,\n    typeArgumentCount: 0,\n    providedIn: meta.providedIn,\n  };\n  if ((isUseClassProvider(meta) || isUseFactoryProvider(meta)) && meta.deps !== undefined) {\n    compilerMeta.deps = convertDependencies(meta.deps);\n  }\n  // Check to see if the user explicitly provided a `useXxxx` property.\n  if (isUseClassProvider(meta)) {\n    compilerMeta.useClass = meta.useClass;\n  } else if (isUseValueProvider(meta)) {\n    compilerMeta.useValue = meta.useValue;\n  } else if (isUseFactoryProvider(meta)) {\n    compilerMeta.useFactory = meta.useFactory;\n  } else if (isUseExistingProvider(meta)) {\n    compilerMeta.useExisting = meta.useExisting;\n  }\n  return compilerMeta;\n}\n"]}