package controllers

import (
	"encoding/json"

	"shudao-chat-go/utils"

	"github.com/beego/beego/v2/server/web"
)

type PromptController struct {
	web.Controller
}

// BuildExamPrompt handles frontend requests to build exam prompts on the server
func (c *PromptController) BuildExamPrompt() {
	var req utils.ExamPromptRequest
	if err := json.Unmarshal(c.Ctx.Input.RequestBody, &req); err != nil {
		c.Data["json"] = map[string]interface{}{
			"statusCode": 400,
			"msg":        "JSON解析失败: " + err.Error(),
		}
		c.ServeJSON()
		return
	}

	prompt, err := utils.BuildExamPrompt(req)
	if err != nil {
		c.Data["json"] = map[string]interface{}{
			"statusCode": 500,
			"msg":        "生成提示词失败: " + err.Error(),
		}
		c.ServeJSON()
		return
	}

	c.Data["json"] = map[string]interface{}{
		"statusCode": 200,
		"msg":        "success",
		"data": map[string]string{
			"prompt": prompt,
		},
	}
	c.ServeJSON()
}

// BuildSingleQuestionPrompt handles requests for regenerating a single question prompt
func (c *PromptController) BuildSingleQuestionPrompt() {
	var req utils.SingleQuestionPromptRequest
	if err := json.Unmarshal(c.Ctx.Input.RequestBody, &req); err != nil {
		c.Data["json"] = map[string]interface{}{
			"statusCode": 400,
			"msg":        "JSON解析失败: " + err.Error(),
		}
		c.ServeJSON()
		return
	}

	prompt, err := utils.BuildSingleQuestionPrompt(req)
	if err != nil {
		c.Data["json"] = map[string]interface{}{
			"statusCode": 500,
			"msg":        "生成提示词失败: " + err.Error(),
		}
		c.ServeJSON()
		return
	}

	c.Data["json"] = map[string]interface{}{
		"statusCode": 200,
		"msg":        "success",
		"data": map[string]string{
			"prompt": prompt,
		},
	}
	c.ServeJSON()
}