package com.crm.auth.controller;

import cn.hutool.core.util.StrUtil;
import com.crm.auth.domain.dto.RoleDTO;
import com.crm.auth.domain.param.RoleParam;
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>
 * <p>薄适配层，只调 {@link ISysRoleService}，不含业务逻辑（ADR-0017）</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<RoleDTO>> page(RoleParam param) {
        return Result.success(sysRoleService.pageRoles(param));
    }

    @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(RoleDTO dto) {
        sysRoleService.saveRole(dto.toEntity());
        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<RoleDTO> 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();
    }
}