let steps = {
	faculty: {
		title: "Pro kterou fakultu budete svou práci tvořit?",
		layout: faculty_layout,
		result: {
			name: ""
		}
	},
	thesis_type: {
		title: "Jakou práci budete tvořit?",
		layout: thesis_layout,
		result: {
			type: ""
		}
	},
	language: {
		title: "V jakém jazyce budete práci tvořit?",
		layout: language_layout,
		result: {
			lang: "cs"
		}
	},
	thesis_title: {
		title: "Jak se bude práce jmenovat?",
		layout: thesis_title_layout,
		result: {
			cs: "",
			en: ""
		},
		finalize: (result) => {
			if(result.cs === "") {
				result.cs = "SEM DOPLŇTE ČESKÝ NÁZEV PRÁCE";
			}

			if(result.en === "") {
				result.en = "SEM DOPLŇTE ANGLICKÝ NÁZEV PRÁCE";
			}
		}
	},
	author_info: {
		title: "Vaše údaje",
		layout: author_info_layout,
		result: {
			name: "",
			pronouns: ""
		},
		finalize: (result) => {
			if(result.name === "") {
				result.name = "SEM DOPLŇTE VAŠE JMÉNO";
			}
		}
	},
	programme: {
		title: "Který program studujete?",
		layout: programme_layout,
		result: {
			faculty: "", // used for checking whether to clear
			idx: -1 // -1 = none, 0+ = index into programmes[faculty]
		},
		finalize: (result) => {
			if(result.idx == -1) {
				result.has_programme = false;
				return
			}

			let programme = programmes[steps.faculty.result.name][result.idx];

			result.has_programme = true;
			result.programme = programme.code + " " + (
				steps.language.result.lang == "cs" ?
				programme.cs_name :
				programme.en_name
			);
		}
	},
	collaborators: {
		title: "Vedoucí práce",
		layout: collaborators_layout,
		result: {
			has_supervisor: true,
			supervisor_name: "",
			has_consultant: false,
			consultant_name: ""
		},
		finalize: (result) => {
			if(result.supervisor_name === "") {
				result.supervisor_name = "SEM DOPLŇTE JMÉNO VEDOUCÍHO PRÁCE";
			}

			if(result.consultant_name === "") {
				result.consultant_name = "SEM DOPLŇTE JMÉNO KONZULTANTA PRÁCE";
			}
		}
	},
	assignment: {
		title: "Jak vložit zadání?",
		layout: assignment_layout,
		result: {
			format: "empty"
		},
		finalize: (result) => {
			result.include_pdf = result.format === "external";
		}
	}
}

const faculties = {
	"fs": {
		name: "Fakulta strojní"
	},
	"ft": {
		name: "Fakulta textilní"
	},
	"fp": {
		name: "Fakulta přirodovědně-humanitní a pedagogická"
	},
	"ef": {
		name: "Ekonomická fakulta"
	},
	"fua": {
		name: "Fakulta umění a architektury"
	},
	"fm": {
		name: "Fakulta mechatroniky, informatiky a mezioborových studií"
	},
	"fzs": {
		name: "Fakulta zdravotnických studií"
	},
	"cxi": {
		name: "Ústav pro nanomateriály, pokročilé technologie a inovace"
	}
}

const theses = {
	"bp": {
		name: "Bakalářská práce"
	},
	"dp": {
		name: "Diplomová práce"
	},
	"dis": {
		name: "Disertační práce"
	},
	"hab": {
		name: "Habilitační práce"
	},
	"teze": {
		name: "Teze disertační práce"
	},
	"autoref": {
		name: "Autoreferát disertační práce"
	},
	"proj": {
		name: "Projekt"
	},
	"sp": {
		name: "Semestrální práce"
	}
}

const languages = {
	"cs": {
		name: "Čeština"
	},
	"en": {
		name: "Angličtina"
	}
}

const pronouns_cs = {
	"masculine": {
		name: "Mužský rod"
	},
	"feminine": {
		name: "Ženský rod"
	},
	"we": {
		name: "Množné číslo"
	}
}

const pronouns_en = {
	"me": {
		name: "Jednotné čislo"
	},
	"we": {
		name: "Množné číslo"
	}
}

const assignment_formats = {
	"empty": {
		name: "Vložit do dokumentu prázdnou stránku.\nTuto stránku poté nahradíte podepsaným zadáním před vazbou dokumentu."
	},
	"external": {
		name: "Vložit do dokumentu zadání ve formě PDF."
	}
}

const typst_header = `#import "template/template.typ": *

#show: tultemplate2.with(
  faculty: "{faculty.name}",
  document: "{thesis_type.type}",
  lang: "{language.lang}",
  title: (cs: "{thesis_title.cs}", en: "{thesis_title.en}"),
  author: "{author_info.name}",
  author_pronouns: "{author_info.pronouns}",
<collaborators.has_supervisor:  supervisor: "{collaborators.supervisor_name}",
><collaborators.has_consultant:  consultant: "{collaborators.consultant_name}",
><programme.has_programme:  programme: "{programme.programme}",
><assignment.include_pdf:  assignment: "assignment.pdf",
>  citations: "citations.bib"
)

= Nadpis

skibidi
`;

function generate_template() {
	let out = typst_header;

	for(const step_key in steps) {
		console.log(step_key);

		let result = steps[step_key].result;

		if(steps[step_key].finalize) {
			steps[step_key].finalize(result);
		}

		for(const key in result) {
			console.log("- " + key);

			const search_condition = "<" + step_key + "." + key + ":";
			const condition_pos = out.search(search_condition);

			if(condition_pos >= 0) {
				const condition_end_pos = out.slice(condition_pos).search(">");

				if(condition_end_pos >= 0) {
					const head = out.slice(0, condition_pos);
					const meat = result[key] ? out.slice(condition_pos + search_condition.length, condition_pos + condition_end_pos) : "";
					const tail = out.slice(condition_pos + condition_end_pos + 1);

					out = head + meat + tail;
				}
			}

			const search_replacement = "{" + step_key + "." + key + "}";
			const replacement_pos = out.search(search_replacement);

			if(replacement_pos >= 0) {
				const head = out.slice(0, replacement_pos);
				const meat = result[key];
				const tail = out.slice(replacement_pos + search_replacement.length);

				out = head + meat + tail;
			}
		}
	}

	console.log(out);

	return out;
}

async function generate_zip() {
	let assets_zip = await fetch("template.zip");
	let out_zip = await new JSZip().loadAsync(await assets_zip.blob());

	out_zip.file("thesis.typ", generate_template());

	if(!steps.assignment.result.include_pdf) {
		out_zip.remove("assignment.pdf");
	}

	return await out_zip.generateAsync({ type: "blob" });
}