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path: root/backend/src/API/WeaponsAPI.zig
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const std = @import("std");
const httpz = @import("httpz");
const model = @import("../Models/RangedWeapon.zig");
const db = @import("../Database/Connection.zig");
const errDesc = @import("ErrorDescription.zig");

pub fn RegisterEndpoints(router: *httpz.Router(void, *const fn (*httpz.request.Request, *httpz.response.Response) anyerror!void)) void {
    router.get("/weapons", testEndpoint, .{});
    router.get("/weapons/ranged", getAllRangedWeapons, .{});
    router.post("/weapons/ranged", newRangedWeapon, .{});
    router.get("/weapons/ranged/:id", getRangedWeaponById, .{});
    router.put("/weapons/ranged/:id", updateRangedWeapon, .{});
    router.delete("/weapons/ranged/:id", deleteRangedWeapon, .{});
}

fn testEndpoint(_: *httpz.Request, res: *httpz.Response) !void {
    const testType: model.RangedWeaponType = .{
        .Id = "any",
        .Name = "BudgetArms C-13",
        .WeaponType = "P",
        .Accuracy = -1,
        .Concealability = "P",
        .Avaliability = "E",
        .Damage = "1D6",
        .Ammunition = "5mm",
        .NumberOfShots = 8,
        .RateOfFire = 2,
        .Reliability = "ST",
        .CreatedAt = 0,
        .UpdatedAt = 0,
    };

    res.status = 200;
    try res.json(testType, .{});
}

fn getAllRangedWeapons(req: *httpz.Request, res: *httpz.Response) !void {
    var found = try db.RangedWeapons.GetAll(req.arena);
    defer found.deinit(req.arena);

    try res.json(found.items, .{});
}

fn getRangedWeaponById(req: *httpz.Request, res: *httpz.Response) !void {
    const id = req.param("id") orelse {
        res.status = 400;
        return;
    };

    const found = db.RangedWeapons.GetByDisplayName(req.arena, id) catch |err| {
        // Empty result handling
        if (err == db.ResultErrors.NotFound) {
            res.status = 204;
            return;
        }
        return err;
    };

    try res.json(found, .{});
}

fn newRangedWeapon(req: *httpz.Request, res: *httpz.Response) !void {
    var body = try req.json(model.RangedWeaponType) orelse {
        res.status = 400;
        return;
    };

    db.RangedWeapons.Create(&body) catch |err| {
        if (err == db.ResultErrors.AlreadyExists) {
            res.status = 400;
            try res.json(errDesc.ErrorDescriptor { 
                .Message = "A weapon with that ID already exists"
            }, .{});
            return;
        }
        return err;
    }; 

    res.status = 201;
}


fn updateRangedWeapon(req: *httpz.Request, res: *httpz.Response) !void {
    const id = req.param("id") orelse {
        res.status = 400;
        return;
    };

    var body = try req.json(model.RangedWeaponType) orelse {
        res.status = 400;
        return;
    };

    try db.RangedWeapons.Update(id, &body);
}

fn deleteRangedWeapon(req: *httpz.Request, res: *httpz.Response) !void {
    const id = req.param("id") orelse {
        res.status = 400;
        return;
    };

    try db.RangedWeapons.Delete(id);
}