package com.crm.auth.controller;

import cn.hutool.core.util.StrUtil;
import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
import com.crm.auth.domain.dto.RoleDetailVO;
import com.crm.auth.domain.entity.SysRole;
import com.crm.auth.service.ISysRoleService;
import com.crm.base.domain.result.PageResult;
import com.crm.base.domain.result.Result;
import io.swagger.v3.oas.annotations.Operation;
import lombok.RequiredArgsConstructor;
import org.springframework.security.access.prepost.PreAuthorize;
import org.springframework.web.bind.annotation.*;

import java.util.Arrays;
import java.util.Collections;
import java.util.List;
import java.util.stream.Collectors;

/**
 * 角色管理端接口（ADR-0012）
 * <p>遵循全局接口契约：非严格 RESTful，写操作 POST + 动作后缀，表单字段收参</p>
 * <p>权限控制：纯 hasAuthority，权限码由数据初始化器种子化到权限资源树</p>
 */
@RestController
@RequestMapping("/api/roles")
@RequiredArgsConstructor
public class RoleController {

    private final ISysRoleService sysRoleService;

    @PostMapping("/page")
    @PreAuthorize("hasAuthority('crm:role:list')")
    @Operation(summary = "分页查询角色", tags = {"系统管理/角色管理"})
    public Result<PageResult<SysRole>> page(
            @RequestParam(defaultValue = "1") Long current,
            @RequestParam(defaultValue = "10") Long size,
            @RequestParam(required = false) String keyword) {
        Page<SysRole> page = new Page<>(current, size);
        sysRoleService.lambdaQuery()
                .like(StrUtil.isNotBlank(keyword), SysRole::getRoleName, keyword)
                .page(page);
        return Result.success(new PageResult<>(page));
    }

    @PostMapping("/saveOrUpdate")
    @PreAuthorize("hasAuthority('crm:role:save')")
    @Operation(summary = "新增或编辑角色", tags = {"系统管理/角色管理"})
    public Result<Void> saveOrUpdate(
            @RequestParam(required = false) Long id,
            @RequestParam String roleName,
            @RequestParam String roleCode,
            @RequestParam(defaultValue = "1") Integer dataScope,
            @RequestParam(defaultValue = "0") Integer sort,
            @RequestParam(required = false) String remark) {
        SysRole role = new SysRole();
        role.setId(id);
        role.setRoleName(roleName);
        role.setRoleCode(roleCode);
        role.setDataScope(dataScope);
        role.setSort(sort);
        role.setRemark(remark);
        sysRoleService.saveRole(role);
        return Result.success();
    }

    @GetMapping("/detail")
    @PreAuthorize("hasAuthority('crm:role:detail')")
    @Operation(summary = "角色详情（含授权资源集合）", tags = {"系统管理/角色管理"})
    public Result<RoleDetailVO> detail(@RequestParam Long roleId) {
        return Result.success(sysRoleService.getRoleDetail(roleId));
    }

    @PostMapping("/assign-resources")
    @PreAuthorize("hasAuthority('crm:role:assign')")
    @Operation(summary = "分配角色权限资源（祖先补全+全量替换）", tags = {"系统管理/角色管理"})
    public Result<Void> assignResources(
            @RequestParam Long roleId,
            @RequestParam String resourceIds) {
        List<Long> menuIdList = StrUtil.isBlank(resourceIds)
                ? Collections.emptyList()
                : Arrays.stream(resourceIds.split(","))
                        .filter(StrUtil::isNotBlank)
                        .map(idStr -> Long.valueOf(idStr.trim()))
                        .collect(Collectors.toList());
        sysRoleService.assignResources(roleId, menuIdList);
        return Result.success();
    }

    @PostMapping("/delete")
    @PreAuthorize("hasAuthority('crm:role:delete')")
    @Operation(summary = "删除角色（级联清理关联表）", tags = {"系统管理/角色管理"})
    public Result<Void> delete(@RequestParam Long id) {
        sysRoleService.deleteRoleCascade(id);
        return Result.success();
    }
}