package com.yunhai.question.controller.api;

import com.yunhai.platform.utils.model.BoaUser;
import com.yunhai.question.common.BizException;
import com.yunhai.question.entity.Questionnaire;
import com.yunhai.question.service.QuestionnaireService;
import com.yunhai.question.service.SchoolAdminGuard;
import lombok.RequiredArgsConstructor;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.PathVariable;
import org.springframework.web.bind.annotation.PostMapping;
import org.springframework.web.bind.annotation.RequestBody;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RestController;

import javax.validation.Valid;
import javax.validation.constraints.NotBlank;
import java.util.LinkedHashMap;
import java.util.List;
import java.util.Map;

/**
 * 问卷管理端（仅校管理员∪超管可建——FC 侧 create 守卫天然把关第一步，本侧登记步同样过守卫）。
 */
@RestController
@RequestMapping("/api/question/questionnaire")
@RequiredArgsConstructor
public class QuestionnaireController {

    private final QuestionnaireService questionnaireService;
    private final SchoolAdminGuard adminGuard;

    public static class RegisterRequest {
        @NotBlank(message = "formUuid 不能为空")
        public String formUuid;
        public String formCode;
        @NotBlank(message = "问卷标题不能为空")
        public String title;
        public Boolean anonymous;
        /** JSON 字符串：{description,cover,thanks} */
        public String description;
    }

    public static class DescriptionRequest {
        public String description;
    }

    /** 列表（本校全部未删问卷） */
    @GetMapping("/list")
    public List<Questionnaire> list(BoaUser user) {
        Long schId = adminGuard.requireSchool(user);
        return questionnaireService.list(schId);
    }

    /**
     * 第三步绑定登记（幂等三步的收口；重复提交返回既有行）。
     */
    @PostMapping
    public Questionnaire register(BoaUser user, @Valid @RequestBody RegisterRequest body) {
        Long schId = adminGuard.requireSchool(user);
        boolean anonymous = Boolean.TRUE.equals(body.anonymous);
        return questionnaireService.register(schId, body.formUuid.trim(), body.formCode,
                body.title, anonymous, body.description);
    }

    @GetMapping("/{id}")
    public Questionnaire detail(BoaUser user, @PathVariable Long id) {
        Long schId = adminGuard.requireSchool(user);
        return questionnaireService.requireOwned(schId, id);
    }

    /** 问卷说明/封面/致谢（JSON 文本，仅问卷侧元数据） */
    @PostMapping("/{id}/description")
    public Questionnaire updateDescription(BoaUser user, @PathVariable Long id,
                                           @RequestBody DescriptionRequest body) {
        Long schId = adminGuard.requireSchool(user);
        Questionnaire q = questionnaireService.requireOwned(schId, id);
        q.setDescription(body == null ? null : body.description);
        return questionnaireService.save(q);
    }

    /** 发布投放：fetchSchema 核验 FC 已发布→钉版+status=1 */
    @PostMapping("/{id}/publish")
    public Questionnaire publish(BoaUser user, @PathVariable Long id) {
        Long schId = adminGuard.requireSchool(user);
        return questionnaireService.publish(schId, id);
    }

    /** 结束投放：status=2（FC 侧是否 disable 由前端另行确认调用 FC 端点） */
    @PostMapping("/{id}/finish")
    public Questionnaire finish(BoaUser user, @PathVariable Long id) {
        Long schId = adminGuard.requireSchool(user);
        return questionnaireService.finish(schId, id);
    }

    /** 恢复收集 */
    @PostMapping("/{id}/reopen")
    public Questionnaire reopen(BoaUser user, @PathVariable Long id) {
        Long schId = adminGuard.requireSchool(user);
        return questionnaireService.reopen(schId, id);
    }

    /** 软删问卷行（FC 表单不动） */
    @PostMapping("/{id}/delete")
    public Map<String, Object> softDelete(BoaUser user, @PathVariable Long id) {
        Long schId = adminGuard.requireSchool(user);
        questionnaireService.softDelete(schId, id);
        Map<String, Object> out = new LinkedHashMap<>();
        out.put("deleted", true);
        return out;
    }

    /** 编辑容器打开时刷新 FC name/code 快照并返回详情 */
    @GetMapping("/{id}/refresh")
    public Questionnaire refresh(BoaUser user, @PathVariable Long id) {
        Long schId = adminGuard.requireSchool(user);
        Questionnaire q = questionnaireService.requireOwned(schId, id);
        return questionnaireService.save(questionnaireService.refreshFromFc(q));
    }

    /**
     * 我的问卷交集：前端把 FC fillable(appCode=question) 的 code 列表 POST 过来，
     * 服务端取 ∩ 本校收集中问卷。未登录教师/学生同样可达（无校管理员守卫）。
     */
    @PostMapping("/my")
    public List<Questionnaire> myFillable(BoaUser user, @RequestBody MyCodesRequest body) {
        if (user == null || user.getId() == null) {
            throw new BizException("未登录");
        }
        Integer schIdInt = user.getCurrentRole() != null ? user.getCurrentRole().getSchId() : null;
        if (schIdInt == null) {
            throw new BizException("当前会话无学校上下文");
        }
        return questionnaireService.myFillable(schIdInt.longValue(),
                body == null ? null : body.codes);
    }

    public static class MyCodesRequest {
        public List<String> codes;
    }
}