import tables
import moustachu

type Param*[T] = object
    value*: T

type Params* = Table[string, Param]

type CustomTemplate* = ref object
    path*: string
    params*: Params

proc generateContextFromParams(params: Params): Context =
    var c: Context = newContext()
    for key, val in params:
        c[key] = val
    return c

proc generateTemplate*(this: CustomTemplate): string =
    var oTemplate: string = open(this.path).readAll.string
    var c: Context = generateContextFromParams(this.params)
    return render(oTemplate, c)

# Error message:
# type mismatch: got <template.Params>
# but expected one of:
# proc generateContextFromParams(params: Params): Context
# first type mismatch at position: 1
# required type for params: Params
# but expression 'this.params' is of type: Params

# expression: generateContextFromParams(this.params)