import { ipcMain } from 'electron';
import { createHandler } from '../database/LocalSystem.js';
import Book from '../database/models/Book.js';
import type { BookProps, GuideLine, GuideLineAI, Act, Issue, WorldProps } from '../database/models/Book.js';

// ============================================================
// 1. GET /books - Get all books
// ============================================================
ipcMain.handle('db:book:books', createHandler<void, BookProps[]>(
        async function(userId: string, _body: void, lang: 'fr' | 'en'):Promise<BookProps[]> {
            return await Book.getBooks(userId, lang);
        }
    )
);

// ============================================================
// 2. GET /book/:id - Get single book
// ============================================================
ipcMain.handle('db:book:bookBasicInformation', createHandler<string, BookProps>(
        async function(userId: string, bookId: string, lang: 'fr' | 'en'):Promise<BookProps> {
            return await Book.getBook(bookId, userId);
        }
    )
);

// ============================================================
// 3. POST /book/basic-information - Update book basic info
// ============================================================
interface UpdateBookBasicData {
    title: string;
    subTitle: string;
    summary: string;
    publicationDate: string;
    wordCount: number;
    bookId: string;
}

ipcMain.handle(
    'db:book:updateBasicInformation',
    createHandler<UpdateBookBasicData, boolean>(
        function(userId: string, data: UpdateBookBasicData, lang: 'fr' | 'en') {
            return Book.updateBookBasicInformation(
                userId,
                data.title,
                data.subTitle,
                data.summary,
                data.publicationDate,
                data.wordCount,
                data.bookId,
                lang
            );
        }
    )
);
// Frontend: invoke('db:book:updateBasicInformation', data)

// ============================================================
// 4. GET /book/guide-line - Get guideline
// ============================================================
ipcMain.handle(
    'db:book:guideline:get',
    createHandler<string, GuideLine | null>(
        async function(userId: string, bookId: string, lang: 'fr' | 'en') {
            return await Book.getGuideLine(userId, bookId, lang);
        }
    )
);
// Frontend: invoke('db:book:guideline:get', bookId)

// ============================================================
// 5. POST /book/guide-line - Update guideline
// ============================================================
interface UpdateGuideLineData {
    bookId: string;
    tone: string | null;
    atmosphere: string | null;
    writingStyle: string | null;
    themes: string | null;
    symbolism: string | null;
    motifs: string | null;
    narrativeVoice: string | null;
    pacing: string | null;
    keyMessages: string | null;
    intendedAudience: string | null;
}

ipcMain.handle(
    'db:book:guideline:update',
    createHandler<UpdateGuideLineData, boolean>(
        async function(userId: string, data: UpdateGuideLineData, lang: 'fr' | 'en') {
            return await Book.updateGuideLine(
                userId,
                data.bookId,
                data.tone,
                data.atmosphere,
                data.writingStyle,
                data.themes,
                data.symbolism,
                data.motifs,
                data.narrativeVoice,
                data.pacing,
                data.keyMessages,
                data.intendedAudience,
                lang
            );
        }
    )
);
// Frontend: invoke('db:book:guideline:update', data)

// ============================================================
// 6. GET /book/story - Get story data (acts + issues)
// ============================================================
interface StoryData {
    acts: Act[];
    issues: Issue[];
}

ipcMain.handle(
    'db:book:story:get',
    createHandler<string, StoryData>(
        async function(userId: string, bookId: string, lang: 'fr' | 'en') {
            const acts = await Book.getActsData(userId, bookId, lang);
            const issues = await Book.getIssuesFromBook(userId, bookId, lang);
            return {
                acts,
                issues
            };
        }
    )
);
// Frontend: invoke('db:book:story:get', bookId)

// ============================================================
// 7. POST /book/story - Update story
// TODO: Implement updateStory in Book.ts
// ============================================================
// interface StoryUpdateData {
//     bookId: string;
//     acts: Act[];
//     mainChapters: ChapterProps[];
// }
//
// ipcMain.handle(
//     'db:book:story:update',
//     createHandler<StoryUpdateData, boolean>(
//         function(userId: string, data: StoryUpdateData, lang: 'fr' | 'en') {
//             return Book.updateStory(userId, data.bookId, data.acts, data.mainChapters, lang);
//         }
//     )
// );
// // Frontend: invoke('db:book:story:update', data)

// ============================================================
// 8. POST /book/add - Create new book
// ============================================================
interface CreateBookData {
    title: string;
    subTitle: string | null;
    summary: string | null;
    type: string;
    serieId: number | null;
    desiredReleaseDate: string | null;
    desiredWordCount: number | null;
}

ipcMain.handle(
    'db:book:create',
    createHandler<CreateBookData, string>(
        function(userId: string, data: CreateBookData, lang: 'fr' | 'en') {
            return Book.addBook(
                null,
                userId,
                data.title,
                data.subTitle || '',
                data.summary || '',
                data.type,
                data.serieId || 0,
                data.desiredReleaseDate || '',
                data.desiredWordCount || 0,
                lang
            );
        }
    )
);
// Frontend: invoke('db:book:create', data)

// ============================================================
// 9. POST /book/cover - Update book cover
// TODO: Implement updateBookCover in Book.ts
// ============================================================
// interface UpdateCoverData {
//     bookId: string;
//     coverImageName: string;
// }
//
// ipcMain.handle(
//     'db:book:cover:update',
//     createHandler<UpdateCoverData, boolean>(
//         function(userId: string, data: UpdateCoverData, lang: 'fr' | 'en') {
//             return Book.updateBookCover(userId, data.bookId, data.coverImageName, lang);
//         }
//     )
// );
// // Frontend: invoke('db:book:cover:update', { bookId, coverImageName })

// ============================================================
// 10. POST /book/incident/new - Add incident
// ============================================================
interface AddIncidentData {
    bookId: string;
    name: string;
}

ipcMain.handle(
    'db:book:incident:add',
    createHandler<AddIncidentData, string>(
        function(userId: string, data: AddIncidentData, lang: 'fr' | 'en') {
            return Book.addNewIncident(userId, data.bookId, data.name, lang);
        }
    )
);
// Frontend: invoke('db:book:incident:add', { bookId, name })

// ============================================================
// 11. DELETE /book/incident/remove - Remove incident
// ============================================================
interface RemoveIncidentData {
    bookId: string;
    incidentId: string;
}

ipcMain.handle(
    'db:book:incident:remove',
    createHandler<RemoveIncidentData, boolean>(
        function(userId: string, data: RemoveIncidentData, lang: 'fr' | 'en') {
            return Book.removeIncident(userId, data.bookId, data.incidentId, lang);
        }
    )
);
// Frontend: invoke('db:book:incident:remove', { bookId, incidentId })

// ============================================================
// 12. POST /book/plot/new - Add plot point
// ============================================================
interface AddPlotPointData {
    bookId: string;
    name: string;
    incidentId: string;
}

ipcMain.handle(
    'db:book:plot:add',
    createHandler<AddPlotPointData, string>(
        function(userId: string, data: AddPlotPointData, lang: 'fr' | 'en') {
            return Book.addNewPlotPoint(
                userId,
                data.bookId,
                data.incidentId,
                data.name,
                lang
            );
        }
    )
);
// Frontend: invoke('db:book:plot:add', { bookId, name, incidentId })

// ============================================================
// 13. DELETE /book/plot/remove - Remove plot point
// ============================================================
ipcMain.handle(
    'db:book:plot:remove',
    createHandler<string, boolean>(
        function(userId: string, plotPointId: string, lang: 'fr' | 'en') {
            return Book.removePlotPoint(userId, plotPointId, lang);
        }
    )
);
// Frontend: invoke('db:book:plot:remove', plotPointId)

// ============================================================
// 14. POST /book/issue/add - Add issue
// ============================================================
interface AddIssueData {
    bookId: string;
    name: string;
}

ipcMain.handle(
    'db:book:issue:add',
    createHandler<AddIssueData, string>(
        function(userId: string, data: AddIssueData, lang: 'fr' | 'en') {
            return Book.addNewIssue(userId, data.bookId, data.name, lang);
        }
    )
);
// Frontend: invoke('db:book:issue:add', { bookId, name })

// ============================================================
// 15. DELETE /book/issue/remove - Remove issue
// ============================================================
ipcMain.handle(
    'db:book:issue:remove',
    createHandler<string, boolean>(
        function(userId: string, issueId: string, lang: 'fr' | 'en') {
            return Book.removeIssue(userId, issueId, lang);
        }
    )
);
// Frontend: invoke('db:book:issue:remove', issueId)

// ============================================================
// 16. GET /book/worlds - Get worlds for book
// ============================================================
ipcMain.handle(
    'db:book:worlds:get',
    createHandler<string, WorldProps[]>(
        function(userId: string, bookId: string, lang: 'fr' | 'en') {
            return Book.getWorlds(userId, bookId, lang);
        }
    )
);
// Frontend: invoke('db:book:worlds:get', bookId)

// ============================================================
// 17. POST /book/world/add - Add world
// ============================================================
interface AddWorldData {
    bookId: string;
    worldName: string;
}

ipcMain.handle(
    'db:book:world:add',
    createHandler<AddWorldData, string>(
        function(userId: string, data: AddWorldData, lang: 'fr' | 'en') {
            return Book.addNewWorld(userId, data.bookId, data.worldName, lang);
        }
    )
);
// Frontend: invoke('db:book:world:add', { bookId, worldName })

// ============================================================
// 18. POST /book/world/element/add - Add element to world
// ============================================================
interface AddWorldElementData {
    worldId: string;
    elementName: string;
    elementType: number;
}

ipcMain.handle(
    'db:book:world:element:add',
    createHandler<AddWorldElementData, string>(
        function(userId: string, data: AddWorldElementData, lang: 'fr' | 'en') {
            return Book.addNewElementToWorld(
                userId,
                data.worldId,
                data.elementName,
                data.elementType.toString(),
                lang
            );
        }
    )
);
// Frontend: invoke('db:book:world:element:add', { worldId, elementName, elementType })

// ============================================================
// 19. DELETE /book/world/element/delete - Remove element from world
// ============================================================
ipcMain.handle(
    'db:book:world:element:remove',
    createHandler<string, boolean>(
        function(userId: string, elementId: string, lang: 'fr' | 'en') {
            return Book.removeElementFromWorld(userId, elementId, lang);
        }
    )
);
// Frontend: invoke('db:book:world:element:remove', elementId)

// ============================================================
// 20. PUT /book/world/update - Update world
// TODO: Implement updateWorld in Book.ts
// ============================================================
// ipcMain.handle(
//     'db:book:world:update',
//     createHandler<WorldProps, boolean>(
//         function(userId: string, world: WorldProps, lang: 'fr' | 'en') {
//             return Book.updateWorld(userId, world, lang);
//         }
//     )
// );
// // Frontend: invoke('db:book:world:update', worldData)

// ============================================================
// 21. DELETE /book/cover/delete - Delete book cover
// TODO: Implement deleteCoverPicture in Book.ts
// ============================================================
// ipcMain.handle(
//     'db:book:cover:delete',
//     createHandler<string, boolean>(
//         function(userId: string, bookId: string, lang: 'fr' | 'en') {
//             return Book.deleteCoverPicture(userId, bookId, lang);
//         }
//     )
// );
// // Frontend: invoke('db:book:cover:delete', bookId)

// ============================================================
// 22. DELETE /book/delete - Delete book
// ============================================================
ipcMain.handle(
    'db:book:delete',
    createHandler<string, boolean>(
        function(userId: string, bookId: string, lang: 'fr' | 'en') {
            return Book.removeBook(userId, bookId, lang);
        }
    )
);
// Frontend: invoke('db:book:delete', bookId)

// ============================================================
// 23. GET /book/ai/guideline - Get AI guideline
// ============================================================
ipcMain.handle(
    'db:book:guideline:ai:get',
    createHandler<string, GuideLineAI>(
        function(userId: string, bookId: string, lang: 'fr' | 'en') {
            return Book.getGuideLineAI(bookId, userId, lang);
        }
    )
);
// Frontend: invoke('db:book:guideline:ai:get', bookId)

// ============================================================
// 24. POST /book/ai/guideline (set) - Set AI guideline
// ============================================================
interface SetAIGuideLineData {
    bookId: string;
    narrativeType: number;
    dialogueType: number;
    globalResume: string;
    atmosphere: string;
    verbeTense: number;
    langue: number;
    themes: string;
}

ipcMain.handle(
    'db:book:guideline:ai:set',
    createHandler<SetAIGuideLineData, boolean>(
        function(userId: string, data: SetAIGuideLineData, lang: 'fr' | 'en') {
            return Book.setAIGuideLine(
                data.bookId,
                userId,
                data.narrativeType,
                data.dialogueType,
                data.globalResume,
                data.atmosphere,
                data.verbeTense,
                data.langue,
                data.themes,
                lang
            );
        }
    )
);
// Frontend: invoke('db:book:guideline:ai:set', data)

// ============================================================
// 25. GET /book/transform/epub - Export to EPUB
// TODO: Implement transformToEpub in Book.ts
// ============================================================
// ipcMain.handle(
//     'db:book:export:epub',
//     createHandler<string, ExportData>(
//         function(userId: string, bookId: string, lang: 'fr' | 'en') {
//             return Book.transformToEpub(userId, bookId, lang);
//         }
//     )
// );
// // Frontend: invoke('db:book:export:epub', bookId)

// ============================================================
// 26. GET /book/transform/pdf - Export to PDF
// TODO: Implement transformToPDF in Book.ts
// ============================================================
// ipcMain.handle(
//     'db:book:export:pdf',
//     createHandler<string, ExportData>(
//         function(userId: string, bookId: string, lang: 'fr' | 'en') {
//             return Book.transformToPDF(userId, bookId, lang);
//         }
//     )
// );
// // Frontend: invoke('db:book:export:pdf', bookId)

// ============================================================
// 27. GET /book/transform/docx - Export to DOCX
// TODO: Implement transformToDOCX in Book.ts
// ============================================================
// ipcMain.handle(
//     'db:book:export:docx',
//     createHandler<string, ExportData>(
//         function(userId: string, bookId: string, lang: 'fr' | 'en') {
//             return Book.transformToDOCX(userId, bookId, lang);
//         }
//     )
// );
// // Frontend: invoke('db:book:export:docx', bookId)

// ============================================================
// 28. GET /book/tags - Get tags from book
// TODO: Implement getTagsFromBook in Book.ts
// ============================================================
// interface BookTags {
//     characters: Tag[];
//     locations: Tag[];
//     objects: Tag[];
//     worldElements: Tag[];
// }
//
// ipcMain.handle(
//     'db:book:tags:get',
//     createHandler<string, BookTags>(
//         function(userId: string, bookId: string, lang: 'fr' | 'en') {
//             return Book.getTagsFromBook(userId, bookId, lang);
//         }
//     )
// );
// // Frontend: invoke('db:book:tags:get', bookId)

console.log('[IPC] Book handlers registered');