Daylight

## -----------------------------------------------
## Sunrise and Sunset in Torrevieja and Gothenburg
## Author: Leyla Nunez
## Date Created: 2022-01-30
## -----------------------------------------------

# loading needed packages
pacman::p_load(tidyverse, lubridate, suncalc, 
               ggplot2, cowplot, here, 
               showtext)  

showtext_auto()
font_add_google("Alfa Slab One")
font_add_google("Parisienne")
font_add_google("Roboto")

font1 <- "Alfa Slab One"
font2 <- "Parisienne"
font3 <- "Roboto"

got <- getSunlightTimes(date = seq.Date(as.Date("2021-01-01"), as.Date("2021-12-31"), by = 1),
                 keep = c("sunrise", "sunset"),
                 lat = 57.708870, lon = 11.974560, tz = "CET") %>% 
  mutate(city = "Gothenburg")

ali <- getSunlightTimes(date = seq.Date(as.Date("2021-01-01"), as.Date("2021-12-31"), by = 1),
                        keep = c("sunrise", "sunset"),
                        lat = 37.9847003, lon = -0.6808233, tz = "CET") %>% 
  mutate(city = "Torrevieja") 

data <- bind_rows(got, ali) %>% 
  gather(condition, measurement, sunrise:sunset) %>% 
  select(-c(lat, lon)) %>% 
  arrange(city, date, condition) %>% 
  mutate(x = as.Date(ymd(date)),
         measurement = ymd_hms(paste0("2022-01-01 ", 
                                      as.character(format(measurement, format = "%H:%M")),
                                      ":00"))
         ) %>% 
  mutate(paired = rep(1:(n()/2), each=2)) %>% 
  group_by(city, date) %>% 
  mutate(sun_hours = max(measurement) -min(measurement)) %>% 
  ungroup()

# keeping information about the country with most hours of daylight per day
sun_hours_max <-  data %>% 
  group_by(date) %>% 
  slice_max(sun_hours) %>% 
  mutate(min = min(measurement),
         max = max(measurement)) %>% 
  ungroup() %>% 
  select(x, min, max) %>% 
  unique()

data <- data %>% 
  left_join(sun_hours_max)


# plot
p <- data %>% 
  ggplot(aes(x= x, y= measurement, color = city)) +
  geom_ribbon(aes(ymin= min, ymax = max), fill= "#f2af83",
              alpha = 0.75
              )+
  geom_point(aes(group = city, color=city), size = 2) +

  
  theme_half_open(12) +
  theme(plot.margin = margin(8, 2.6, 3, 0.5, "cm"),
        legend.position='none',
        panel.grid.minor=element_blank(), 
        panel.grid.major.y=element_blank(), 
        panel.grid.major.x=element_line(color = "#c7c5b4",
                                        size = 0.5), 
        panel.border = element_blank(),
        axis.ticks = element_blank(),
        axis.line = element_blank(), 
        axis.title.y = element_blank(),
        axis.title.x = element_blank(),
        axis.text.x = element_text(size = 19,  color = "#25616a", 
                                   vjust = 1 ),
        axis.text.y = element_text(size = 19,  
                                   hjust = 0,
                                   color = "#25616a")
        ) +
  scale_x_date(date_labels = "%b", 
               date_breaks = "1 month")  + 
  scale_y_datetime(date_labels = "%H:%M",
                   date_breaks = "3 hour",
                   limits=as.POSIXct(c('2022-01-01 00:00:00','2022-01-02 00:02:00'))) +
  scale_color_manual(values = c("#e56255", "#25616a", "#e56255", "#25616a")) 


# Using ggdraw
ggdraw() +
  draw_image(file.path(here("background.jpeg")),
             scale =1) +
draw_plot(p) +
  draw_image(file.path(here("sunrise.png")),
             x = 0.435, y = -0.11, scale = .087) +
  draw_image(file.path(here("sunset.png")),
           x = 0.435, y = 0.074, scale = .087) +
  draw_text(text= "Torrevieja", 
            x=0.265, 
            y=0.95, 
            size=48, 
            family=font1, 
            hjust = 0.5,
            color="#e56255") + 
  draw_text(text= "Gothenburg", 
          x=0.75, 
          y=0.95, 
          size=48, 
          family=font1, 
          hjust = 0.5,
          color="#25616a") +
  draw_text(text= "Sunrise and Sunset", 
          x=0.5, 
          y=0.785, 
          size=60, 
          family=font2, 
          hjust = 0.5,
          color="#c7c5b4") +
  draw_text(text= "vs", 
          x=0.5, 
          y=0.95, 
          size=54, 
          family=font2, 
          hjust = 0.5,
          color="#c7c5b4") +
  draw_text(text= "Spain \n Lat: 37.9847003 \n Lon: -0.6808233", 
          x=0.3, 
          y=0.88, 
          size=16, 
          family=font3, 
          hjust = 0.5,
          color="#c7c5b4") +
  draw_text(text= "Sweden \n Lat: 57.708870 \n Lon: 11.974560", 
            x=0.75, 
            y=0.88, 
            size=16, 
            family=font3, 
            hjust = 0.5,
            color="#c7c5b4") +
  draw_text(text = "@leynu_ | Source: {suncalc} package in R", 
          x=0.95, 
          y=0.015, 
          family=font3, 
          color="#c7c5b4", 
          size=13, 
          fontface = "italic",
          hjust = 1) + 
  draw_line(
    x = c(0.302, 0.302),
    y = c(0.2, 0.653),
    color = "#25616a", 
    size = 1.25
  ) +
  draw_text(text= "March 19, \ntake a flight \nto Goteborg", 
          x=0.312, 
          y=0.231, 
          size=15, 
          family=font3, 
          hjust = 0,
          color="#25616a") +
  draw_line(
    x = c(0.665, 0.665),
    y = c(0.2, 0.65),
    color = "#e56255", 
    size = 1.25
  ) +
  draw_text(text= "September 25, \ntake a flight \nback to Torrevieja", 
            x=0.675, 
            y=0.231, 
            size=14.5, 
            family=font3, 
            hjust = 0,
            color="#e56255") +
  draw_text(text= "The area indicates \nthe city with \n most hours of \ndaylight per day", 
            x=0.5, 
            y=0.5, 
            size=15, 
            family=font3, 
            hjust = 0.5,
            color="#25616a") 

# Saving
ggsave("~/Desktop/daylight.png",
       width = 10,
       height = 12.5)