import {Run, RunProperty, RunFonts, createDefaultRunProperty} from "./run";
import {Insert} from "./insert";
import {Delete} from "./delete";
import {BookmarkStart} from "./bookmark-start";
import {BookmarkEnd} from "./bookmark-end";
import {Comment} from "./comment";
import {CommentEnd} from "./comment-end";

export type ParagraphChild =
    | Run
    | Insert
    | Delete
    | BookmarkStart
    | BookmarkEnd
    | Comment
    | CommentEnd;

export type AlignmentType =
    | "center"
    | "left"
    | "right"
    | "both"
    | "justified"
    | "distribute"
    | "end";

export type SpecialIndentKind = "firstLine" | "hanging";

export type LineSpacingType = "atLeast" | "auto" | "exact"

export type ParagraphProperty = {
    align?: AlignmentType;
    styleId?: string;
    indent?: {
        left: number;
        specialIndentKind?: SpecialIndentKind;
        specialIndentSize?: number;
    };
    numbering?: {
        id: number;
        level: number;
    };
    lineSpacing?: {
        before?: number;
        after?: number;
        line?: number;
        lineRule?: LineSpacingType;
    };
    runProperty: RunProperty;
    keepNext: boolean;
    keepLines: boolean;
    pageBreakBefore: boolean;
    windowControl: boolean;
};

export const createDefaultParagraphProperty = (): ParagraphProperty => {
    return {
        runProperty: createDefaultRunProperty(),
        keepNext: false,
        keepLines: false,
        pageBreakBefore: false,
        windowControl: false,
    };
};

export class Paragraph {
    hasNumberings = false;
    children: ParagraphChild[] = [];
    property: ParagraphProperty = createDefaultParagraphProperty();

    addRun(run: Run) {
        this.children.push(run);
        return this;
    }

    addInsert(ins: Insert) {
        this.children.push(ins);
        return this;
    }

    addDelete(del: Delete) {
        this.children.push(del);
        return this;
    }

    addBookmarkStart(id: number, name: string) {
        this.children.push(new BookmarkStart(id, name));
        return this;
    }

    addBookmarkEnd(id: number) {
        this.children.push(new BookmarkEnd(id));
        return this;
    }

    addCommentStart(comment: Comment) {
        this.children.push(comment);
        return this;
    }

    addCommentEnd(end: CommentEnd) {
        this.children.push(end);
        return this;
    }

    align(type: AlignmentType) {
        this.property.align = type;
        return this;
    }

    style(id: string) {
        this.property.styleId = id;
        return this;
    }

    indent(
        left: number,
        specialIndentKind?: SpecialIndentKind,
        specialIndentSize?: number
    ) {
        this.property.indent = {left, specialIndentKind, specialIndentSize};
        return this;
    }

    numbering(id: number, level: number) {
        this.hasNumberings = true;
        this.property.numbering = {id, level};
        return this;
    }

    lineSpacing(before?: number, after?: number, line?: number, lineRule?: LineSpacingType) {
        this.property.lineSpacing = {
                before,
                after,
                line,
                lineRule
            }
        return this;
    }

    keepNext(v: boolean) {
        this.property = {...this.property, keepNext: v};
        return this;
    }

    keepLines(v: boolean) {
        this.property = {...this.property, keepLines: v};
        return this;
    }

    pageBreakBefore(v: boolean) {
        this.property = {...this.property, pageBreakBefore: v};
        return this;
    }

    windowControl(v: boolean) {
        this.property = {...this.property, windowControl: v};
        return this;
    }

    // run property
    size(size: number) {
        this.property.runProperty = {...this.property.runProperty, size};
        return this;
    }

    bold() {
        this.property.runProperty = {...this.property.runProperty, bold: true};
        return this;
    }

    italic() {
        this.property.runProperty = {...this.property.runProperty, italic: true};
        return this;
    }

    fonts(fonts: RunFonts) {
        this.property.runProperty = {...this.property.runProperty, fonts};
        return this;
    }
}