import modules from '../modules'

// 获取单个mutations的类型
type GetMutation<Module> = Module extends { mutations: infer V } ? V : unknown
// 获取全部的mutations类型
type GetMutations<Modules> = {
    [K in keyof Modules]: GetMutation<Modules[K]>
}
// 源数组
type TotalMutations = GetMutations<typeof modules>

//模块名+方法名
type CombineModuleAndMethod<M, N> = `${M & string}/${N & string}`
// key是模块名  value是模块名/方法名
type CombineModuleAndMethods<Modules> = {
    [K in keyof Modules]: CombineModuleAndMethod<K, keyof Modules[K]>
}[keyof Modules]

type GetFunc<T, A, B> = T[A & keyof T][B & keyof T[A & keyof T]]

type MutationsObj<T> = {
    [K in CombineModuleAndMethods<T>]: K extends `${infer A}/${infer B}` ? GetFunc<T, A, B> : unknown
}

type MutationsMap = MutationsObj<TotalMutations>

type Mutations = {
    [K in keyof MutationsMap]: MutationsMap[K]
}

export {
    Mutations
}