import { Body, Controller, Get, Logger, Param, Post, Put } from '@nestjs/common';
import { AiConfigService } from './ai-config.service';
import type { AiActorKey, AiConfig } from './ai.defaults';

// Mounted under /api/config alongside theme/widget/telephony/setup-state.
//
//   GET  /api/config/ai                   — full config (no secrets here, all safe to return)
//   PUT  /api/config/ai                   — admin update (provider/model/temperature)
//   POST /api/config/ai/reset             — reset entire config to defaults
//   PUT  /api/config/ai/prompts/:actor    — update one persona's system prompt template
//   POST /api/config/ai/prompts/:actor/reset — restore one persona to its default
@Controller('api/config')
export class AiConfigController {
    private readonly logger = new Logger(AiConfigController.name);

    constructor(private readonly ai: AiConfigService) {}

    @Get('ai')
    getAi() {
        return this.ai.getConfig();
    }

    @Put('ai')
    updateAi(@Body() body: Partial<AiConfig>) {
        this.logger.log('AI config update request');
        return this.ai.updateConfig(body);
    }

    @Post('ai/reset')
    resetAi() {
        this.logger.log('AI config reset request');
        return this.ai.resetConfig();
    }

    @Put('ai/prompts/:actor')
    updatePrompt(
        @Param('actor') actor: AiActorKey,
        @Body() body: { template: string; editedBy?: string },
    ) {
        this.logger.log(`AI prompt update for actor '${actor}'`);
        return this.ai.updatePrompt(actor, body.template, body.editedBy ?? null);
    }

    @Post('ai/prompts/:actor/reset')
    resetPrompt(@Param('actor') actor: AiActorKey) {
        this.logger.log(`AI prompt reset for actor '${actor}'`);
        return this.ai.resetPrompt(actor);
    }
}