package main

import (
	"context"
	"log"

	"AI-Expert-Sidebar/internal/config"
	"AI-Expert-Sidebar/internal/database"
	"AI-Expert-Sidebar/internal/handler"
	"AI-Expert-Sidebar/internal/service"
)

type App struct {
	ctx       context.Context
	expert    *handler.Expert
	settings  *handler.SettingsHandler
	library   *handler.LibraryHandler
	knowledge *handler.KnowledgeOps
}

func NewApp() *App {
	return &App{
		expert:    handler.NewExpert(),
		settings:  handler.NewSettingsHandler(),
		library:   handler.NewLibraryHandler(),
		knowledge: handler.NewKnowledgeOps(),
	}
}

func (a *App) startup(ctx context.Context) {
	a.ctx = ctx
	a.expert.SetContext(ctx)
	a.settings.SetContext(ctx)
	a.library.SetContext(ctx)
	a.knowledge.SetContext(ctx)

	if err := config.Load(); err != nil {
		log.Printf("[App] Config warning: %v", err)
	}
	if err := database.Init(); err != nil {
		log.Printf("[App] DB warning: %v", err)
	}
	if err := service.InitLibraries(); err != nil {
		log.Printf("[App] Library init warning: %v", err)
	}
}

// ── Library ───────────────────────────────────────────────────────────────────

func (a *App) ListLibraries() []handler.LibraryInfo { return a.library.ListLibraries() }
func (a *App) GetActiveLibrary() string             { return a.library.GetActiveLibrary() }
func (a *App) CreateLibrary(name, description string) string {
	return a.library.CreateLibrary(name, description)
}
func (a *App) SwitchLibrary(name string) string  { return a.library.SwitchLibrary(name) }
func (a *App) DeleteLibrary(name string) string  { return a.library.DeleteLibrary(name) }
func (a *App) ImportCSV() service.ImportResult   { return a.library.ImportCSV() }
func (a *App) ImportExcel() service.ImportResult { return a.library.ImportExcel() }

// ── Knowledge ops ─────────────────────────────────────────────────────────────

func (a *App) DeleteItems(ids []uint) string { return a.knowledge.DeleteItems(ids) }
func (a *App) ClearDatabase() string         { return a.knowledge.ClearDatabase() }

// ── Settings ──────────────────────────────────────────────────────────────────

func (a *App) GetSettings() *service.SettingsDTO           { return a.settings.GetSettings() }
func (a *App) SaveSettings(dto service.SettingsDTO) string { return a.settings.SaveSettings(dto) }
func (a *App) GetProviders() []handler.ProviderPreset      { return a.settings.GetProviders() }

// ── Expert ────────────────────────────────────────────────────────────────────

func (a *App) SearchExpert(query string) interface{} { return a.expert.SearchExpert(query) }
func (a *App) AskDeepSeek(query, rawAnswer string) string {
	return a.expert.AskDeepSeek(query, rawAnswer)
}
func (a *App) StopGeneration()            { a.expert.StopGeneration() }
func (a *App) ToggleTopmost(enabled bool) { a.expert.ToggleTopmost(enabled) }
func (a *App) GetDBStatus() bool          { return a.expert.GetDBStatus() }