package org.dromara.crm.controller;

import cn.dev33.satoken.annotation.SaCheckPermission;
import jakarta.servlet.http.HttpServletResponse;
import jakarta.validation.constraints.NotEmpty;
import jakarta.validation.constraints.NotNull;
import lombok.RequiredArgsConstructor;
import org.dromara.common.core.domain.R;
import org.dromara.common.core.validate.AddGroup;
import org.dromara.common.core.validate.EditGroup;
import org.dromara.common.excel.utils.ExcelUtil;
import org.dromara.common.idempotent.annotation.RepeatSubmit;
import org.dromara.common.log.annotation.Log;
import org.dromara.common.log.enums.BusinessType;
import org.dromara.common.mybatis.core.page.PageQuery;
import org.dromara.common.mybatis.core.page.TableDataInfo;
import org.dromara.common.web.core.BaseController;
import org.dromara.crm.domain.bo.*;
import org.dromara.crm.domain.vo.CrmContractVo;
import org.dromara.crm.service.ICrmContractService;
import org.springframework.validation.annotation.Validated;
import org.springframework.web.bind.annotation.*;

import java.util.List;
import java.util.Map;

/**
 * 合同管理Controller
 *
 * @author AI Assistant
 * @date 2025-10-04
 */
@Validated
@RequiredArgsConstructor
@RestController
@RequestMapping("/crm/contract")
public class CrmContractController extends BaseController {

    private final ICrmContractService contractService;

    /**
     * 查询合同列表(分页)
     */
    // @SaCheckPermission("crm:contract:list")
    @GetMapping("/list")
    public TableDataInfo<CrmContractVo> list(CrmContractBo bo, PageQuery pageQuery) {
        return contractService.queryPageList(bo, pageQuery);
    }

    /**
     * 查询合同详情
     */
    // @SaCheckPermission("crm:contract:query")
    @GetMapping("/{id}")
    public R<CrmContractVo> getInfo(@NotNull(message = "主键不能为空") @PathVariable Long id) {
        return R.ok(contractService.queryById(id));
    }

    /**
     * 新增合同
     */
    // @SaCheckPermission("crm:contract:add")
    @Log(title = "合同管理", businessType = BusinessType.INSERT)
    @PostMapping()
    public R<Long> add(@Validated(AddGroup.class) @RequestBody CrmContractBo bo) {
        boolean result = contractService.insertByBo(bo);
        if (result) {
            return R.ok("新增成功", bo.getId());
        }
        return R.fail("新增失败");
    }

    /**
     * 修改合同
     */
    // @SaCheckPermission("crm:contract:edit")
    @Log(title = "合同管理", businessType = BusinessType.UPDATE)
    @PutMapping()
    public R<Void> edit(@Validated(EditGroup.class) @RequestBody CrmContractBo bo) {
        return toAjax(contractService.updateByBo(bo));
    }

    /**
     * 删除合同
     */
    // @SaCheckPermission("crm:contract:remove")
    @Log(title = "合同管理", businessType = BusinessType.DELETE)
    @DeleteMapping("/{ids}")
    public R<Void> remove(@NotEmpty(message = "主键不能为空") @PathVariable Long[] ids) {
        return toAjax(contractService.deleteWithValidByIds(List.of(ids), true));
    }

    /**
     * 提交审批
     */
    // @SaCheckPermission("crm:contract:submit")
    @Log(title = "提交审批", businessType = BusinessType.UPDATE)
    @PutMapping("/submitApproval")
    public R<Void> submitApproval(@Validated @RequestBody CrmContractSubmitApprovalBo bo) {
        return toAjax(contractService.submitApproval(bo.getId(), bo.getApproverIds(), bo.getRemark()));
    }

    /**
     * 批量提交审批
     */
    // @SaCheckPermission("crm:contract:submit")
    @Log(title = "批量提交审批", businessType = BusinessType.UPDATE)
    @PutMapping("/batchSubmitApproval")
    public R<Integer> batchSubmitApproval(@Validated @RequestBody CrmContractBatchSubmitApprovalBo bo) {
        return R.ok(contractService.batchSubmitApproval(bo.getIds(), bo.getApproverIds(), bo.getRemark()));
    }

    /**
     * 保存合同模板内容
     */
    // @SaCheckPermission("crm:contract:edit")
    @Log(title = "保存合同模板", businessType = BusinessType.UPDATE)
    @RepeatSubmit()
    @PostMapping("/saveTemplate")
    public R<Void> saveTemplate(@RequestBody Map<String, Object> params) {
        Object idObj = params.get("id");
        if (idObj == null) {
            return R.fail("合同ID不能为空");
        }
        Long id = Long.valueOf(idObj.toString());
        String templateContent = (String) params.get("templateContent");
        String settlementClauseDrafts = (String) params.get("settlementClauseDrafts");
        return toAjax(contractService.saveTemplate(id, templateContent, settlementClauseDrafts));
    }

    /**
     * 获取合同模板内容
     */
    // @SaCheckPermission("crm:contract:query")
    @GetMapping("/getTemplate/{id}")
    public R<String> getTemplate(@NotNull(message = "主键不能为空") @PathVariable Long id) {
        String templateContent = contractService.getTemplate(id);
        // 使用 R.ok(msg, data) 确保数据在 data 字段中
        return R.ok("获取模板成功", templateContent);
    }

    /**
     * 撤回审批
     */
    // @SaCheckPermission("crm:contract:edit")
    @Log(title = "撤回审批", businessType = BusinessType.UPDATE)
    @PutMapping("/withdrawApproval")
    public R<Void> withdrawApproval(@Validated @RequestBody CrmContractStatusChangeBo bo) {
        return toAjax(contractService.withdrawApproval(bo.getId(), bo.getRemark()));
    }

    /**
     * 开始执行
     */
    // @SaCheckPermission("crm:contract:execute")
    @Log(title = "开始执行合同", businessType = BusinessType.UPDATE)
    @PutMapping("/startExecute")
    public R<Void> startExecute(@Validated @RequestBody CrmContractStatusChangeBo bo) {
        return toAjax(contractService.startExecute(bo.getId(), bo.getRemark()));
    }

    /**
     * 完成合同
     */
    // @SaCheckPermission("crm:contract:execute")
    @Log(title = "完成合同", businessType = BusinessType.UPDATE)
    @PutMapping("/finish")
    public R<Void> finish(@Validated @RequestBody CrmContractStatusChangeBo bo) {
        return toAjax(contractService.finishContract(bo.getId(), bo.getRemark()));
    }

    /**
     * 作废合同
     */
    // @SaCheckPermission("crm:contract:invalid")
    @Log(title = "作废合同", businessType = BusinessType.UPDATE)
    @PutMapping("/invalid")
    public R<Void> invalid(@Validated @RequestBody CrmContractInvalidBo bo) {
        return toAjax(contractService.invalidContract(bo.getId(), bo.getInvalidReason(), bo.getRemark()));
    }

    /**
     * 上传合同文件
     */
    // @SaCheckPermission("crm:contract:edit")
    @Log(title = "上传合同文件", businessType = BusinessType.UPDATE)
    @PostMapping("/uploadFile")
    public R<Void> uploadFile(@RequestBody Map<String, String> params) {
        Long id = Long.valueOf(params.get("id"));
        String fileUrl = params.get("fileUrl");
        return toAjax(contractService.uploadFile(id, fileUrl));
    }

    /**
     * 上传合同扫描件（支持多个附件，支持分类）
     */
    // @SaCheckPermission("crm:contract:upload")
    @Log(title = "上传合同扫描件", businessType = BusinessType.UPDATE)
    @PostMapping("/uploadAttachments")
    public R<Void> uploadAttachments(@RequestBody Map<String, Object> params) {
        Long id = Long.valueOf(params.get("id").toString());
        
        // 支持新格式：带分类的附件列表
        if (params.containsKey("attachments") && params.get("attachments") != null) {
            @SuppressWarnings("unchecked")
            java.util.List<java.util.Map<String, Object>> attachments = 
                (java.util.List<java.util.Map<String, Object>>) params.get("attachments");
            return toAjax(contractService.uploadAttachmentsWithCategory(id, attachments));
        }
        
        // 兼容旧格式：逗号分隔的ossId
        if (params.containsKey("ossIds") && params.get("ossIds") != null) {
            String ossIds = params.get("ossIds").toString();
            return toAjax(contractService.uploadAttachments(id, ossIds));
        }
        
        return R.fail("附件参数不能为空");
    }

    /**
     * 导出合同
     */
    // @SaCheckPermission("crm:contract:export")
    @Log(title = "合同管理", businessType = BusinessType.EXPORT)
    @PostMapping("/export")
    public void export(CrmContractBo bo, HttpServletResponse response) {
        List<CrmContractVo> list = contractService.queryList(bo);
        ExcelUtil.exportExcel(list, "合同数据", CrmContractVo.class, response);
    }

    /**
     * 合同统计概览
     */
    // @SaCheckPermission("crm:contract:list")
    @GetMapping("/statistics/overview")
    public R<Map<String, Object>> statisticsOverview(
            @RequestParam(required = false) Long ownerUserId,
            @RequestParam(required = false) String beginTime,
            @RequestParam(required = false) String endTime) {
        Map<String, Object> overview = contractService.statisticsOverview(ownerUserId, beginTime, endTime);
        return R.ok(overview);
    }

    /**
     * 合同状态分布
     */
    // @SaCheckPermission("crm:contract:list")
    @GetMapping("/statistics/status")
    public R<List<Map<String, Object>>> statisticsByStatus() {
        List<Map<String, Object>> result = contractService.statisticsByStatus();
        return R.ok(result);
    }

    /**
     * 合同类型分布
     */
    // @SaCheckPermission("crm:contract:list")
    @GetMapping("/statistics/type")
    public R<List<Map<String, Object>>> statisticsByType() {
        List<Map<String, Object>> result = contractService.statisticsByType();
        return R.ok(result);
    }

    /**
     * 合同趋势分析
     */
    // @SaCheckPermission("crm:contract:list")
    @GetMapping("/statistics/trend")
    public R<List<Map<String, Object>>> statisticsTrend(
            @RequestParam(defaultValue = "month") String type,
            @RequestParam(required = false) String beginTime,
            @RequestParam(required = false) String endTime) {
        List<Map<String, Object>> result = contractService.statisticsTrend(type, beginTime, endTime);
        return R.ok(result);
    }

    /**
     * 合同到期提醒
     */
    // @SaCheckPermission("crm:contract:list")
    @GetMapping("/statistics/expiring")
    public R<List<CrmContractVo>> queryExpiring(@RequestParam(defaultValue = "30") Integer days) {
        return R.ok(contractService.queryExpiring(days));
    }

    /**
     * 合同续签
     */
    // @SaCheckPermission("crm:contract:renew")
    @Log(title = "合同续签", businessType = BusinessType.INSERT)
    @PostMapping("/renew/{parentContractId}")
    public R<Long> renewContract(
            @NotNull(message = "原合同ID不能为空") @PathVariable Long parentContractId,
            @Validated(AddGroup.class) @RequestBody CrmContractBo bo) {
        Long newContractId = contractService.renewContract(parentContractId, bo);
        return R.ok(newContractId);
    }

    /**
     * 从商机创建合同
     */
    // @SaCheckPermission("crm:contract:add")
    @Log(title = "商机转合同", businessType = BusinessType.INSERT)
    @PostMapping("/createFromOpportunity/{opportunityId}")
    public R<Void> createFromOpportunity(
            @NotNull(message = "商机ID不能为空") @PathVariable Long opportunityId,
            @Validated(AddGroup.class) @RequestBody CrmContractBo bo) {
        return toAjax(contractService.createFromOpportunity(opportunityId, bo));
    }

    /**
     * 从报价单创建合同
     */
    // @SaCheckPermission("crm:contract:add")
    @Log(title = "报价单转合同", businessType = BusinessType.INSERT)
    @PostMapping("/createFromQuote/{quoteId}")
    public R<Void> createFromQuote(
            @NotNull(message = "报价单ID不能为空") @PathVariable Long quoteId,
            @Validated(AddGroup.class) @RequestBody CrmContractBo bo) {
        return toAjax(contractService.createFromQuote(quoteId, bo));
    }

    /**
     * 合同签订标记
     */
    // @SaCheckPermission("crm:contract:sign")
    @Log(title = "合同签订", businessType = BusinessType.UPDATE)
    @PutMapping("/sign")
    public R<Void> signContract(@Validated @RequestBody CrmContractSignBo bo) {
        return toAjax(
                contractService.signContract(bo.getId(), bo.getActualSignDate(), bo.getContractFile(), bo.getRemark()));
    }

    /**
     * 批量分配负责人
     */
    // @SaCheckPermission("crm:contract:assign")
    @Log(title = "批量分配合同", businessType = BusinessType.UPDATE)
    @PutMapping("/batch/assign")
    public R<Void> batchAssign(@Validated @RequestBody CrmContractBatchAssignBo bo) {
        return toAjax(contractService.batchAssignOwner(bo.getIds(), bo.getOwnerUserId(), bo.getRemark()));
    }

    /**
     * 下载合同PDF
     */
    // @SaCheckPermission("crm:contract:query")
    @GetMapping("/download/{id}")
    public R<String> downloadPdf(@NotNull(message = "主键不能为空") @PathVariable Long id) {
        String filePath = contractService.downloadContractPdf(id);
        return R.ok(filePath);
    }
}