import * as sl from "../socketLib/socketLib";
import { QRFunction, QRServerFunction, TypedEvent } from "../socketLib/socketLib";
import * as types from "../common/types";
import { AvailableProjectConfig } from "../common/types";

/**
 * Consists of the following contracts
 *
 * a contract on how the client --calls--> server
 * a contract on how the server --calls--> the client that is calling the server
 * a contract on how the server --anycasts-> all clients
 */
export var server = {
    echo: {} as QRServerFunction<{ text: string, num: number }, { text: string, num: number }, typeof client>,
    filePaths: {} as QRFunction<{}, { filePaths: types.FilePath[], rootDir: string, completed: boolean }>,
    makeAbsolute: {} as QRFunction<{ relativeFilePath: string }, { filePath: string }>,

    /**
     * File stuff
     */
    openFile: {} as QRFunction<{ filePath: string }, { contents: string, saved: boolean, editorOptions: types.EditorOptions }>,
    closeFile: {} as QRFunction<{ filePath: string }, {}>,
    editFile: {} as QRFunction<{ filePath: string, edits: CodeEdit[] }, { saved: boolean }>,
    saveFile: {} as QRFunction<{ filePath: string }, {}>,
    getFileStatus: {} as QRFunction<{ filePath: string }, { saved: boolean }>,
    /** File Tree */
    addFile: {} as QRFunction<{ filePath: string }, { error?: string }>,
    addFolder: {} as QRFunction<{ filePath: string }, { error?: string }>,
    deleteFromDisk: {} as QRFunction<{ files: string[], dirs: string[] }, { errors?: { filePath: string, error: string }[] }>,
    duplicateFile: {} as QRFunction<{ src: string, dest: string }, { error: string }>,
    duplicateDir: {} as QRFunction<{ src: string, dest: string }, { error: string }>,
    movePath: {} as QRFunction<{ src: string, dest: string }, { error: string }>, // both files / folders
    launchDirectory: {} as QRFunction<{ filePath: string }, { error?: Error }>, // both files / folders
    launchTerminal: {} as QRFunction<{ filePath: string }, { error?: Error }>, // both files / folders

    /**
     * config stuff
     */
    availableProjects: {} as QRFunction<{}, AvailableProjectConfig[]>,
    getActiveProjectConfigDetails: {} as QRFunction<{}, AvailableProjectConfig>,
    setActiveProjectConfigDetails: {} as QRFunction<AvailableProjectConfig, {}>,
    isFilePathInActiveProject: {} as QRFunction<{ filePath: string }, { inActiveProject: boolean }>,
    setOpenUITabs: {} as QRFunction<{ sessionId: string, tabLayout: types.TabLayout, selectedTabId: string | null }, {}>,
    getOpenUITabs: {} as QRFunction<{ sessionId: string }, { tabLayout: types.TabLayout, selectedTabId: string | null }>,
    activeProjectFilePaths: {} as QRFunction<{}, { filePaths: string[] }>,
    sync: {} as QRFunction<{}, {}>,
    setSetting: {} as QRFunction<{ sessionId: string, settingId: string, value: any }, {}>,
    getSetting: {} as QRFunction<{ sessionId: string, settingId: string }, any>,
    getValidSessionId: {} as QRFunction<{ sessionId: string }, { sessionId: string; }>,

    /**
     * Error stuff
     */
    getErrors: {} as QRFunction<{}, types.ErrorsByFilePath>,

    /**
     * Tested
     */
    getTestResults: {} as QRFunction<{}, types.TestSuitesByFilePath>,

    /**
     * Project Service
     */
    getCompletionsAtPosition: {} as QRFunction<Types.GetCompletionsAtPositionQuery, Types.GetCompletionsAtPositionResponse>,
    getCompletionEntryDetails: {} as QRFunction<Types.GetCompletionEntryDetailsQuery, Types.GetCompletionEntryDetailsResponse>,
    quickInfo: {} as QRFunction<Types.QuickInfoQuery, Types.QuickInfoResponse>,
    getRenameInfo: {} as QRFunction<Types.GetRenameInfoQuery, Types.GetRenameInfoResponse>,
    getDefinitionsAtPosition: {} as QRFunction<Types.GetDefinitionsAtPositionQuery, Types.GetDefinitionsAtPositionResponse>,
    getReferences: {} as QRFunction<Types.GetReferencesQuery, Types.GetReferencesResponse>,
    getDoctorInfo: {} as QRFunction<Types.GetDoctorInfoQuery, Types.GetDoctorInfoResponse>,
    formatDocument: {} as QRFunction<Types.FormatDocumentQuery, Types.FormatDocumentResponse>,
    formatDocumentRange: {} as QRFunction<Types.FormatDocumentRangeQuery, Types.FormatDocumentRangeResponse>,
    getNavigateToItems: {} as QRFunction<{}, types.GetNavigateToItemsResponse>,
    getNavigateToItemsForFilePath: {} as QRFunction<{ filePath: string }, types.GetNavigateToItemsResponse>,
    getDependencies: {} as QRFunction<{}, Types.GetDependenciesResponse>,
    getAST: {} as QRFunction<Types.GetASTQuery, Types.GetASTResponse>,
    getQuickFixes: {} as QRFunction<Types.GetQuickFixesQuery, Types.GetQuickFixesResponse>,
    applyQuickFix: {} as QRFunction<Types.ApplyQuickFixQuery, Types.ApplyQuickFixResponse>,
    getSemanticTree: {} as QRFunction<Types.GetSemanticTreeQuery, Types.GetSemanticTreeReponse>,
    getOccurrencesAtPosition: {} as QRFunction<Types.GetOccurancesAtPositionQuery, Types.GetOccurancesAtPositionResponse>,
    getFormattingEditsAfterKeystroke: {} as QRFunction<Types.FormattingEditsAfterKeystrokeQuery, Types.FormattingEditsAfterKeystrokeResponse>,
    removeUnusedImports: {} as QRFunction<Types.FilePathQuery, types.RefactoringsByFilePath>,

    /**
     * Documentation Browser
     */
    getTopLevelModuleNames: {} as QRFunction<{}, types.GetTopLevelModuleNamesResponse>,
    getUpdatedModuleInformation: {} as QRFunction<{ filePath: string }, types.DocumentedType>,

    /** UML Diagram */
    getUmlDiagramForFile: {} as QRFunction<{ filePath: string }, { classes: types.UMLClass[] }>,

    /** tsFlow */
    getFlowRoots: {} as QRFunction<types.TsFlowRootQuery, types.TsFlowRootResponse>,

    /** live analysis */
    getLiveAnalysis: {} as QRFunction<types.LiveAnalysisQuery, types.LiveAnalysisResponse>,

    /**
     * Output Status
     */
    getCompleteOutputStatusCache: {} as QRFunction<{}, types.JSOutputStatusCache>,
    getLiveBuildResults: {} as QRFunction<{}, types.LiveBuildResults>,
    build: {} as QRFunction<{}, {}>,
    getJSOutputStatus: {} as QRFunction<Types.FilePathQuery, types.GetJSOutputStatusResponse>,

    /**
     * Live demo
     */
    enableLiveDemo: {} as QRFunction<{ filePath: string }, {}>,
    disableLiveDemo: {} as QRFunction<{}, {}>,
    enableLiveDemoReact: {} as QRFunction<{ filePath: string }, {}>,
    disableLiveDemoReact: {} as QRFunction<{}, {}>,

    /**
     * Git service
     */
    gitStatus: {} as QRFunction<{}, string>,
    gitReset: {} as QRFunction<{ filePath: string }, string>,
    gitDiff: {} as QRFunction<{ filePath: string }, types.GitDiff>,
    gitAddAllCommitAndPush: {} as QRFunction<types.GitAddAllCommitAndPushQuery, types.GitAddAllCommitAndPushResult>,
    gitFetchLatestAndRebase: {} as QRFunction<{}, types.GitAddAllCommitAndPushResult>,

    /**
     * NPM Service
     */
    npmLatest: {} as QRFunction<{ pack: string }, { description?: string, version?: string }>,

    /**
     * FARM
     */
    startFarming: {} as QRFunction<Types.FarmConfig, {}>,
    stopFarmingIfRunning: {} as QRFunction<{}, {}>,
    farmResults: {} as QRFunction<{}, Types.FarmNotification>,

    /**
     * Config creator
     */
    createEditorconfig: {} as QRFunction<{}, { alreadyPresent: string }>,

    /**
     * Settings
     */
    getSettingsFilePath: {} as QRFunction<{}, { filePath: string }>,

    /**
     * Server Disk Service
     */
    getDirItems: {} as QRFunction<{ dirPath: string }, { dirItems: types.FilePath[] }>,
}

export var client = {
    increment: {} as QRFunction<{ num: number }, { num: number }>,
}

export var cast = {
    /** for testing */
    hello: new TypedEvent<{ text: string }>(),

    /** If the file worker notices a change */
    filePathsUpdated: new TypedEvent<{ filePaths: types.FilePath[]; rootDir: string; completed: boolean }>(),

    /** If an open and already saved file changes on disk  */
    savedFileChangedOnDisk: new TypedEvent<{ filePath: string; contents: string }>(),

    /** If a user does a code edit */
    didEdits: new TypedEvent<{ filePath: string, edits: CodeEdit[] }>(),

    /** If any of the file status changes */
    didStatusChange: new TypedEvent<{ filePath: string, saved: boolean, eol: string }>(),

    /** If file editor options change */
    editorOptionsChanged: new TypedEvent<{ filePath: string, editorOptions: types.EditorOptions }>(),

    /** Errors for a file path */
    errorsDelta: new TypedEvent<types.ErrorCacheDelta>(),

    /** Tested */
    testResultsDelta: new TypedEvent<types.TestResultsDelta>(),
    testedWorking: new TypedEvent<types.Working>(),

    /** TS analysis taking place */
    tsWorking: new TypedEvent<types.Working>(),

    /** Available projects updated */
    availableProjectsUpdated: new TypedEvent<AvailableProjectConfig[]>(),

    /** Active project name updated */
    activeProjectConfigDetailsUpdated: new TypedEvent<AvailableProjectConfig>(),

    /** Active project files */
    activeProjectFilePathsUpdated: new TypedEvent<{ filePaths: string[] }>(),

    /** FARM */
    farmResultsUpdated: new TypedEvent<Types.FarmNotification>(),

    /** JS Ouput status  */
    fileOutputStatusUpdated: new TypedEvent<types.JSOutputStatus>(),
    completeOutputStatusCacheUpdated: new TypedEvent<types.JSOutputStatusCache>(),
    liveBuildResults: new TypedEvent<types.LiveBuildResults>(),

    /** Live demo */
    liveDemoData: new TypedEvent<types.LiveDemoData>(),
    liveDemoBuildComplete: new TypedEvent<types.LiveDemoBundleResult>(),

    /** Server quit */
    serverExiting: new TypedEvent<{}>(),
}


/**
 * General utility interfaces
 */
export namespace Types {
    /** Used a lot in project service */
    export interface FilePathQuery {
        filePath: string;
    }

    /** Used a lot in project service */
    export interface FilePathPositionQuery {
        filePath: string;
        position: number;
    }

    /** Used a lot in project service */
    export interface FilePathEditorPositionQuery {
        filePath: string;
        editorPosition: EditorPosition;
    }

    /**
     * FARM:
     * Find and Replace Multiple
     */
    export type FarmResultsByFilePath = { [filePath: string]: FarmResultDetails[] };
    export interface FarmResultDetails {
        filePath: string;
        /** 1 based at the moment ... todo Change it to 0 based */
        line: number;
        preview: string;
    }
    export interface FarmConfig {
        query: string;
        isRegex: boolean;
        isFullWord: boolean;
        isCaseSensitive: boolean;
        globs: string[];
    }
    export interface FarmNotification {
        completed: boolean;
        results: Types.FarmResultDetails[];
        /** Might be null if no query */
        config: Types.FarmConfig | null;
    }

    /**
     * Completions stuff
     */
    export interface GetCompletionsAtPositionQuery extends FilePathPositionQuery {
        prefix: string;
    }

    export type Completion = types.Completion;
    export interface GetCompletionsAtPositionResponse {
        completions: Completion[];
        endsInPunctuation: boolean;
    }

    export interface GetCompletionEntryDetailsQuery {
        filePath: string, position: number, label: string
    }
    export interface GetCompletionEntryDetailsResponse {
        display: string, comment: string
    }

    /**
     * Mouse hover
     */
    export interface QuickInfoQuery extends FilePathPositionQuery { }
    export interface QuickInfoResponse {
        valid: boolean; // Do we have a valid response for this query
        info?: {
            name: string;
            comment: string;
            range?: {
                from: EditorPosition,
                to: EditorPosition
            }
        },
        errors?: types.CodeError[]
    }

    /**
     * Rename refactoring
     */
    export interface GetRenameInfoQuery extends FilePathPositionQuery { }
    export interface GetRenameInfoResponse {
        canRename: boolean;
        localizedErrorMessage?: string;
        displayName?: string;
        fullDisplayName?: string; // this includes the namespace name
        kind?: string;
        kindModifiers?: string;
        triggerSpan?: ts.TextSpan;
        locations?: {
            /** Note that the Text Spans are from bottom of file to top of file */
            [filePath: string]: ts.TextSpan[]
        };
    }

    /**
     * Goto definition
     */
    export interface GetDefinitionsAtPositionQuery extends FilePathPositionQuery { }
    export interface GetDefinitionsAtPositionResponse {
        projectFileDirectory: string;
        definitions: {
            filePath: string;
            position: EditorPosition;
            span: ts.TextSpan;
        }[]
    }

    /**
     * Doctor
     */
    export interface LangHelp {
        displayName: string;
        help: string;
    }
    export interface GetDoctorInfoQuery extends FilePathEditorPositionQuery { }
    export interface GetDoctorInfoResponse {
        valid: boolean;
        definitions: {
            filePath: string;
            position: EditorPosition;
            span: ts.TextSpan;
        }[];
        quickInfo?: {
            name: string;
            comment: string;
        };
        langHelp?: LangHelp;
        references: ReferenceDetails[];
    }

    /**
     * References
     */
    export interface GetReferencesQuery extends FilePathPositionQuery { }
    export interface GetReferencesResponse {
        references: ReferenceDetails[];
    }

    /**
     * Formatting
     */
    export interface FormatDocumentQuery extends FilePathQuery {
        editorOptions: types.EditorOptions;
    }
    export interface FormatDocumentResponse {
        edits: FormattingEdit[];
    }
    export interface FormatDocumentRangeQuery extends FilePathQuery {
        editorOptions: types.EditorOptions;
        from: EditorPosition;
        to: EditorPosition;
    }
    export interface FormatDocumentRangeResponse {
        edits: FormattingEdit[];
    }
    export interface FormattingEditsAfterKeystrokeQuery extends FilePathEditorPositionQuery {
        key: string
        editorOptions: types.EditorOptions;
    }
    export interface FormattingEdit {
        from: EditorPosition,
        to: EditorPosition,
        newText: string
    }
    export interface FormattingEditsAfterKeystrokeResponse {
        edits: FormattingEdit[]
    }

    /**
     * Dependency View
     */
    export interface FileDependency {
        sourcePath: string;
        targetPath: string;
    }
    export interface GetDependenciesResponse {
        links: FileDependency[]
    }

    /**
     * AST View
     */
    export enum ASTMode {
        /** ts.forEachChild() */
        visitor,
        /** node.getChildren() */
        children,
    }
    export interface GetASTQuery extends FilePathQuery {
        mode: ASTMode;
    }
    export interface GetASTResponse {
        root?: NodeDisplay
    }
    export interface NodeDisplay {
        kind: string;
        children: NodeDisplay[];

        pos: number;
        end: number;

        /** Represents how many parents it has */
        depth: number;
        /** If we had a flat structure this is where this item would belong */
        nodeIndex: number;

        /** Key Details I understand */
        details?: any;

        /**
         * Best attempt serialization of original node
         * We remove `parent`
         */
        rawJson: any;
    }

    /**
     * Quick Fix
     */
    /** Query interfaces */
    export interface GetQuickFixesQuery extends FilePathPositionQuery {
        indentSize: number;
    }
    export interface QuickFixDisplay {
        /** Uniquely identifies which function will be called to carry out the fix */
        key: string;
        /** What will be displayed in the UI */
        display: string;
    }
    /** Apply interfaces */
    export interface GetQuickFixesResponse {
        fixes: QuickFixDisplay[];
    }
    export interface ApplyQuickFixQuery extends Types.GetQuickFixesQuery {
        key: string;

        // This will need to be special cased
        additionalData?: any;
    }
    export interface ApplyQuickFixResponse {
        refactorings: types.RefactoringsByFilePath;
    }

    /**
     * Semantic view
     */
    export interface GetSemanticTreeQuery extends FilePathQuery { }
    export interface SemanticTreeNode {
        text: string;
        kind: string;
        kindModifiers: string;
        start: EditorPosition;
        end: EditorPosition;
        subNodes: SemanticTreeNode[];
    }
    export interface GetSemanticTreeReponse {
        nodes: SemanticTreeNode[];
    }
    /**
     * Get occurances
     */
    export interface GetOccurancesAtPositionQuery extends FilePathEditorPositionQuery { }
    export interface GetOccurancesAtPositionResult {
        filePath: string;
        start: EditorPosition;
        end: EditorPosition;
        isWriteAccess: boolean;
    }
    export interface GetOccurancesAtPositionResponse {
        results: GetOccurancesAtPositionResult[];
    }
}