#=

This file defines the default config parameters and provides a simple
way of crating a template config file.

=#

defaultconfig = """
\"\"\"Custom functions to run in certain circumstances.
Read the documentation to know which hooks are available.\"\"\"
Scjrm.sethooks!(Dict{Symbol,Function}())
"""

# TODO: you can use merge to have customization + defaults

eval(defaultconfig)

"""
    Writes the config to the file `name`
"""
function writeconfig(name::String)
    open(name, "w") do f
        write(f, defaultconfig)
    end
end

"""
Set the `hooks`. If you want to remove all the hooks and then set
the new one, you should call `empty!(Scjrm.hooks)` before.
"""
function sethooks!(h::Dict)
    merge!(hooks, h)
end

"""
    Add an `hook` to `hooks`.
"""
addhook!(s::Symbol, f::Function) = hooks[:pre_receive] = f

"""
    Remove `hook` from `hooks`
"""
function rmhook!(s::Symbol)
    # `hooks` is a `const`ant. So we:
    # copy `hooks`
    tmphooks = deepcopy(hooks)
    # Remove `s` from the copy
    pop!(tmphooks, s)
    # Clear `hooks`
    empty!(hooks)
    # Merge the copy to the empty `hooks`
    merge!(hooks, tmphooks)
end

function setlibraries!(l::Dict)
    empty!(libraries)
    merge!(libraries,l)
end

"""Change the current library.

If `existing` is false, don't verify the new library exists.
Returns the new library"""
function currentlibrary!(l::String; existing = true)
    global currentlibrary, libraries

    if l in keys(libraries)
        currentlibrary = l
    end

    currentlibrary
end