from .project import *
from .database import ChangeSet, get_current_operation, set_restore_operation
from .sections import section_name
from .batch_cmds import execute_batch_commands
from .s1_title import inp_in_title
from .s2_junctions import inp_in_junction
from .s3_reservoirs import inp_in_reservoir
from .s4_tanks import inp_in_tank
from .s5_pipes import inp_in_pipe
from .s6_pumps import inp_in_pump
from .s7_valves import inp_in_valve
from .s8_tags import inp_in_tag
from .s9_demands import inp_in_demand
from .s10_status import inp_in_status
from .s11_patterns import inp_in_pattern
from .s12_curves import inp_in_curve
from .s13_controls import inp_in_control
from .s14_rules import inp_in_rule
from .s15_energy import inp_in_energy
from .s16_emitters import inp_in_emitter
from .s17_quality import inp_in_quality
from .s18_sources import inp_in_source
from .s19_reactions import inp_in_reaction
from .s20_mixing import inp_in_mixing
from .s21_times import inp_in_time
from .s22_report import inp_in_report
from .s23_options import inp_in_option
from .s24_coordinates import inp_in_coord
from .s25_vertices import inp_in_vertex
from .s26_labels import inp_in_label
from .s27_backdrop import inp_in_backdrop
#from .s28_end import *


def _parse_inp(inp: str) -> dict[str, list[str]]:
    file: dict[str, list[str]] = {}
    for s in section_name:
        file[s] = []

    section = ''

    for line in open(inp):
        line = line.strip()
        if line == '':
            # skip empty line for control and rule
            if section == 'CONTROLS' or section == 'RULES':
                pass
            else:
                section = ''
            continue

        if line.startswith('['):
            is_section = False
            for s in section_name:
                if line.startswith(f'[{s}'):
                    section = s
                    is_section = True
                    break
            if is_section:
                continue

        if section != '':
            file[section].append(line)

    return file


def _parse_cs(cs: ChangeSet) -> dict[str, list[str]]:
    file: dict[str, list[str]] = {}
    for s in section_name:
        file[s] = []

    section = ''

    for line in str(cs.operations[0]['inp']).split('\n'):
        line = line.strip()
        if line == '':
             # skip empty line for control and rule
            if section == 'CONTROLS' or section == 'RULES':
                pass
            else:
                section = ''
            continue

        if line.startswith('['):
            is_section = False
            for s in section_name:
                if line.startswith(f'[{s}'):
                    section = s
                    is_section = True
                    break
            if is_section:
                continue

        if section != '':
            file[section].append(line)

    return file


def _read_inp(file: dict[str, list[str]]) -> ChangeSet:
    file_cs: dict[str, ChangeSet] = {}
    for s in section_name:
        file_cs[s] = ChangeSet()

    for name, section in file.items():
        if name == 'TITLE':
            file_cs[name].merge(inp_in_title(section))

        elif name == 'JUNCTIONS': # + coords
            file_cs[name].merge(inp_in_junction(section))

        elif name == 'RESERVOIRS': # + coords
            file_cs[name].merge(inp_in_reservoir(section))

        elif name == 'TANKS': # + coords
            file_cs[name].merge(inp_in_tank(section))

        elif name == 'PIPES':
            file_cs[name].merge(inp_in_pipe(section))

        elif name == 'PUMPS':
            file_cs[name].merge(inp_in_pump(section))

        elif name == 'VALVES':
            file_cs[name].merge(inp_in_valve(section))

        elif name == 'TAGS':
            file_cs[name].merge(inp_in_tag(section))

        elif name == 'DEMANDS':
            file_cs[name].merge(inp_in_demand(section))

        elif name == 'STATUS':
            file_cs[name].merge(inp_in_status(section))

        elif name == 'PATTERNS':
            file_cs[name].merge(inp_in_pattern(section))

        elif name == 'CURVES':
            file_cs[name].merge(inp_in_curve(section))

        elif name == 'CONTROLS':
            file_cs[name].merge(inp_in_control(section))

        elif name == 'RULES':
            file_cs[name].merge(inp_in_rule(section))

        elif name == 'ENERGY':
            file_cs[name].merge(inp_in_energy(section))

        elif name == 'EMITTERS':
            file_cs[name].merge(inp_in_emitter(section))

        elif name == 'QUALITY':
            file_cs[name].merge(inp_in_quality(section))

        elif name == 'SOURCES':
            file_cs[name].merge(inp_in_source(section))

        elif name == 'REACTIONS':
            file_cs[name].merge(inp_in_reaction(section))

        elif name == 'MIXING':
            file_cs[name].merge(inp_in_mixing(section))

        elif name == 'TIMES':
            file_cs[name].merge(inp_in_time(section))

        elif name == 'REPORT':
            file_cs[name].merge(inp_in_report(section))

        elif name == 'OPTIONS':
            file_cs[name].merge(inp_in_option(section))

        elif name == 'COORDINATES':
            coords = inp_in_coord(section)
            for s in ['JUNCTIONS', 'RESERVOIRS', 'TANKS']:
                for node in file_cs[s].operations:
                    if node['type'] == 'demand':
                        continue
                    if node['id'] in coords:
                        coord = coords[node['id']]
                        node |= { 'x' : coord['x'], 'y' : coord['y'] }
                    else:
                        print(f"WARNING: [{s}] {node['id']} has no coordinate, set it at origin!")
                        node |= { 'x' : 0.0, 'y' : 0.0 }

        elif name == 'VERTICES':
            file_cs[name].merge(inp_in_vertex(section))

        elif name == 'LABELS':
            file_cs[name].merge(inp_in_label(section))

        elif name == 'BACKDROP':
            file_cs[name].merge(inp_in_backdrop(section))

        elif name == 'END':
            pass # :)

    # release file
    file = {}

    cs = ChangeSet()
    priorities = [
        'PATTERNS',
        'CURVES',
        'JUNCTIONS',
        'RESERVOIRS',
        'TANKS',
        'COORDINATES',
        'PIPES',
        'PUMPS',
        'VALVES',
        'DEMANDS',
        'STATUS',
        'OPTIONS',
        'TIMES',
        'EMITTERS',
        'QUALITY',
        'SOURCES',
        'REACTIONS',
        'MIXING',
        'ENERGY',
        'REPORT',
        'VERTICES',
        'CONTROLS',
        'RULES',
        'TITLE',
        'TAGS',
        'LABELS',
        'BACKDROP',
        'END',
        ]
    for s in priorities:
        cs.merge(file_cs[s])

    return cs


def read_inp(project: str, inp: str):
    if is_project_open(project):
       close_project(project)

    if have_project(project):
       delete_project(project)

    create_project(project)
    open_project(project)

    file = _parse_inp(inp)
    cs = _read_inp(file)

    execute_batch_commands(project, cs)
    op = get_current_operation(project)
    set_restore_operation(project, op)

    close_project(project)


def import_inp(project: str, cs: ChangeSet) -> ChangeSet:
    if is_project_open(project):
       close_project(project)

    if have_project(project):
       delete_project(project)

    create_project(project)
    open_project(project)

    file = _parse_cs(cs)
    new_cs = _read_inp(file)

    success_cs = execute_batch_commands(project, new_cs)
    op = get_current_operation(project)
    set_restore_operation(project, op)

    close_project(project)

    # return ?
    return success_cs