using AgriculturalPlatform.Api.Models;

namespace AgriculturalPlatform.Api.Data;

/// <summary>初始化数据（仅在空库时执行）</summary>
public static class DbSeeder
{
    public static void Seed(AppDbContext db)
    {
        if (db.Users.Any()) return;

        var now = DateTime.Now;

        // ---------- 组织 ----------
        var company = new Organization
        {
            Type = OrgType.Company,
            Name = "绿源农产品收购有限公司",
            ContactPerson = "王建国",
            Phone = "13800000001",
            Address = "河南省郑州市中牟县官渡大道66号",
            TaxNo = "91410100MA3X8K7Q2B",
            CreatedAt = now
        };
        var stationEast = new Organization
        {
            Type = OrgType.Station,
            Name = "城东收购站",
            ContactPerson = "李强",
            Phone = "13800000002",
            Address = "中牟县官渡镇城东村",
            CreatedAt = now
        };
        var stationWest = new Organization
        {
            Type = OrgType.Station,
            Name = "城西收购站",
            ContactPerson = "赵敏",
            Phone = "13800000003",
            Address = "中牟县韩寺镇城西村",
            CreatedAt = now
        };
        var individual = new Organization
        {
            Type = OrgType.Individual,
            Name = "张伟（个体收购）",
            ContactPerson = "张伟",
            Phone = "13800000004",
            Address = "中牟县刁家乡",
            TaxNo = "410122197501011234",
            CreatedAt = now
        };

        db.Organizations.AddRange(company, stationEast, stationWest, individual);
        db.SaveChanges();
        stationEast.ParentId = company.Id;
        stationWest.ParentId = company.Id;
        db.SaveChanges();

        // ---------- 角色（RBAC） ----------
        var roleAdmin = new SysRole { Name = "超级管理员", Code = "super_admin", Description = "系统内置：拥有全部权限", IsSystem = true, CreatedAt = now };
        var roleCompany = new SysRole { Name = "公司管理员", Code = "company_admin", Description = "管理本公司及下属收购站业务", IsSystem = true, CreatedAt = now };
        var roleStation = new SysRole { Name = "收购站员工", Code = "station_staff", Description = "负责过磅称重、收购单录入", IsSystem = true, CreatedAt = now };
        var roleIndividual = new SysRole { Name = "收购个体", Code = "individual", Description = "个体收购户", IsSystem = true, CreatedAt = now };
        db.SysRoles.AddRange(roleAdmin, roleCompany, roleStation, roleIndividual);
        db.SaveChanges();

        // ---------- 菜单/权限（RBAC 资源，Path 与前端路由一致） ----------
        var menus = new List<SysMenu>
        {
            // 首页
            new() { Name = "首页", Path = "/home", Component = "views/Home.vue", Icon = "HomeFilled", Type = "menu", Permission = "home:view", Sort = 1, CreatedAt = now },
            // 收购业务
            new() { Name = "收购业务", Path = "/weighing", Icon = "Van", Type = "directory", Sort = 2, CreatedAt = now },
            new() { Name = "过磅称重", Path = "/weighing", Component = "views/weighing/WeighingList.vue", Icon = "Odometer", Type = "menu", Permission = "weighing:list", Sort = 1, CreatedAt = now },
            new() { Name = "触摸屏过磅", Path = "/weighing/touch", Component = "views/weighing/WeighingTouch.vue", Icon = "Iphone", Type = "menu", Permission = "weighing:touch", Sort = 2, CreatedAt = now },
            new() { Name = "电子支付", Path = "/payments", Component = "views/payments/PaymentList.vue", Icon = "Wallet", Type = "menu", Permission = "payment:list", Sort = 3, CreatedAt = now },
            new() { Name = "反向开票", Path = "/invoices", Component = "views/invoices/InvoiceList.vue", Icon = "Tickets", Type = "menu", Permission = "invoice:list", Sort = 4, CreatedAt = now },
            // 基础资料
            new() { Name = "基础资料", Path = "/base", Icon = "FolderOpened", Type = "directory", Sort = 3, CreatedAt = now },
            new() { Name = "农户管理", Path = "/farmers", Component = "views/farmers/FarmerList.vue", Icon = "User", Type = "menu", Permission = "farmer:list", Sort = 1, CreatedAt = now },
            new() { Name = "品种管理", Path = "/products", Component = "views/products/ProductList.vue", Icon = "Goods", Type = "menu", Permission = "product:list", Sort = 2, CreatedAt = now },
            // 统计报表
            new() { Name = "统计报表", Path = "/reports", Icon = "DataAnalysis", Type = "directory", Sort = 4, CreatedAt = now },
            new() { Name = "收购报表", Path = "/reports/purchase", Component = "views/reports/ReportPurchase.vue", Icon = "TrendCharts", Type = "menu", Permission = "report:purchase", Sort = 1, CreatedAt = now },
            new() { Name = "付款报表", Path = "/reports/payment", Component = "views/reports/ReportPayment.vue", Icon = "Money", Type = "menu", Permission = "report:payment", Sort = 2, CreatedAt = now },
            new() { Name = "开票报表", Path = "/reports/invoice", Component = "views/reports/ReportInvoice.vue", Icon = "Document", Type = "menu", Permission = "report:invoice", Sort = 3, CreatedAt = now },
            // 系统管理
            new() { Name = "系统管理", Path = "/system", Icon = "Setting", Type = "directory", Sort = 5, CreatedAt = now },
            new() { Name = "组织管理", Path = "/orgs", Component = "views/orgs/OrgList.vue", Icon = "OfficeBuilding", Type = "menu", Permission = "system:org:list", Sort = 1, CreatedAt = now },
            new() { Name = "用户管理", Path = "/users", Component = "views/users/UserList.vue", Icon = "Avatar", Type = "menu", Permission = "system:user:list", Sort = 2, CreatedAt = now },
            new() { Name = "角色权限", Path = "/system/roles", Component = "views/system/RoleList.vue", Icon = "UserFilled", Type = "menu", Permission = "system:role:list", Sort = 3, CreatedAt = now },
            new() { Name = "菜单管理", Path = "/system/menus", Component = "views/system/MenuList.vue", Icon = "Menu", Type = "menu", Permission = "system:menu:list", Sort = 4, CreatedAt = now },
            new() { Name = "数据字典", Path = "/system/dicts", Component = "views/system/DictList.vue", Icon = "Notebook", Type = "menu", Permission = "system:dict:list", Sort = 5, CreatedAt = now },
            // 通知公告
            new() { Name = "通知公告", Path = "/notify", Icon = "Bell", Type = "directory", Sort = 6, CreatedAt = now },
            new() { Name = "公告管理", Path = "/notify/announcements", Component = "views/notify/AnnouncementList.vue", Icon = "Bell", Type = "menu", Permission = "announcement:list", Sort = 1, CreatedAt = now },
            // 关于
            new() { Name = "关于系统", Path = "/about", Component = "views/about/About.vue", Icon = "InfoFilled", Type = "menu", Permission = "about:view", Sort = 7, CreatedAt = now },
        };
        db.SysMenus.AddRange(menus);
        db.SaveChanges();

        // 目录菜单的父级关系（按路径匹配；目录路径与子菜单路径相同时以 Type 区分）
        SetChild(menus, "/weighing", "/weighing");
        SetChild(menus, "/weighing/touch", "/weighing");
        SetChild(menus, "/payments", "/weighing");
        SetChild(menus, "/invoices", "/weighing");
        SetChild(menus, "/farmers", "/base");
        SetChild(menus, "/products", "/base");
        SetChild(menus, "/reports/purchase", "/reports");
        SetChild(menus, "/reports/payment", "/reports");
        SetChild(menus, "/reports/invoice", "/reports");
        SetChild(menus, "/orgs", "/system");
        SetChild(menus, "/users", "/system");
        SetChild(menus, "/system/roles", "/system");
        SetChild(menus, "/system/menus", "/system");
        SetChild(menus, "/system/dicts", "/system");
        SetChild(menus, "/notify/announcements", "/notify");
        db.SaveChanges();

        // 给超级管理员分配全部菜单；收购站员工分配常用菜单
        var allMenuIds = menus.Select(m => m.Id).ToArray();
        db.SysRoleMenus.AddRange(allMenuIds.Select(mid => new SysRoleMenu { RoleId = roleAdmin.Id, MenuId = mid }));
        var stationMenuIds = menus.Where(m => m.Type == "menu" && m.Permission is "home:view" or "weighing:list" or "weighing:touch" or "farmer:list" or "about:view").Select(m => m.Id);
        db.SysRoleMenus.AddRange(stationMenuIds.Select(mid => new SysRoleMenu { RoleId = roleStation.Id, MenuId = mid }));

        // 公司管理员：除系统管理外的全部业务菜单
        var companyMenuIds = menus.Where(m => m.Type == "menu" && !m.Permission.StartsWith("system:")).Select(m => m.Id);
        db.SysRoleMenus.AddRange(companyMenuIds.Select(mid => new SysRoleMenu { RoleId = roleCompany.Id, MenuId = mid }));
        db.SaveChanges();

        // ---------- 用户（默认密码均为 123456） ----------
        var users = new List<User>
        {
            new() { Username = "admin", PasswordHash = BCrypt.Net.BCrypt.HashPassword("123456"), RealName = "系统管理员", Phone = "13800000000", Role = UserRole.SuperAdmin, RoleId = roleAdmin.Id, CreatedAt = now },
            new() { Username = "company", PasswordHash = BCrypt.Net.BCrypt.HashPassword("123456"), RealName = "王建国", Phone = "13800000001", Role = UserRole.CompanyAdmin, RoleId = roleCompany.Id, OrgId = company.Id, CreatedAt = now },
            new() { Username = "station1", PasswordHash = BCrypt.Net.BCrypt.HashPassword("123456"), RealName = "李强", Phone = "13800000002", Role = UserRole.StationStaff, RoleId = roleStation.Id, OrgId = stationEast.Id, CreatedAt = now },
            new() { Username = "station2", PasswordHash = BCrypt.Net.BCrypt.HashPassword("123456"), RealName = "赵敏", Phone = "13800000003", Role = UserRole.StationStaff, RoleId = roleStation.Id, OrgId = stationWest.Id, CreatedAt = now },
            new() { Username = "individual", PasswordHash = BCrypt.Net.BCrypt.HashPassword("123456"), RealName = "张伟", Phone = "13800000004", Role = UserRole.Individual, RoleId = roleIndividual.Id, OrgId = individual.Id, CreatedAt = now }
        };
        db.Users.AddRange(users);
        db.SaveChanges();

        // ---------- 品种 ----------
        var products = new List<Product>
        {
            new() { Name = "小麦", Category = "粮食", Unit = "公斤", Spec = "水分≤13%，容重≥750g/L", Price = 2.42m },
            new() { Name = "玉米", Category = "粮食", Unit = "公斤", Spec = "水分≤14%，杂质≤1%", Price = 2.18m },
            new() { Name = "水稻", Category = "粮食", Unit = "公斤", Spec = "出糙率≥77%", Price = 2.68m },
            new() { Name = "花生", Category = "油料", Unit = "公斤", Spec = "果仁饱满，出仁率≥70%", Price = 7.80m },
            new() { Name = "大蒜", Category = "蔬菜", Unit = "公斤", Spec = "5cm以上，干度达标", Price = 4.50m },
            new() { Name = "西红柿", Category = "蔬菜", Unit = "公斤", Spec = "一级果，单果150g以上", Price = 2.60m },
            new() { Name = "苹果", Category = "水果", Unit = "公斤", Spec = "红富士，直径75mm以上", Price = 5.20m },
            new() { Name = "棉花", Category = "经济作物", Unit = "公斤", Spec = "衣分≥38%", Price = 15.60m }
        };
        db.Products.AddRange(products);
        db.SaveChanges();

        // ---------- 农户 ----------
        var farmers = new List<Farmer>
        {
            new() { Name = "刘老汉", IdCard = "410122197003120011", Gender = "男", Phone = "13911110001", Village = "城东村一组", Address = "城东村一组12号", BankName = "中牟农商银行", BankAccount = "6228480012345678901", CreditScore = 92 },
            new() { Name = "陈秀英", IdCard = "410122196806250022", Gender = "女", Phone = "13911110002", Village = "城东村二组", Address = "城东村二组8号", BankName = "中牟农商银行", BankAccount = "6228480012345678902", CreditScore = 88 },
            new() { Name = "张铁柱", IdCard = "410122198204170033", Gender = "男", Phone = "13911110003", Village = "城西村一组", Address = "城西村一组21号", BankName = "农业银行", BankAccount = "6228480012345678903", CreditScore = 85 },
            new() { Name = "王翠花", IdCard = "410122197512080044", Gender = "女", Phone = "13911110004", Village = "城西村三组", Address = "城西村三组5号", BankName = "邮政储蓄银行", BankAccount = "6228480012345678904", CreditScore = 90 },
            new() { Name = "赵大勇", IdCard = "410122199003300055", Gender = "男", Phone = "13911110005", Village = "官渡镇贾庄村", Address = "贾庄村16号", BankName = "中牟农商银行", BankAccount = "6228480012345678905", CreditScore = 82 },
            new() { Name = "孙秀兰", IdCard = "410122196511150066", Gender = "女", Phone = "13911110006", Village = "韩寺镇马家村", Address = "马家村9号", BankName = "农业银行", BankAccount = "6228480012345678906", CreditScore = 78 },
            new() { Name = "李保田", IdCard = "410122197807210077", Gender = "男", Phone = "13911110007", Village = "刁家乡水沱寨村", Address = "水沱寨村3号", BankName = "邮政储蓄银行", BankAccount = "6228480012345678907", CreditScore = 86 },
            new() { Name = "周桂芳", IdCard = "410122198906060088", Gender = "女", Phone = "13911110008", Village = "官渡镇前于村", Address = "前于村28号", BankName = "中牟农商银行", BankAccount = "6228480012345678908", CreditScore = 91 }
        };
        db.Farmers.AddRange(farmers);
        db.SaveChanges();

        // ---------- 历史收购单（近30天，用于报表与大屏演示） ----------
        var rnd = new Random(20260812);
        var purchaserIds = new[] { company.Id, stationEast.Id, stationWest.Id, individual.Id };
        var productIds = products.Select(p => p.Id).ToArray();
        var farmerIds = farmers.Select(f => f.Id).ToArray();
        var userIds = users.Select(u => u.Id).ToArray();

        var orders = new List<PurchaseOrder>();
        for (int day = 29; day >= 0; day--)
        {
            int count = rnd.Next(3, 8);
            for (int i = 0; i < count; i++)
            {
                var createAt = now.Date.AddDays(-day).AddHours(rnd.Next(7, 18)).AddMinutes(rnd.Next(0, 59));
                var productId = productIds[rnd.Next(productIds.Length)];
                var gross = rnd.Next(5000, 32000);
                var tare = rnd.Next(3200, 9000);
                var net = gross - tare;
                if (net <= 0) continue;
                var price = products.First(p => p.Id == productId).Price + (decimal)rnd.Next(-10, 10) / 10m;

                orders.Add(new PurchaseOrder
                {
                    OrderNo = $"CG{createAt:yyyyMMdd}-{(day * 10 + i):D4}",
                    FarmerId = farmerIds[rnd.Next(farmerIds.Length)],
                    ProductId = productId,
                    PurchaserOrgId = purchaserIds[rnd.Next(purchaserIds.Length)],
                    Grade = new[] { "一等", "二等", "三等" }[rnd.Next(3)],
                    Unit = "公斤",
                    UnitPrice = price,
                    GrossWeight = gross,
                    TareWeight = tare,
                    NetWeight = net,
                    Amount = Math.Round(net * price, 2),
                    WeighCount = 2,
                    Status = PurchaseStatus.Completed,
                    OperatorId = userIds[rnd.Next(userIds.Length)],
                    WeighInAt = createAt,
                    WeighOutAt = createAt.AddMinutes(rnd.Next(15, 50)),
                    CreatedAt = createAt,
                    UpdatedAt = createAt
                });
            }
        }
        db.PurchaseOrders.AddRange(orders);
        db.SaveChanges();

        // ---------- 数据字典（收购等级 / 价格类型 / 票据格式 / 公告类型） ----------
        var dicts = new List<SysDict>
        {
            new() { Name = "收购等级", Code = "purchase_grade", Remark = "收购单磅次等级", IsSystem = true, Sort = 1, CreatedAt = now,
                Items =
                {
                    new() { Label = "一等", Value = "一等", IsDefault = true, Sort = 1 },
                    new() { Label = "二等", Value = "二等", Sort = 2 },
                    new() { Label = "三等", Value = "三等", Sort = 3 },
                    new() { Label = "级外", Value = "级外", Sort = 4 },
                }
            },
            new() { Name = "价格类型", Code = "price_type", Remark = "过磅计价方式", IsSystem = true, Sort = 2, CreatedAt = now,
                Items =
                {
                    new() { Label = "固定价格", Value = "Fixed", Ext = "按产品默认价", IsDefault = true, Sort = 1 },
                    new() { Label = "现场议价", Value = "Manual", Ext = "与农户协商价", Sort = 2 },
                    new() { Label = "价格区间", Value = "Range", Ext = "区间内浮动价", Sort = 3 },
                }
            },
            new() { Name = "票据格式", Code = "receipt_format", Remark = "小票/票据打印格式", IsSystem = true, Sort = 3, CreatedAt = now,
                Items =
                {
                    new() { Label = "58mm 热敏小票", Value = "thermal_58", Ext = "58mm", IsDefault = true, Sort = 1 },
                    new() { Label = "80mm 热敏小票", Value = "thermal_80", Ext = "80mm", Sort = 2 },
                    new() { Label = "三等分针式票据", Value = "dotmatrix_3part", Ext = "241mm×139.7mm/联", Sort = 3 },
                    new() { Label = "A5 激光打印", Value = "laser_a5", Ext = "A5", Sort = 4 },
                }
            },
            new() { Name = "公告类型", Code = "announcement_type", Remark = "通知公告类型", IsSystem = true, Sort = 4, CreatedAt = now,
                Items =
                {
                    new() { Label = "通知", Value = "notice", Sort = 1 },
                    new() { Label = "公告", Value = "announce", Sort = 2 },
                    new() { Label = "价格行情", Value = "price", Sort = 3 },
                    new() { Label = "政策法规", Value = "policy", Sort = 4 },
                }
            },
            new() { Name = "系统图标", Code = "system_logo", Remark = "主标题系统图标，可选大部分农产品图标", IsSystem = true, Sort = 5, CreatedAt = now,
                Items =
                {
                    new() { Label = "苹果", Value = "Apple", IsDefault = true, Sort = 1 },
                    new() { Label = "葡萄", Value = "Grape", Sort = 2 },
                    new() { Label = "西瓜", Value = "Watermelon", Sort = 3 },
                    new() { Label = "樱桃", Value = "Cherry", Sort = 4 },
                    new() { Label = "梨", Value = "Pear", Sort = 5 },
                    new() { Label = "桃", Value = "Peach", Sort = 6 },
                    new() { Label = "橙子", Value = "Orange", Sort = 7 },
                    new() { Label = "农作物", Value = "Food", Sort = 8 },
                    new() { Label = "时蔬", Value = "Dish", Sort = 9 },
                    new() { Label = "牛奶", Value = "Milk", Sort = 10 },
                    new() { Label = "冰淇淋", Value = "IceCream", Sort = 11 },
                    new() { Label = "生鲜礼盒", Value = "TakeawayBox", Sort = 12 },
                }
            },
        };
        db.SysDicts.AddRange(dicts);
        db.SaveChanges();

        // ---------- 通知公告（演示数据） ----------
        var announcements = new List<Announcement>
        {
            new() { Title = "欢迎使用农易富农产品收购交易平台", Content = "系统已完成升级，新增数据字典、角色权限、通知公告等功能。默认账号 admin / 123456。", Type = "announce", IsPinned = true, PublisherId = users[0].Id, PublishedAt = now, CreatedAt = now },
            new() { Title = "关于2026年夏季收购价格调整的通知", Content = "自8月15日起，一等品收购价调整为每公斤3.6元，请各收购站及时更新价格配置。", Type = "price", PublisherId = users[0].Id, PublishedAt = now.AddHours(-3), CreatedAt = now.AddHours(-3) },
            new() { Title = "电子秤串口连接使用说明", Content = "请在收购单新建界面点击电子秤区域连接串口，支持标准ASCII输出协议（如 ST,GS,+00123.45kg）。无串口设备时可使用手动输入模式。", Type = "notice", PublisherId = users[0].Id, PublishedAt = now.AddDays(-1), CreatedAt = now.AddDays(-1) },
        };
        db.Announcements.AddRange(announcements);
        db.SaveChanges();

        // ---------- 历史付款（对应部分订单） ----------
        var payOrders = orders.Where(o => o.Status == PurchaseStatus.Completed)
            .OrderBy(o => o.CreatedAt).Take(120).ToList();
        var methods = new[] { PayMethod.Wechat, PayMethod.Alipay, PayMethod.BankTransfer, PayMethod.Cash };
        var payments = payOrders.Select((o, idx) => new PaymentRecord
        {
            PayNo = $"ZF{o.CreatedAt:yyyyMMdd}-{idx + 1:D4}",
            PurchaseOrderId = o.Id,
            FarmerId = o.FarmerId,
            Amount = o.Amount,
            Method = methods[rnd.Next(methods.Length)],
            Status = PayStatus.Success,
            TradeNo = $"TRADE{rnd.Next(100000000, 999999999)}",
            OperatorId = o.OperatorId,
            PaidAt = o.WeighOutAt,
            CreatedAt = o.WeighOutAt!.Value,
            Notes = $"收购单 {o.OrderNo} 货款结算"
        }).ToList();
        db.PaymentRecords.AddRange(payments);
        db.SaveChanges();

        // ---------- 历史发票（对应部分订单，反向开票） ----------
        var invoiceOrders = orders.Where(o => o.Status == PurchaseStatus.Completed)
            .OrderByDescending(o => o.CreatedAt).Take(80).ToList();
        var invoices = invoiceOrders.Select((o, idx) => new Invoice
        {
            InvoiceNo = $"FP{o.CreatedAt:yyyyMMdd}-{idx + 1:D4}",
            InvoiceKind = "农产品收购发票",
            FarmerId = o.FarmerId,
            PurchaserOrgId = o.PurchaserOrgId,
            PurchaseOrderId = o.Id,
            ProductId = o.ProductId,
            Quantity = o.NetWeight,
            Unit = o.Unit,
            UnitPrice = o.UnitPrice,
            Amount = o.Amount,
            TaxRate = 0m,
            TaxAmount = 0m,
            IssueDate = o.WeighOutAt ?? o.CreatedAt,
            Status = InvoiceStatus.Issued,
            OperatorId = o.OperatorId,
            CreatedAt = o.WeighOutAt ?? o.CreatedAt
        }).ToList();
        db.Invoices.AddRange(invoices);
        db.SaveChanges();
    }

    private static void SetChild(List<SysMenu> menus, string childPath, string parentPath)
    {
        var parent = menus.FirstOrDefault(m => m.Type == "directory" && m.Path == parentPath);
        if (parent is null) return;
        foreach (var child in menus.Where(m => m.Type != "directory" && m.Path == childPath && m.ParentId == null))
            child.ParentId = parent.Id;
    }
}