-- The editor's milestone 6 (FORGE.md):  a picker narrowed by typing, a file field offering the
-- game's files, walk areas and hotspot outlines drawn corner by corner, the dialogue outline, and
-- building with the current room first.  Driven by keys and canvas presses, as the others are.
FORGE_LIBRARY = true
dofile("Forge/Forge.singe")

local font = fontLoad("Singe/FreeSansBold.ttf", 15)
local out  = singeGetDataPath()
local work = out .. "adv.game"

fontSelect(font)
fontQuality(FONT_QUALITY_BLENDED)
overlaySetResolution(720, 480)

local source = assert(io.open("testScripts/author/adventure2d.game", "r"))
local copy   = assert(io.open(work, "w"))

copy:write(source:read("a"))
source:close()
copy:close()

if not forgeBegin(work) then
	debugPrint("EDIT FAIL could not open " .. work)
	singeQuit()
end

local frames = 0
local stage  = 0


local function key(code, character)
	forgeKey(character or 0, code.value)
end


local function typeIn(text)
	for c in string.gmatch(text, ".") do
		key(SCANCODE.A, string.byte(c))
	end
end


local function step()
	if stage == 1 then
		-- A rule's condition picked by typing part of its name.
		key(SCANCODE.TAB)
		key(SCANCODE.TAB)
		key(SCANCODE.N)
		key(SCANCODE.C)
		typeIn("keyH")
		local shown = forgePickItems()

		key(SCANCODE.RETURN)
		local rule = FORGE.game.rules[#FORGE.game.rules]

		if #shown == 1 and rule.when[1][1] == "keyHeld" then
			debugPrint("EDIT typing keyH left one condition and ENTER took it:  " .. rule.when[1][1])
		else
			debugPrint("EDIT FAIL the narrowed picker showed " .. #shown .. " and took " .. tostring(rule.when[1] and rule.when[1][1]))
		end

	elseif stage == 2 then
		-- A file field offers the files under the game's directory.
		key(SCANCODE.TAB)                        -- tracks
		key(SCANCODE.TAB)                        -- dialogues
		key(SCANCODE.TAB)                        -- entities
		key(SCANCODE.TAB)                        -- kinds
		FORGE.kindName = "hero"
		forgeKindSet(FORGE.game.kinds.hero, "look", "sprite")
		FORGE.lastField = "look.anchor"
		key(SCANCODE.RETURN)                     -- look.file:  the picker
		if FORGE.picker == nil then
			debugPrint("EDIT FAIL a file field did not open the picker")
		end
		typeIn("testScripts/strip")
		key(SCANCODE.RETURN)
		debugPrint("EDIT the hero's sprite file is now " .. tostring(FORGE.game.kinds.hero.look.file))
		if FORGE.game.kinds.hero.look.file ~= "testScripts/strip.png" then
			debugPrint("EDIT FAIL the file picker did not set the file")
		end
		forgeKindSet(FORGE.game.kinds.hero, "look", "box")

	elseif stage == 3 then
		-- A walk area drawn corner by corner, then a hotspot's outline.
		key(SCANCODE.TAB)                        -- rules
		key(SCANCODE.TAB)                        -- tracks
		key(SCANCODE.TAB)                        -- dialogues
		key(SCANCODE.TAB)                        -- entities
		forgeSelect(nil)
		local walks = #(forgeRoom().walk or {})

		key(SCANCODE.V)
		forgePress(300, 320)
		forgePress(500, 320)
		forgePress(400, 400)
		key(SCANCODE.V)
		if #forgeRoom().walk == walks + 1 and #forgeRoom().walk[walks + 1] == 6 then
			debugPrint("EDIT a walk area of three corners was drawn")
		else
			debugPrint("EDIT FAIL the room has " .. #(forgeRoom().walk or {}) .. " walk areas")
		end
		for index, entry in ipairs(forgeRoom().entities) do
			if entry.id == "door" then
				forgeSelect(index)
			end
		end
		key(SCANCODE.V)
		forgePress(570, 180)
		forgePress(630, 180)
		forgePress(630, 300)
		forgePress(570, 300)
		key(SCANCODE.RETURN)
		local spot = FORGE.game.kinds.door.behaviours[1]

		if spot.polygon and #spot.polygon == 8 then
			debugPrint("EDIT the door's outline has four corners")
		else
			debugPrint("EDIT FAIL the door's outline is " .. tostring(spot.polygon and #spot.polygon))
		end

	elseif stage == 4 then
		-- The dialogue outline:  a node added and named, a choice added, an action picked for it.
		key(SCANCODE.TAB)                        -- kinds
		key(SCANCODE.TAB)                        -- rules
		key(SCANCODE.TAB)                        -- tracks
		key(SCANCODE.TAB)                        -- dialogues
		debugPrint("EDIT the outline starts on dialogue '" .. tostring(FORGE.dialogue) .. "' with " .. #forgeDialogueRows() .. " rows")
		key(SCANCODE.A)                          -- a node in the guard's dialogue
		key(SCANCODE.RETURN)                     -- its name
		typeIn("bye")
		key(SCANCODE.RETURN)                     -- who
		key(SCANCODE.ESCAPE)
		key(SCANCODE.A)                          -- a choice in it
		key(SCANCODE.T)
		typeIn("addSc")
		key(SCANCODE.RETURN)
		local node = FORGE.game.dialogues.guard.nodes.bye

		if node and node.choices[1] and node.choices[1].act[1][1] == "addScore" then
			debugPrint("EDIT a node 'bye' with a choice that adds to the score went into the guard's dialogue")
		else
			debugPrint("EDIT FAIL the node is " .. tostring(node) .. ";  rows " .. #forgeDialogueRows())
		end

	elseif stage == 5 then
		-- Saved, and built with the second room first.
		key(SCANCODE.S)
		local built = forgeBuild(out .. "adv.singe", 2)
		local text  = assert(io.open(built, "r")):read("a")
		local yard  = text:find('name = "yard"', 1, true)
		local hall  = text:find('name = "hall"', 1, true)

		debugPrint("EDIT built from the yard:  yard before hall " .. tostring(yard ~= nil and hall ~= nil and yard < hall) .. ";  the dialogue carries bye:  " .. tostring(text:find('"bye"', 1, true) ~= nil))
		if not (yard and hall and yard < hall) then
			debugPrint("EDIT FAIL the built game does not start in the yard")
		end
		debugPrint("EDIT RESULT done")
	end
end


function onOverlayUpdate()
	frames = frames + 1
	if frames % 14 == 0 and stage < 6 then
		stage = stage + 1
		step()
	end
	forgeDraw(nil, nil)
	colorForeground(255, 255, 255, 255)
	fontPrint(210, 8, "editor, stage " .. stage)
	if frames == 30 or frames == 58 or frames == 72 then
		singeScreenshot()
	end
	if frames > 100 then
		singeQuit()
	end

	return OVERLAY_UPDATED
end