import db from '@/lib/db/client';
import { ACCESS_TOKEN_COOKIE_NAME } from '@/lib/token';
import { createRoute, z } from '@hono/zod-openapi';
import { deleteCookie } from 'hono/cookie';
import { isNil } from 'lodash';

import {
    createBodyRequest,
    createErrorResponse,
    createErrorResult,
    createHonoApp,
    createResponse,
    paginateTransform,
} from '../common/utils';
import {
    getPostItemRequestSchema,
    postItemResponseSchema,
    postPaginateResponseSchema,
} from './schema';
import { createPostItem, isSlugUnique } from './service';

const postTags = ['文章操作'];
const app = createHonoApp();
export const postApi = app
    .openapi(
        createRoute({
            tags: postTags,
            method: 'get',
            path: '/slug/:slug',
            request: {
                params: z.object({
                    slug: z.string(),
                }),
            },
            responses: {
                ...createResponse('请求成功', z.object({ slug: z.string() }).or(z.null()), 200),
                500: { description: '服务器内部错误' },
            },
        }),
        async (c) => {
            try {
                const { slug } = c.req.valid('param');

                const result = await db.post.findUnique({
                    where: { slug },
                    select: { slug: true },
                });
                return c.json(result, 200);
            } catch (error) {
                return c.json(createErrorResult('服务器内部错误', error), 500);
            }
        },
    )
    .openapi(
        createRoute({
            tags: postTags,
            method: 'get',
            path: '/',
            request: {
                query: z.object({
                    page: z.coerce.number().optional(),
                    limit: z.coerce.number().optional(),
                    orderby: z.enum(['asc', 'desc']).optional(),
                }),
            },
            responses: {
                ...createResponse('请求成功', postPaginateResponseSchema, 200),
                500: { description: '服务器内部错误' },
            },
        }),
        async (c) => {
            try {
                const { page, limit, orderby } = c.req.valid('query');
                const data = await db.post.paginate(
                    {
                        where: { slug: { not: { equals: null } } },
                        orderBy: [{ updatedAt: orderby || 'desc' }],
                    },
                    {
                        page: page || 1,
                        limit: limit || 10,
                    },
                );
                deleteCookie(c, ACCESS_TOKEN_COOKIE_NAME);

                const result = paginateTransform(data);
                return c.json(result, 200);
            } catch (error) {
                return c.json(createErrorResult('服务器内部错误', error), 500);
            }
        },
    )
    .openapi(
        createRoute({
            tags: postTags,
            method: 'get',
            path: '/page-numbers',
            request: {
                query: z.object({
                    limit: z.coerce.number().optional(),
                }),
            },
            responses: {
                ...createResponse('请求成功', z.object({ pageNumbers: z.array(z.number()) }), 200),
                500: { description: '服务器内部错误' },
            },
        }),
        async (c) => {
            try {
                const { limit } = c.req.valid('query');
                const count = await db.post.count();
                const pageNumbers = Math.ceil(count / (limit || 10));
                return c.json({ pageNumbers }, 200);
            } catch (error) {
                return c.json(createErrorResult('服务器内部错误', error), 500);
            }
        },
    )
    .openapi(
        createRoute({
            tags: postTags,
            method: 'get',
            path: '/:item',
            request: {
                params: z.object({
                    item: z.string(),
                }),
            },
            responses: {
                ...createResponse('请求成功', postItemResponseSchema, 200),
                ...createErrorResponse('查询不存在', 404),
                500: { description: '服务器内部错误' },
            },
        }),
        async (c) => {
            try {
                const { item } = c.req.valid('param');
                const result = await db.post.findFirst({
                    where: {
                        OR: [
                            {
                                id: item,
                            },
                            {
                                slug: item,
                            },
                        ],
                    },
                });
                if (isNil(result)) {
                    return c.json(createErrorResult('查询不存在'), 404);
                }
                return c.json(result, 200);
            } catch (error) {
                return c.json(createErrorResult('服务器内部错误', error), 500);
            }
        },
    )
    .openapi(
        createRoute({
            tags: postTags,
            method: 'get',
            path: '/id/:id',
            request: {
                params: z.object({
                    id: z.string(),
                }),
            },
            responses: {
                ...createResponse('请求成功', postItemResponseSchema, 200),
                ...createErrorResponse('参数错误', 404),
                500: { description: '服务器内部错误' },
            },
        }),
        async (c) => {
            try {
                const { id } = c.req.valid('param');
                const result = await db.post.findUnique({
                    where: { id },
                });
                if (!result) {
                    return c.json(createErrorResult('文章不存在'), 404);
                }
                return c.json(result, 200);
            } catch (error) {
                return c.json(createErrorResult('服务器内部错误', error), 500);
            }
        },
    )
    .openapi(
        createRoute({
            tags: postTags,
            method: 'delete',
            path: '/:id',
            request: {
                params: z.object({
                    id: z.string(),
                }),
            },
            responses: {
                ...createResponse(
                    '刪除成功',
                    z
                        .object({
                            msg: z.string(),
                            id: z.string(),
                        })
                        .or(z.null()),
                    200,
                ),
                ...createErrorResponse('参数错误', 404),
                500: { description: '服务器内部错误' },
            },
        }),
        async (c) => {
            try {
                const { id } = c.req.valid('param');
                const result = await db.post.delete({
                    where: { id },
                });
                console.log(result);

                if (isNil(result)) {
                    return c.json(createErrorResult('文章不存在'), 404);
                }
                return c.json({ msg: '删除成功', id: result.id }, 200);
            } catch (error) {
                return c.json(createErrorResult('服务器内部错误', error), 500);
            }
        },
    )
    .openapi(
        createRoute({
            tags: postTags,
            method: 'post',
            path: '/',
            request: {
                ...createBodyRequest(getPostItemRequestSchema(undefined)),
            },
            responses: {
                ...createResponse('请求成功', postItemResponseSchema, 200),
                ...createErrorResponse('参数错误', 400),
                500: { description: '服务器内部错误' },
            },
        }),
        async (c) => {
            try {
                const schema = getPostItemRequestSchema(isSlugUnique());
                const res = await c.req.json();
                const validated = schema.safeParse(res);
                if (!validated.success) {
                    return c.json(
                        createErrorResult('请求数据验证失败', validated.error.errors),
                        400,
                    );
                }
                const result = await createPostItem(validated.data);
                return c.json(result, 201);
            } catch (error) {
                return c.json(createErrorResult('服务器内部错误', error), 500);
            }
        },
    )
    .openapi(
        createRoute({
            tags: postTags,
            method: 'patch',
            path: '/:id',
            request: {
                params: z.object({ id: z.string() }),
                ...createBodyRequest(getPostItemRequestSchema(undefined)),
            },
            responses: {
                ...createResponse('请求成功', postItemResponseSchema, 200),
                ...createErrorResponse('提交失敗', 400),
                500: { description: '服务器内部错误' },
            },
        }),
        async (c) => {
            try {
                const { id } = c.req.valid('param');
                const schema = getPostItemRequestSchema(isSlugUnique(id));
                const validated = schema.safeParse(await c.req.json());
                if (!validated.success) {
                    return c.json(
                        createErrorResult('请求数据验证失败', validated.error.errors),
                        400,
                    );
                }
                const result = await db.post.update({
                    where: { id },
                    data: validated.data,
                });
                return c.json(result, 200);
            } catch (error) {
                return c.json(createErrorResult('服务器内部错误', error), 500);
            }
        },
    );